Updated on 2026/04/14

写真a

 
CHEN CHUN-YI
 
Organization
Institute of Integrated Research Materials and Structures Laboratory Associate Professor
Title
Associate Professor
External link

News & Topics

Research Interests

  • 3D printing

  • Li ion Battery

  • 光触媒

  • ナノ構造の設計

  • Composite Materials

  • Anodization

  • Electroless plating

  • Electroplating

  • Hydrothermal method

  • electrochemistry

Research Areas

  • Nanotechnology/Materials / Structural materials and functional materials  / 材料化学

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electric and electronic materials  / 電気化学

  • Nanotechnology/Materials / Nanomaterials  / ナノ材料の合成および評価

Education

  • Tokyo Institute of Technology   Interdisciplinary Graduate School of Science and Engineering   Department of Electronic Chemistry

    2009.10 - 2012.9

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  • National Tsing Hua University   Graduate School of Chemical Engineering

    2005.9 - 2007.6

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    Country： Taiwan, Province of China

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  • National Tsing Hua University   College of Engineering   Chemical Engineering

    2001.9 - 2005.6

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    Country： Taiwan, Province of China

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Research History

  • Tokyo Institute of Technology   Institute of Innovative Research   Associate Professor

    2024.4

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  • Tokyo Institute of Technology   Institute of Innovative Research

    2023.3 - 2024.3

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  • Tokyo Institute of Technology   Institute of Innovative Research   Specially Appointed Assistant Professor

    2015.4

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    Country：Japan

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  • Waseda University

    2012.12 - 2015.3

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    Country：Japan

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  • Waseda University

    2012.10 - 2012.11

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    Country：Japan

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  • RIKEN

    2009.10 - 2012.9

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    Country：Japan

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  • Industrial Technology Research Institute   Materials and Chemical Engineering Research Division   Associate Researcher

    2007.7 - 2009.9

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    Country：Taiwan, Province of China

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Professional Memberships

  • The Minerals, Metals & Materials Society (TMS)

    2023.6

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  • 応用物理学会・集積化MEMS技術研究会

    2015.4

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  • International Society of Electrochemistry (ISE)

    2014.4

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  • The Electrochemical Society (ECS)

    2013.5

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  • Materials Research Society (MRS)

    2010.1 - 2010.12

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Papers

  • Dual-plasmonic Au@Cu7S4 yolk@shell nanocrystals for photocatalytic hydrogen production across visible to near infrared spectral region

    Chun-Wen Tsao, Sudhakar Narra, Jui-Cheng Kao, Yu-Chang Lin, Chun-Yi Chen, Yu-Cheng Chin, Ze-Jiung Huang, Wei-Hong Huang, Chih-Chia Huang, Chih-Wei Luo, Jyh-Pin Chou, Shigenobu Ogata, Masato Sone, Michael H. Huang, Tso-Fu Mark Chang, Yu-Chieh Lo, Yan-Gu Lin, Eric Wei-Guang Diau, Yung-Jung Hsu

    Nature Communications   15 ( 1 )   2024.1

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    Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

    Abstract

    Near infrared energy remains untapped toward the maneuvering of entire solar spectrum harvesting for fulfilling the nuts and bolts of solar hydrogen production. We report the use of Au@Cu7S4 yolk@shell nanocrystals as dual-plasmonic photocatalysts to achieve remarkable hydrogen production under visible and near infrared illumination. Ultrafast spectroscopic data reveal the prevalence of long-lived charge separation states for Au@Cu7S4 under both visible and near infrared excitation. Combined with the advantageous features of yolk@shell nanostructures, Au@Cu7S4 achieves a peak quantum yield of 9.4% at 500 nm and a record-breaking quantum yield of 7.3% at 2200 nm for hydrogen production in the absence of additional co-catalysts. The design of a sustainable visible- and near infrared-responsive photocatalytic system is expected to inspire further widespread applications in solar fuel generation. In this work, the feasibility of exploiting the localized surface plasmon resonance property of self-doped, nonstoichiometric semiconductor nanocrystals for the realization of wide-spectrum-driven photocatalysis is highlighted.

    DOI： 10.1038/s41467-023-44664-3

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    Other Link： https://www.nature.com/articles/s41467-023-44664-3

  • Metal@Semiconductor Core@Shell and Yolk@Shell Nanostructures for Photocatalytic Hydrogen Production

    Hsuan‐Hung Kuo, Jung‐Hoe Her, Chun‐Yi Chen, Tso‐Fu Mark Chang, Masato Sone, Yung‐Jung Hsu

    Small Structures   2026.3

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    Publishing type：Research paper (scientific journal)  

    DOI： 10.1002/sstr.202500632

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  • Effect of Calcination Temperature on Photocatalytic and Fenton-like Dye Degradation over Spinel CoCr 2 O 4 Nanomaterials

    Yu-Hao Chen, Xinyu Jin, Shota Kitaoka, Chun-Yi Chen, Tomoyuki Kurioka, Masato Sone, Yung-Jung Hsu, Satoshi Okamoto, Tso-Fu Mark Chang

    ACS Applied Nano Materials   2026.2

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    Publishing type：Research paper (scientific journal)   Publisher：American Chemical Society (ACS)  

    DOI： 10.1021/acsanm.5c05687

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  • Single-axis gold micro-electro-mechanical-systems capacitive accelerometer with circular proof-mass for suppressing warpage

    Masako Okumura, Tomoyuki Kurioka, Torauto Yamada, Tatsuhiko Mori, Katsuyuki Machida, Chun-Yi Chen, Tso-Fu Mark Chang, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Japanese Journal of Applied Physics   2026.2

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    Publishing type：Research paper (scientific journal)   Publisher：IOP Publishing  

    Abstract

    This paper describes the structural stability and device characteristics of a single-axis gold proof-mass MEMS (micro-electro-mechanical-systems) capacitive accelerometer fabricated using Ti/Au multilayer metal technology. We propose a circular proof-mass structure to suppress warping deformation of the proof-mass caused by the mismatch in thermal expansion coefficients between Ti and Au. The measured warpage of the fabricated device is less than 1% related to the proof-mass radius. The MEMS capacitive accelerometer shows a valid capacitance-voltage (C-V) response characteristic due to warpage suppression. The experimental measurements determine its sensitivity and Brownian noise at 2.3 pF g−1 and 0.17 μg Hz−1/2, respectively. These values satisfy the specification for the detection of μg-level acceleration. It is confirmed that the use of the circular proof-mass structure for the MEMS capacitive accelerometers realizes its structural stability with high sensitivity.

    DOI： 10.35848/1347-4065/ae4687

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    Other Link： https://iopscience.iop.org/article/10.35848/1347-4065/ae4687/pdf

  • Metal-organic framework-derived carbons coupled CdSe quantum dots for solar H2 production beyond visible region

    Chien-Yi Wang, Yu-Chen Wei, Yu-Chang Lin, Sudhakar Narra, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone, Ying-Chih Pu, Eric Wei-Guang Diau, Yan-Gu Lin, Cheng-Yu Wang, Yung-Jung Hsu

    Applied Catalysis B: Environment and Energy   126552 - 126552   2026.2

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    Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.apcatb.2026.126552

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  • Effect of Supercritical Carbon Dioxide Emulsification on Nickel Electroplating in Sulfamate Baths at Various CO 2 Volume Fractions

    Wending Hou, Chun-Yi Chen, Tomoyuki Kurioka, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Tso-Fu Mark Chang, Masato Sone

    Journal of The Electrochemical Society   173 ( 3 )   032501 - 032501   2026.1

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    Publishing type：Research paper (scientific journal)   Publisher：The Electrochemical Society  

    This study examines nickel electroplating in supercritical carbon dioxide (scCO 2 )-emulsified nickel sulfamate baths, focusing on the effects of CO 2 volume fractions (10–80 vol.%) at a current density of 0.12 A cm −2 . The inclusion of scCO 2 significantly enhanced film quality, even at high CO 2 concentrations. However, Faradaic efficiency (FE) decreased from 95% to 75% as CO 2 volume fractions increased, attributed to intensified hydrogen evolution reactions (HER) caused by more negative deposition potentials and the insulating scCO 2 dispersed phase. Electrochemical analysis revealed pronounced potential fluctuations at higher CO 2 fractions due to intermittent electrode contact with the dispersed phase, which amplified HER and reduced the effective plating area. The conductivity of the scCO 2 -emulsified bath followed the Maxwell–Garnett model, indicating isolated scCO 2 dispersed phases in a conductive medium. Despite reductions in FE and Vickers hardness (from 750 to 580 Hv), the films maintained smooth surfaces and fine grain sizes (∼10 nm). These results demonstrate the potential of scCO 2 emulsification to produce high-quality nickel coatings and provide a framework for advancing electroplating in complex multiphase electrolytes.

    DOI： 10.1149/1945-7111/ae3b15

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    Other Link： https://iopscience.iop.org/article/10.1149/1945-7111/ae3b15/pdf

  • Review of Hot-Hole Photocatalysis in Plasmonic Nanostructures

    Yu-Ting Wang, Ming-Yu Kuo, Yu-An Chien, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone, Yung-Jung Hsu

    ACS Applied Nano Materials   2026.1

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    Publishing type：Research paper (scientific journal)   Publisher：American Chemical Society (ACS)  

    DOI： 10.1021/acsanm.5c05716

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  • Phase change of core-shell CuO@Cu7S4 cubic photocatalysts with enhanced and stable H2 production activity

    Chi-Jung Chang, Tso-Fu Mark Chang, Ting-Hao Yang, Wei-Kai Su, Chun-Yi Chen, Masato Sone, Kuen-Song Lin

    Journal of the Taiwan Institute of Chemical Engineers   176   106297 - 106297   2025.11

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    Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.jtice.2025.106297

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  • Evaluation of annealing effects on the deformation of Ti/Au multi-layered micro-cantilevers

    Ryosuke Miyai, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Micro and Nano Engineering   100333 - 100333   2025.11

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    Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.mne.2025.100333

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  • Piezoelectricity Induced by Na-Doping in NiFe 2 O 4 Nanoparticles for Piezocatalytic Dye Degradation

    Xinyu Jin, Yu-Hao Chen, Chun-Yi Chen, Tomoyuki Kurioka, Andrew Harold Gibbons, Masato Sone, Yung-Jung Hsu, Satoshi Okamoto, Tso-Fu Mark Chang

    ACS Applied Nano Materials   8 ( 43 )   20952 - 20960   2025.10

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    Publishing type：Research paper (scientific journal)   Publisher：American Chemical Society (ACS)  

    DOI： 10.1021/acsanm.5c03774

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  • Evaluation of the Annealing Induced Warpage of an Electrodeposited-Au Octagonal Proof Mass with a Ti/Au Multi-Layered Structure toward MEMS Capacitive Accelerometers

    Tatsuhiko Mori, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Journal of The Electrochemical Society   2025.10

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    Publishing type：Research paper (scientific journal)   Publisher：The Electrochemical Society  

    Abstract

    Annealing effects of the fabrication process on the concave warpage deformation of an electrodeposited-Au octagonal proof mass with a Ti/Au multi-layered structure are reported. The octagonal proof mass is fabricated by using multi-layer metal technology, which consists of the gold electrodeposition and sacrificial film formation. The annealing at and below 150 °C hardly deforms the octagonal proof mass, whereas the annealing at 200 °C induces its concave warpage deformation, and the increase in the annealing temperature causes greater deformation. On the other hand, even after the annealing at 300 °C, the warpage of the octagonal proof mass remains 1% of the length from the center to the periphery of the octagonal proof mass. Also, the measured warpage is found to be approximately one-seventh that of the electrodeposited-Au square proof mass with the almost same size. These results reveal that the octagonal shape is advantageous in the suppression of the warpage deformation of the proof mass.

    DOI： 10.1149/1945-7111/ae11d5

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    Other Link： https://iopscience.iop.org/article/10.1149/1945-7111/ae11d5/pdf

  • Heterogeneous Z-scheme CuO/ZnO aerogel photocatalyst for photocatalytic degradation of organic dye

    Dhayanantha Prabu Jaihindh, Yi-Feng Lin, Li-Hsien Tseng, Philip Anggo Krisbiantoro, Kevin C.-W. Wu, Kartikeya Shukla, Masato Sone, Tso-Fu Mark Chang, Chun-Yi Chen

    Journal of the Taiwan Institute of Chemical Engineers   175   106281 - 106281   2025.10

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    Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.jtice.2025.106281

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  • Void-Free Smooth Nickel Electrodeposition with Supercritical Carbon Dioxide Emulsified Sulfamate Bath in High Current Density

    Wending Hou, Chun-Yi Chen, Tomoyuki Kurioka, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Tso-Fu Mark Chang, Masato Sone

    Journal of The Electrochemical Society   2025.9

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    Publishing type：Research paper (scientific journal)   Publisher：The Electrochemical Society  

    Abstract

    Supercritical carbon dioxide (scCO₂) emulsions are used in the electrodeposition of nickel from a nickel sulfamate bath at current densities ranging from 0.03 to 0.36 A/cm². ScCO₂ emulsions are formed by mixing scCO₂, surfactants, and the aqueous nickel sulfamate bath. Nickel films obtained by electrodeposition with scCO₂ emulsions (ESCE) were compared to those produced by conventional electrodeposition (CONV). The use of scCO₂ emulsions improves the quality of the nickel film, even at high current densities up to 0.36 A/cm², as evidenced by reduced grain size and decreased surface roughness. The Faradaic efficiency (FE) of the deposition reaction by CONV gradually decreased from 95% to 90% as the current density increased from 0.03 to 0.36 A/cm², while the FE by ESCE decreased from 82% to 70%. The lowered FE is suggested to result from promoted hydrogen evolution due to the introduction of scCO₂ emulsions. Grain refinement and an increased Vickers hardness value of up to 780 HV are attributed to the periodic plating characteristic mechanism.

    DOI： 10.1149/1945-7111/ae05cf

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    Other Link： https://iopscience.iop.org/article/10.1149/1945-7111/ae05cf/pdf

  • Ni-P metallization of nylon 6,6 yarns with varying twist numbers by supercritical CO2 catalyzation toward weavable devices

    Kazuhiro Shibata, Tomoyuki Kurioka, Hikaru Kondo, Nao Yoshida, Wan-Ting Chiu, Chun-Yi Chen, Tso-Fu Mark Chang, Hiromichi Kurosu, Masato Sone

    Micro and Nano Engineering   28   100304 - 100304   2025.9

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    Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.mne.2025.100304

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  • Bimetallic and Magnetic CoFe-/Nitrogen-Doped Carbon Nanocomposites as Catalysts for the Degradation of Rhodamine B

    Dhayanantha Prabu Jaihindh, Si-Bei Lu, Tzu-Ting Chang, Yi-Feng Lin, Kartikeya Shukla, Tso-Fu Mark Chang, Masato Sone, Chun-Yi Chen

    ACS Applied Nano Materials   2025.8

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    Publishing type：Research paper (scientific journal)   Publisher：American Chemical Society (ACS)  

    DOI： 10.1021/acsanm.5c02849

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  • Full-Spectrum-Responsive Au@Cu7S4-Decorated Monoclinic TiO2 Nanowires for Solar Hydrogen Production

    Yu-Ting Wang, Hsuan-Hung Kuo, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone, Yung-Jung Hsu

    ACS Applied Materials & Interfaces   17 ( 28 )   40340 - 40352   2025.6

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    Publishing type：Research paper (scientific journal)   Publisher：American Chemical Society (ACS)  

    DOI： 10.1021/acsami.5c03462

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  • Polyaniline-Supported Atomic-Level Pt and Pt-Au Clusters as Catalytic Electrodes in Propanol Oxidation

    Kengo Watanabe, Keisuke Okamoto, Hiroki Kawakami, Shohei Yoshida, Tomoyuki Kurioka, Chun-Yi Chen, Chi-Hua Yu, Yung-Jung Hsu, Takamichi Nakamoto, Masato Sone, Tso-Fu Mark Chang

    Materials   18 ( 11 )   2594 - 2594   2025.6

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    Publishing type：Research paper (scientific journal)   Publisher：MDPI AG  

    Noble metals are widely recognized for their ability to catalyze the electro-oxidation of organic compounds, with smaller particle sizes significantly enhancing electrocatalytic activity. In this study, catalytic electrodes decorated with atomic-level platinum and Pt-Au clusters were fabricated using cyclic atomic-metal electrodeposition. The interactions between the iminium (protonated imine) groups in emeraldine salt polyaniline (PANI) and metal chloride complexes in the electrolyte enabled precise control over the cluster size and composition. The electrocatalytic activity of these electrodes for propanol oxidation was systematically evaluated using cyclic voltammetry (CV). Notably, PANI electrodes decorated with odd-numbered atomic-level Pt clusters exhibited higher peak oxidation currents compared to even-numbered clusters, revealing a unique even–odd effect. For atomic-level Pt-Au clusters, the catalytic activity was significantly influenced by the sequence of Pt and Au deposition, with PANI-Au1Pt3 achieving the highest catalytic activity (35.34 mA/cm2). Bi-metallic clusters consistently outperformed mono-metallic clusters, and clusters containing only one Pt atom demonstrated superior catalytic activity. These findings provide valuable insights into the design of high-performance catalytic electrodes by leveraging atomic-level control of the cluster size, composition, and deposition sequence, paving the way for advanced applications in electrochemical sensors.

    DOI： 10.3390/ma18112594

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  • Sintered NiFe2O4 Nanoparticles for the Photocatalytic Degradation of Malachite Green

    Xinyu Jin, Jhen-Yang Wu, Junan Wang, Chun-Yi Chen, Tomoyuki Kurioka, Masato Sone, Yung-Jung Hsu, Satoshi Okamoto, Tso-Fu Mark Chang

    ACS Applied Nano Materials   8 ( 17 )   9066 - 9076   2025.4

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    Publishing type：Research paper (scientific journal)   Publisher：American Chemical Society (ACS)  

    DOI： 10.1021/acsanm.5c01764

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  • Near-Infrared-Responsive Semiconductor Quantum Dots for Solar Photocatalysis

    Jen-An Shih, Shan-Jen Yang, Chun-Yi Chen, Masato Sone, Tso-Fu Mark Chang, Ying-Chih Pu, Yung-Jung Hsu

    ACS Applied Nano Materials   2025.4

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    Publishing type：Research paper (scientific journal)   Publisher：American Chemical Society (ACS)  

    DOI： 10.1021/acsanm.5c00629

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  • Enhancement of Photocatalytic Activity in BiFeO3 Nanoparticles through Electrical Polarization Reviewed

    Jhen-Yang Wu, Xinyu Jin, Junan Wang, Zhitao Hu, Chun-Yi Chen, Tomoyuki Kurioka, Justin Llandro, Andrew H. Gibbons, Masato Sone, Yung-Jung Hsu, Satoshi Okamoto, Tso-Fu Mark Chang

    Advanced Energy and Sustainability Research   2025.1

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1002/aesr.202400285

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  • Supercritical Carbon Dioxide Assisted Metallization toward Design of Electronic Components

    Po-Wei Cheng, Tomoyuki Kurioka, Chun-Yi Chen, Wan-Ting Chiu, Kenichi Tokuoka, Mitsuo Sano, Masato Sone, Hiromichi Kurosu, Tso-Fu Mark Chang

    Journal of the Japan Institute of Metals and Materials   89 ( 6 )   224 - 230   2025

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：Japan Institute of Metals  

    This review paper introduces recent progress on metallization of electrically non-conductive materials by a supercritical CO2 (ScCO2) assisted metallization for design of novel electronic devices. In Ni-P metallization of polyethylene terephthalate (PET) textiles, ScCO2 is used as the solvent in the catalyzation step to allow formation of catalyst seeds inside the PET structure. This eventually promotes interactions between the Ni-P coating and the PET surface. In Ni-P metallization of nylon 6,6 textile, ScCO2 is used as the solvent in the catalyzation step and functions with surfactants to emulsify the electroless plating solution in the metal deposition step. Integration of biocompatible Pt and silk textiles is achieved by the ScCO2 metallization toward components in biomedical devices. Lastly, metallization of three-dimensional (3D) printed polymer structures is presented to demonstrate the applicability in fast and low cost fabrication of electronic components.

    DOI： 10.2320/jinstmet.jb202302

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  • Supercritical CO2 Assisted Metallization of Polyethylene Terephthalate Yarns with Various Twist Number

    Hikaru Kondo, Tomoyuki Kurioka, Kazuhiro Shibata, Takumi Suda, Wan-Ting Chiu, Chun-Yi Chen, Yuko Mima, Roka Ueno, Arisa Jinno, Hiromichi Kurosu, Masato Sone, Tso-Fu Mark Chang

    The Journal of Supercritical Fluids   106501 - 106501   2024.12

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    Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.supflu.2024.106501

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  • Influence of Supercritical CO2 Emulsified Electrolyte on the Morphology of Electrodeposited Polypyrrole Films

    Punvinai Vinaisuratern, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone

    Journal of The Electrochemical Society   2024.9

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    Publishing type：Research paper (scientific journal)   Publisher：The Electrochemical Society  

    Abstract

    Electrodeposition of polypyrrole (PPy) in supercritical carbon dioxide (scCO2) emulsified electrolytes containing anionic surfactant sodium dodecyl sulfate (SDS) has been reported. By changing SDS concentration and the CO2/water volume ratio, PPy films with different morphologies, such as nodular, granular, and flower-like structures, are fabricated. The PPy films prepared in the scCO2 emulsified electrolytes show better redox properties than PPy films prepared in an aqueous electrolyte. Moreover, their redox properties are found to be affected by their respective morphologies.

    DOI： 10.1149/1945-7111/ad77f7

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    Other Link： https://iopscience.iop.org/article/10.1149/1945-7111/ad77f7/pdf

  • Simultaneous Necking and Barreling Deformation Behaviors in Bending of Single-Crystal Gold Micro-Cantilever

    Kazuya Fujita, Kosuke Suzuki, Keisuke Asano, Chun-Yi Chen, Tomoyuki Kurioka, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone, Tso-Fu Mark Chang

    Materials   17 ( 16 )   4054 - 4054   2024.8

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    Publishing type：Research paper (scientific journal)   Publisher：MDPI AG  

    Necking and barreling deformation behaviors occurred simultaneously during the bending test of a single-crystal gold micro-cantilever (sample A) with the loading direction parallel to the [1-10] orientation and the neutral plane parallel to the [110] orientation. In contrast, for another single-crystal gold micro-cantilever, sample B, with the loading direction aligned parallel to the [0.37 −0.92 0.05] orientation and the neutral plane parallel to the [0.54 0.28 0.78] orientation, predominant slip band deformation was noted. Sample A exhibited activation of four slip systems, whereas sample B demonstrated activity in only a single-slip system. This difference suggests that the presence of multiple slip systems contributes to the concurrent occurrence of necking and barreling deformations. Furthermore, variations in the thickness of the micro-cantilevers resulted in observable strengthening, indicating that the effect of sample size is intricately linked to the geometry of the cross-section, which we have termed the “sample geometry effect”.

    DOI： 10.3390/ma17164054

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  • Yolk@Shell Nanostructures for Water Splitting: Current Development and Future Prospects

    Jhen-Yang Wu, Yu-Chen Wei, Tsukasa Torimoto, Yu-An Chien, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone, Ping-Yen Hsieh, Yung-Jung Hsu

    ACS Materials Letters   4066 - 4089   2024.8

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    Publishing type：Research paper (scientific journal)   Publisher：American Chemical Society (ACS)  

    DOI： 10.1021/acsmaterialslett.4c00790

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  • Influence of Pulsed Reverse Electrodeposition on Mechanical Properties of Ni–W Alloys

    Zeyu Gu, Jhen-Yang Wu, Yiming Jiang, Tomoyuki Kurioka, Chun-Yi Chen, Hwai-En Lin, Xun Luo, Daisuke Yamane, Masato Sone, Tso-Fu Mark Chang

    Electrochem   5 ( 3 )   287 - 297   2024.7

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    Publishing type：Research paper (scientific journal)   Publisher：MDPI AG  

    Ni–W alloys have received considerable interest as a promising structural material for microelectromechanical systems (MEMS) due to their exceptional properties, including hardness, ductility, corrosion resistance, and thermal stability. However, the electrodeposition of Ni–W alloys in the MEMS fabrication process to achieve intact structures with a thickness of several tens of micrometers is challenging due to the occurrence of cracking caused by side reactions and internal stresses during the electrodeposition process. To address this issue, our focus was on pulsed reverse electrodeposition (PRE) as a potential solution. The utilization of the PRE technique allows for a high concentration of reactive species on the electrode surface, thereby mitigating side reactions such as hydrogen generation. In this study, we examined the effects of the PRE method on the morphological characteristics, average crystal grain size, Vickers hardness, and micro-mechanical properties of Ni–W alloys.

    DOI： 10.3390/electrochem5030018

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  • Metallization of polyetherimide with 3D structures by supercritical carbon dioxide-assisted electroless Ni P plating

    Ami Iwasaki, Tomoyuki Kurioka, Po-Wei Cheng, Chun-Yi Chen, Tso-Fu Mark Chang, Kei Takase, Hiroshi Ishihata, Masato Sone

    Micro and Nano Engineering   100271 - 100271   2024.7

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    Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.mne.2024.100271

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  • Double‐Hollow Au@CdS Yolk@Shell Nanostructures as Superior Plasmonic Photocatalysts for Solar Hydrogen Production Reviewed

    Yi‐An Chen, Yuhi Nakayasu, Yu‐Chang Lin, Jui‐Cheng Kao, Kai‐Chi Hsiao, Quang‐Tuyen Le, Kao‐Der Chang, Ming‐Chung Wu, Jyh‐Pin Chou, Chun‐Wei Pao, Tso‐Fu Mark Chang, Masato Sone, Chun‐Yi Chen, Yu‐Chieh Lo, Yan‐Gu Lin, Akira Yamakata, Yung‐Jung Hsu

    Advanced Functional Materials   2024.6

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    Authorship：Corresponding author   Publishing type：Research paper (scientific journal)   Publisher：Wiley  

    Abstract

    Structural engineering has proven effective in tailoring the photocatalytic properties of semiconductor nanostructures. In this work, a sophisticated double‐hollow yolk@shell nanostructure composed of a plasmonic, mobile, hollow Au nanosphere (HGN) yolk and a permeable, hollow CdS shell is proposed to achieve remarkable solar hydrogen production. The shell thickness of HGN@CdS is finely adjusted from 7.7, 18.4 to 24.5 nm to investigate its influence on the photocatalytic performance. Compared with pure HGN, pure CdS, a physical mixture of HGN and CdS, and a counterpart single‐hollow cit‐Au@CdS yolk@shell nanostructure, HGN@CdS exhibits superior hydrogen production under visible light illumination (λ = 400–700 nm). The apparent quantum yield of hydrogen production reaches 8.2% at 320 nm, 6.2% at 420 nm, and 4.4% at 660 nm. The plasmon‐enhanced activity at 660 nm is exceptional, surpassing the plasmon‐induced photoactivities of the state‐of‐the‐art plasmonic photocatalysts ever reported. The superiority of HGN@CdS originates from the creation of charge separation state at HGN/CdS heterojunction, the considerably long‐lived hot electrons of plasmonic HGN, the magnified electric field, and the advantageous features of double‐hollow yolk@shell nanostructures. The findings can provide a guideline for the rational design of versatile double‐hollow yolk@shell nanostructures for widespread photocatalytic applications.

    DOI： 10.1002/adfm.202402392

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  • Supercritical CO2-Assisted Electroless Plating of Ultrahigh-Molecular-Weight Polyethylene Filaments for Weavable Device Application

    Hikaru Kondo, Tomoyuki Kurioka, Wan-Ting Chiu, Chun-Yi Chen, Jhen-Yang Wu, Tso-Fu Mark Chang, Machiko Yamaguchi, Hiromichi Kurosu, Masato Sone

    Electrochem   5 ( 2 )   213 - 222   2024.6

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    This study reports on the use of supercritical CO2 (scCO2) for the metallization of ultrahigh-molecular-weight polyethylene (UHMW-PE) filaments, which are used as functional components in weavable devices. UHMW-PE is well known for its chemical and impact resistance, making it suitable for use in bulletproof clothing and shields. However, its chemical resistance poses a challenge for metallization. By utilizing scCO2 as the solvent in the catalyzation process, a uniform and defect-free layer of Ni-P is successfully deposited on the UHMW-PE filaments. The deposition rate of Ni-P is enhanced at higher temperatures during the scCO2 catalyzation. Importantly, the durability of the Ni-P-metalized UHMW-PE filaments is improved when the scCO2 catalyzation is carried out at 120 °C, as evidenced by minimal changes in electrical resistivity after a rolling test.

    DOI： 10.3390/electrochem5020013

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  • Dependence of Structural Design on Effective Young's Modulus of Ti/Au Multi-layered Micro-cantilevers

    Shunkai Watanabe, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Akira Onishi, Parthojit Chakraborty, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Micro and Nano Engineering   23   100249 - 100249   2024.6

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    DOI： 10.1016/j.mne.2024.100249

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  • Cross-Sectional Geometry Effect on Bending Strength of Gold Micro-Cantilever with Trapezoidal Cross-Section Reviewed

    Ryohei Hori, Kazuya Fujita, Chun Yi Chen, Tomoyuki Kurioka, Tso-Fu Mark Chang, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Micro and Nano Engineering   23   100259   2024.5

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    DOI： 10.1016/j.mne.2024.100259

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  • Decoration of atomic PdxAuy (1 ≤ x + y ≤ 4) clusters on polyaniline in electrochemical sensing of 1-propanol

    Shohei Yoshida, Keisuke Okamoto, Tomoyuki Kurioka, Chun-Yi Chen, Parthojit Chakraborty, Yi-Feng Lin, Yung-Jung Hsu, Takamichi Nakamoto, Masato Sone, Tso-Fu Mark Chang

    Surface and Coatings Technology   130762 - 130762   2024.4

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    DOI： 10.1016/j.surfcoat.2024.130762

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  • Effects of the strain rate in compression of electrodeposited gold micro-pillars toward the design of MEMS components Reviewed

    Syota Kanno, Taro Omura, Tomoyuki Kurioka, Chun-Yi Chen, Parthojit Chakraborty, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone, Tso-Fu Mark Chang

    Micro and Nano Engineering   100254   2024.4

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    DOI： 10.1016/j.mne.2024.100254

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  • Warpage Study of Electrodeposited-Au Micro-Components with Ti/Au Multi-Layered Structures toward MEMS Applications Reviewed

    Taro Omura, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Akira Onishi, Parthojit Chakraborty, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Journal of The Electrochemical Society   2024.3

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    DOI： 10.1149/1945-7111/ad2ba9

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  • Clarification of geometric effects on long-term structural stability of Ti/au multi-layered Micro-cantilevers

    Ryosuke Miyai, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Akira Onishi, Parthojit Chakraborty, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Micro and Nano Engineering   100244 - 100244   2024.3

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    DOI： 10.1016/j.mne.2024.100244

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  • Tunable Photocatalytic Properties of Au-Decorated BiFeO3 Nanostructures for Dye Photodegradation Reviewed

    Jhen-Yang Wu, Chun-Yi Chen, Junan Wang, Xinyu Jin, Wending Hou, Husan-Hung Kuo, Wan-Ting Chiu, Tomoyuki Kurioka, Masato Sone, Satoshi Okamoto, Yung-Jung Hsu, Tso-Fu Mark Chang

    ACS Applied Nano Materials   2024.3

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    DOI： 10.1021/acsanm.4c01702

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  • Density‐Functional Theory Studies on Photocatalysis and Photoelectrocatalysis: Challenges and Opportunities Reviewed

    Chun‐Han Lin, Jyoti Rohilla, Hsuan‐Hung Kuo, Chun‐Yi Chen, Tso‐Fu Mark Chang, Masato Sone, Pravin P. Ingole, Yu‐Chieh Lo, Yung‐Jung Hsu

    Solar RRL   202300948   2024.2

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    Density‐functional theory (DFT) is pivotal in the advancement of photocatalysis and photoelectrocatalysis. Its capability to explore electronic structures of materials contributes significantly to clarifying the mechanisms of photocatalytic (PC) and photoelectrocatalytic (PEC) processes. DFT calculations enable a deeper understanding of how these processes work at a molecular level, which is essential for designing versatile photocatalysts and photoelectrodes and optimizing reaction pathways. In this perspective, key PC and PEC applications, such as H2 production, CO2 reduction, dye degradation, and N2 reduction, where DFT is instrumental in optimizing materials designs and reaction pathways, are highlighted. Exploration on the synergy between experimental research and DFT calculations is highlighted, which is crucial for the development of efficient and environmentally friendly energy solutions. The discussion further extends to challenges and future directions, emphasizing the need for incorporating factors, including discrepancy in scale, light illumination, electrolyte presence, and applied bias, into DFT calculations, to achieve a more comprehensive understanding of PC and PEC systems. In this perspective, it is aimed to provide a holistic view of the current state and potential advancements in photocatalyst and photoelectrode modeling, thereby guiding future research toward more effective and sustainable energy and chemical production processes in PC and PEC systems.

    DOI： 10.1002/solr.202300948

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  • Photocatalytic Fibers for Environmental Purification: Challenges and Opportunities in the Post‐Pandemic Era

    Jhen-Yang Wu, Yi-An Chen, Yu-An Chien, Tomoyuki Kurioka, Masato Sone, Chun-Yi Chen, Tso-Fu Mark Chang, Yung-Jung Hsu

    Advanced Energy and Sustainability Research   2023.11

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    The COVID‐19 pandemic has underscored the paramount importance of maintaining clean and safe environments. Strengthening environmental purification measures is pivotal for better preparedness and resilience against future health crises. Photocatalytic fibers, due to their versatility and adaptability to various application scenarios, play a pivotal role in the field of environmental purification. In this perspective, light is shed on the pivotal advancements in employing photocatalytic fibers to tackle environmental issues encompassing dye degradation, antibiotics decomposition, heavy metal removal, indoor air purification, and microbial disinfection. These applications hold significant promise in promoting cleaner and healthier environments while aligning with sustainability objectives. However, the implementation of photocatalytic fibers in practical scenarios is not without its challenges. Issues, such as near infrared responsiveness, all‐day active capacity, reusability, and scalability, must be addressed to ensure their reliability and long‐term effectiveness. Potential solutions for surmounting these challenges are also delved, aiming to provide a comprehensive overview for researchers and stakeholders. Exploring new avenues and innovative approaches may pave the way for the widespread deployment of photocatalytic fibers in environmental purification, especially in the post‐pandemic era where the need for clean and safe environments is more evident than ever.

    DOI： 10.1002/aesr.202300212

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  • Manipulation of interfacial charge dynamics for metal-organic frameworks toward advanced photocatalytic applications Reviewed

    Chien-Yi Wang, Huai-En Chang, Tso-FuMark Chang, Chien-Yi Wang, Huai-En Chang, Cheng-Yu Wang, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone, Yung-Jung Hsu

    Nanoscale Advances   2023.11

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    DOI： 10.1039/d3na00837a

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  • Impurity Analysis of Electroplated Gold Components with Multi-Layered Structures by Thermal Desorption Spectrometry toward Application in Gold Micro Electro Mechanical System Capacitive Accelerometers Reviewed

    Takumi Akiyama, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Parthojit Chakraborty, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Micro and Nano Engineering   21   100226 - 100226   2023.9

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    DOI： 10.1016/j.mne.2023.100226

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  • High strength Ni matrix TiO2 composites by supercritical CO2 assisted Co-electrodeposition with different sizes of TiO2 particle

    Yu-An Chien, Chun-Yi Chen, Tomoyuki Kurioka, Masato Sone, Tso-Fu Mark Chang

    Micro and Nano Engineering   20   100219 - 100219   2023.9

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    DOI： 10.1016/j.mne.2023.100219

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  • Effects of Bromide Ions in Anomalous Codeposition of Ni-Co Alloys with a Sulfamate Based Electrolyte

    Yiming Jiang, Chun-Yi Chen, Tomoyuki Kurioka, Xun Luo, Daisuke Yamane, Masato Sone, Tso-Fu Mark Chang

    Journal of The Electrochemical Society   170 ( 7 )   072507 - 072507   2023.7

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    Alloy electrodeposition of Ni-Co alloys is known to show an anomalous codeposition behavior, which the concentration of cobalt in the deposited alloy is higher than the concentration of cobalt ions in the electrolyte. In this study, the cobalt content in the alloy is increased from 30 at% to 60 at% through introduction of bromide ions into a sulfamate bath, while addition of chloride ions does not give any significant influences to the alloy. The bromide ions are found to promote the reduction of cobalt ions but inhibit the reduction of nickel ions. Effects of the pH are also investigated to provide possible explanation to the phenomenon observed, and the anomalous codeposition behavior becomes more obvious in a more acidic electrolyte.

    DOI： 10.1149/1945-7111/ace47e

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  • Effect of supercritical carbon dioxide soft particles on incorporation of titanium dioxide nanoparticles into nickel matrix

    Yu-An Chien, Chun-Yi Chen, Tomoyuki Kurioka, Masato Sone, Tso-Fu Mark Chang

    MATERIALS CHEMISTRY AND PHYSICS   302   2023.7

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    DOI： 10.1016/j.matchemphys.2023.127703

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  • Effect on the Strength of Nickel-Boron Alloys Reviewed

    Yiming Jiang, Chun-Yi Chen, Tomoyuki Kurioka, Xun Luo, Daisuke Yamane, Masanori Mizoguchi, Osamu Kudo, Ryu Maeda, Masato Sone, Tso-Fu Mark Chang

    Materials Letters   349   134742   2023.6

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  • Functionalization of polyethylene terephthalate fabrics with au@Cu2O core@shell nanocrystals for environmental purifications

    Jhen-Yang Wu, Mei-Jing Fang, Tomoyuki Kurioka, Ting-Hsuan Lai, Ming-Yu Kuo, Yi-Hsuan Chiu, Chun-Wen Tsao, Yi-An Chen, Hsuan-Hung Kuo, Yu-An Chien, Po-Wei Cheng, Bo-You Lin, Sue-Min Chang, Chun-Yi Chen, Masato Sone, Tso-Fu Mark Chang, Yung-Jung Hsu

    Micro and Nano Engineering   100217 - 100217   2023.6

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    DOI： 10.1016/j.mne.2023.100217

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  • Supercritical carbon dioxide-assisted gold metallization of 3D-printed structure and the tensile strength

    Po-Wei Cheng, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Wan-Ting Chiu, Hideki Hosoda, Kei Takase, Hiroshi Ishihata, Masato Sone

    MRS Communications   2023.5

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    DOI： 10.1557/s43579-023-00373-y

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  • Correlation of Sample Geometry and Grain Size in Micro-Bending of Electrodeposited Polycrystalline Gold Invited Reviewed

    Kosuke Suzuki, Yiming Jiang, Ryohei Hori, Ken Hashigata, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Parthojit Chakraborty, Katsuyuki Machida, Hiroyuki Ito, Yoshihiro Miyake, Masato Sone

    Materials Today Communications   35   106072 - 106072   2023.4

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    DOI： 10.1016/j.mtcomm.2023.106072

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  • Metallization of 3D-Printed UV Photopolymer Structures by the Incorporation of Pd-Decorated Carbon Nanotubes

    Chun-Yi Chen, Po-Wei Cheng, Taku Ichibayashi, Tso-Fu Mark Chang, Masato Sone, Suzushi Nishimura

    ACS Applied Nano Materials   6 ( 6 )   4584 - 4593   2023.3

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    DOI： 10.1021/acsanm.3c00055

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  • Platinum Metallization of Polyethylene Terephthalate by Supercritical Carbon Dioxide Catalyzation and the Tensile Fracture Strength

    Po-Wei Cheng, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Wan-Ting Chiu, Hideki Hosoda, Kei Takase, Hiroshi Ishihata, Hiromichi Kurosu, Masato Sone

    Materials   16 ( 6 )   2023.3

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    DOI： 10.3390/ma16062377

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  • Platinum Metallization of Polyethylene Terephthalate by Supercritical Carbon Dioxide Catalyzation and the Tensile Fracture Strength

    Po-Wei Cheng, Tomoyuki Kurioka, Chun-Yi Chen, Tso-Fu Mark Chang, Wan-Ting Chiu, Hideki Hosoda, Kei Takase, Hiroshi Ishihata, Hiromichi Kurosu, Masato Sone

    Materials   16 ( 6 )   2023.3

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    DOI： 10.3390/ma16062377

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  • Au@Cu2O core@shell nanocrystals as sustainable catalysts for efficient hydrogen production from ammonia borane Reviewed

    Mei-Jing Fang, Yu-Chang Lin, Ting-Hsuan Lai, Ping-Yen Hsieh, Ming-Yu Kuo, Yi-Hsuan Chiu, Chun-Wen Tsao, Yi-An Chen, Jhen-Yang Wu, Yew Chung, Sermon Wu, Yang-Gu Lin, Tso-Fu Mark Chang, Chun-Yi Chen, Masato Sone

    Applied Catalysis B: Environmental   324   122198   2023.1

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    DOI： 10.1016/j.apcatb.2022.122198

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  • Electrodeposition of Ni-B Alloy Film: Effect of Current Density and Heat Treatment on Micro-Mechanical Property

    Yiming Jiang, Chun-Yi Chen, Tomoyuki Kurioka, Xun Luo, Daisuke Yamane, Masanori Mizoguchi, Osamu Kudo, Ryu Maeda, Masato Sone, Tso-Fu Mark Chang

    JOURNAL OF THE ELECTROCHEMICAL SOCIETY   169 ( 11 )   2022.11

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    DOI： 10.1149/1945-7111/ac9dc2

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  • Electronic Interactions and Charge-Transfer Dynamics for a Series of Yolk-Shell Nanocrystals: Implications for Photocatalysis

    Jhen-Yang Wu, Ting-Hsuan Lai, Mei-Jing Fang, Jui-Yuan Chen, Ming-Yu Kuo, Yi-Hsuan Chiu, Ping-Yen Hsieh, Chun-Wen Tsao, Huai-En Chang, Yu-Peng Chang, Chien-Yi Wang, Chun-Yi Chen, Masato Sone, Wen-Wei Wu, Tso-Fu Mark Chang, Yung-Jung Hsu

    ACS APPLIED NANO MATERIALS   5 ( 6 )   8404 - 8416   2022.6

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    DOI： 10.1021/acsanm.2c01529

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  • Supercritical carbon dioxide-assisted platinum metallization of polyethylene terephthalate textile toward wearable device

    Masaki Mitsumoto, Chun-Yi Chen, Wan-Ting Chiu, Tso-Fu Mark Chang, Yasushi Watanabe, Arisa Jinno, Hiromichi Kurosu, Masato Sone

    MICRO AND NANO ENGINEERING   15   100132   2022.6

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    DOI： 10.1016/j.mne.2022.100132

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    Other Link： https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K21050/

  • Sample size effect in Ni-TiO2 composites fabricated by supercritical CO2 emulsified CO-electroplating for miniaturized device

    Yu-An Chien, Chun-Yi Chen, Masato Sone, Tso-Fu Mark Chang

    MICRO AND NANO ENGINEERING   15   2022.6

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    DOI： 10.1016/j.mne.2022.100135

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  • Electrodeposition and Micro-Mechanical Property Characterization of Nickel-Cobalt Alloys toward Design of MEMS Components Reviewed

    Yiming Jiang, Chun-Yi Chen, Xun Luo, Daisuke Yamane, Masanori Mizoguchi, Osamu Kudo, Ryu Maeda, Masato Sone, Tso-Fu Mark Chang

    Electrochem   3   198 - 210   2022.4

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    DOI： 10.3390/electrochem3020012

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  • Effect of current density on micro-mechanical property of electrodeposited gold film evaluated by micro-compression

    Taro Omura, Chun-Yi Chen, Tso-Fu Mark Chang, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    SURFACE & COATINGS TECHNOLOGY   436   2022.4

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    DOI： 10.1016/j.surfcoat.2022.128315

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  • Development of polypyrrole/nano-gold composite for non-enzymatic glucose sensors

    Hiroki Kawakami, Yuki Ito, Yu-An Chien, Chun-Yi Chen, Wan-Ting Chiu, Parthojit Chakraborty, Takamichi Nakamoto, Masato Sone, Tso-Fu Mark Chang

    MICRO AND NANO ENGINEERING   14   2022.4

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    DOI： 10.1016/j.mne.2022.100109

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  • Supercritical carbon dioxide-assisted functionalization of polyethylene terephthalate (PET) toward flexible catalytic electrodes

    Po-Wei Cheng, Chun-Yi Chen, Taku Ichibayashi, Tso-Fu Mark Chang, Masato Sone, Suzushi Nishimura

    JOURNAL OF SUPERCRITICAL FLUIDS   180   2022.2

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    DOI： 10.1016/j.supflu.2021.105455

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  • Supercritical carbon dioxide assisted co-electrodeposition of nickel-titanium dioxide composite film and the dispersity

    Yu-An Chien, Chun-Yi Chen, Masato Sone, Tso-Fu Mark Chang

    JOURNAL OF SUPERCRITICAL FLUIDS   181   2022.2

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    DOI： 10.1016/j.supflu.2021.105495

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  • The Structure and Micro-Mechanical Properties of Electrodeposited Cobalt Films by Micro-Compression Test

    Xun Luo, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone, Qiong Zhang, Jinzhu Zhang

    JOURNAL OF THE ELECTROCHEMICAL SOCIETY   168 ( 10 )   2021.10

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    DOI： 10.1149/1945-7111/ac2be9

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  • Metallization of 3D-printed polymer structures via supercritical carbon dioxide-assisted electroless plating

    Po-Wei Cheng, Chun-Yi Chen, Taku Ichibayashi, Tso-Fu Mark Chang, Masato Sone, Suzushi Nishimura

    MRS Communications   11 ( 3 )   278 - 282   2021.6

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    DOI： 10.1557/s43579-021-00022-2

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  • Effective Young’s Modulus of Complex Three Dimensional Multilayered Ti/Au Micro-Cantilevers Fabricated by Electrodeposition and the Temperature Dependency Invited Reviewed

    Hitomi Watanabe, Tso-Fu Mark Chang, Michael Schneider, Ulrich Schmid, Chun-Yi Chen, Shinichi Iida, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    Electrochem   2021.4

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    DOI： 10.3390/electrochem2020015

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  • Micro-Compression Characterization and Thermal Stability of Electrolessly Plated Nickel Phosphorus Alloy Reviewed

    Tokihiro Hotta, Tso-Fu Mark Chang, Chun-Yi Chen, Hidekazu Sawae, Yu Imada, Masanori Mizoguchi, Osamu Kudo, Ryu Maeda, Masato Sone

    ECS Journal of Solid State Science and Technology   10 ( 3 )   035007 - 035007   2021.3

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    DOI： 10.1149/2162-8777/abedd3

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  • Electrodeposition of Ni-Co Alloys and Their Mechanical Properties by Micro-Vickers Hardness Test Invited Reviewed

    Yiming Jiang, Chun-Yi Chen, Tso-Fu Mark Chang, Xun Luo, Daisuke Yamane, Masato Sone

    Electrochem   2 ( 1 )   1 - 9   2021.1

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    DOI： 10.3390/electrochem2010001

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  • Heterogeneous Deformation Behavior of Cu-Ni-Si Alloy by Micro-Size Compression Testing

    Sari Yanagida, Takashi Nagoshi, Akiyoshi Araki, Tso-Fu Mark Chang, Chun-Yi Chen, Equo Kobayashi, Akira Umise, Hideki Hosoda, Tatsuo Sato, Masato Sone

    CRYSTALS   10 ( 12 )   2020.12

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    DOI： 10.3390/cryst10121162

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  • Effects of Sample Geometry and Grain Size on Mechanical Property of Electrodeposited Gold Evaluated By Micro-Bending Test Reviewed

    Kosuke Suzuki, Yu-An Chien, Ken Hashigata, Keisuke Asano, Chun-Yi Chen, Tso-Fu Mark Chang, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    ECS Meeting Abstracts   2020.11

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    DOI： 10.1149/MA2020-02653306mtgabs

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  • Relationship between Current Density, Crystal Grain Size, Composition and Mechanical Properties in Electrodeposited Ni-Co Alloys Reviewed

    Yiming Jiang, Yu-An Chien, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone

    ECS Meeting Abstracts   2020.11

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    DOI： 10.1149/MA2020-02161457mtgabs

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  • Effects of Sample Geometry on Micro-Mechanical Property of Single Crystal Gold for Applications in Microelectronics Reviewed

    Kazuya Fujita, Kosuke Suzuki, Chun-Yi Chen, Tso-Fu Mark Chang, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    ECS Meeting Abstracts   2020.11

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    DOI： 10.1149/MA2020-02653307mtgabs

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  • Catalytic Activity of Atomic Gold-Decorated Polyaniline Support in Glucose Oxidation Reviewed

    Yuki Ito, Tso-Fu Mark Chang, Yu-An Chien, Chun-Yi Chen, Parthojit Chakraborty, Takamichi Nakamoto, Masato Sone

    Electrochem   1 ( 4 )   394 - 399   2020.11

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    Atomic-level gold clusters are decorated on a polyaniline (PANI) support by a cyclic atomic electrodeposition process, and the catalytic activity in the oxidation of glucose is studied. The evaluation is conducted by cyclic voltammetry using atomic-level gold clusters-decorated PANI (PANI/AuN, where N indicates the atomic size of the Au cluster and N = 1~3 in this study) as the working electrode and a solution containing 0 to 50.0 mM of glucose in phosphate-buffered saline. The catalytic activity is determined from the oxidation current observed at around +0.6 V vs. Ag/AgCl. The catalytic activity is found to be affected by the size of gold clusters decorated on the PANI/AuN, whereby the catalytic activity is low when N is 1 or 3. On the other hand, an obvious enhancement in the catalytic activity is observed for the PANI/Au2 electrode.

    DOI： 10.3390/electrochem1040026

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  • Co-Electrodeposition of Au–TiO2 Nanocomposite and the Micro-Mechanical Properties Reviewed

    Yu-An Chien, Tso-Fu Mark Chang, Chun-Yi Chen, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    Electrochem   1 ( 4 )   388 - 393   2020.11

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    Strengthening of electrodeposited Au-based materials is achieved by co-electrodeposition with TiO2 nanoparticles dispersed in a sulfide-based gold electrolyte. TiO2 content in the composite film is adjusted by concentration of the TiO2 in the gold electrolyte. Effects of the TiO2 content on surface morphology, crystalline structure and microstructure of the composite film are investigated. Mechanical properties of the Au–TiO2 composite films are evaluated by micro-Vickers hardness and micro-compression tests. The hardness increases from 135 to 207 HV when the TiO2 content is increased from 0 to 2.72 wt%. Specimens used in the micro-compression test are micro-pillars fabricated from the composite film, and the yield strength reaches 0.84 GPa by incorporating 2.72 wt% TiO2 into the film.

    DOI： 10.3390/electrochem1040025

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  • Near infrared-driven photoelectrochemical water splitting: Review and future prospects

    Ping-Yen Hsieh, Jhen-Yang Wu, Tso-Fu Mark Chang, Chun-Yi Chen, Masato Sone, Yung-Jung Hsu

    ARABIAN JOURNAL OF CHEMISTRY   13 ( 11 )   8372 - 8387   2020.11

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  • Sample geometry effect on mechanical property of gold micro-cantilevers by micro-bending test

    Kosuke Suzuki, Tso-Fu Mark Chang, Ken Hashigata, Keisuke Asano, Chun-Yi Chen, Takashi Nagoshi, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MRS COMMUNICATIONS   10 ( 3 )   434 - 438   2020.9

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    DOI： 10.1557/mrc.2020.38

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  • Incorporating graphene quantum dots to enhance the photoactivity of CdSe-sensitized TiO2 nanorods for solar hydrogen production

    Yung-Shan Chang, Ping-Yen Hsieh, Tso-Fu Mark Chang, Chun-Yi Chen, Masato Sone, Yung-Jung Hsu

    JOURNAL OF MATERIALS CHEMISTRY A   8 ( 28 )   13971 - 13979   2020.7

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    DOI： 10.1039/d0ta02359k

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  • Reduced graphene oxides-wrapped ZnO with notable photocatalytic property

    Wei-Chen Hu, Yi-An Chen, Ping-Yen Hsieh, Chun-Wen Tsao, Yi-Hsuan Chiu, Tso-Fu Mark Chang, Chun-Yi Chen, Masato Sone, Yung-Jung Hsu

    JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS   112   337 - 344   2020.7

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    DOI： 10.1016/j.jtice.2020.05.016

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  • Electrodeposition of Au-Cu Alloys and the Micro-Mechanical Properties Reviewed

    Tso-Fu Mark Chang, Haochun Tang, Chun-Yi Chen, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    ECS Meeting Abstracts   {MA}2020-01 ( 20 )   1233 - 1233   2020.5

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    Publishing type：Research paper (scientific journal)   Publisher：The Electrochemical Society  

    DOI： 10.1149/MA2020-01201233mtgabs

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  • Alloy Electroplating and Young's Modulus Characterization of AuCu Alloy Microcantilevers

    Kyotaro Nitta, Tso-Fu Mark Chang, Haochun Tang, Chun-Yi Chen, Shinichi Iida, Daisuke Yamane, Katsuyuki Machida, Hiroyuki Ito, Kazuya Masu, Masato Sone

    JOURNAL OF THE ELECTROCHEMICAL SOCIETY   167 ( 8 )   2020.4

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    DOI： 10.1149/1945-7111/ab8805

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  • Metallization of PET textile utilizing supercritical CO2 catalyzation

    Kenichi Tokuoka, Chun-Yi Chen, Tso-Fu Mark Chang, Wan-Ting Chiu, Hiromichi Kurosu, Masato Sone

    MICROELECTRONIC ENGINEERING   223   2020.2

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    DOI： 10.1016/j.mee.2020.111233

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  • Nanoscale Hierarchical Structure of Twins in Nanograins Embedded with Twins and the Strengthening Effect

    Haochun Tang, Tso-Fu Mark Chang, Yaw-Wang Chai, Chun-Yi Chen, Takashi Nagoshi, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    METALS   9 ( 9 )   2019.9

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    DOI： 10.3390/met9090987

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  • High Strength Electrodeposited Au-Cu Alloys Evaluated by Bending Test toward Movable Micro-Components

    Keisuke Asano, Tso-Fu Mark Chang, Haochun Tang, Takashi Nagoshi, Chun-Yi Chen, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY   8 ( 8 )   P412 - P415   2019.7

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    DOI： 10.1149/2.0151908jss

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  • Cu-alloying effect on structure stability of electrodeposited gold-based micro-cantilever evaluated by long-term vibration test

    Kyotaro Nitta, Tso-Fu Mark Chang, Koichiro Tachibana, Haochun Tang, Chun-Yi Chen, Shinichi Iida, Daisuke Yamane, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MICROELECTRONIC ENGINEERING   215   2019.7

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    DOI： 10.1016/j.mee.2019.111001

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  • Mechanistic Insights into Photodegradation of Organic Dyes Using Heterostructure Photocatalysts

    Yi-Hsuan Chiu, Tso-Fu Mark Chang, Chun-Yi Chen, Masato Sone, Yung-Jung Hsu

    CATALYSTS   9 ( 5 )   2019.5

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  • Effects of current density on mechanical properties of electroplated nickel with high speed sulfamate bath

    Takahiro Yamamoto, Kengo Igawa, Haochung Tang, Chun-Yi Chen, Tso-Fu Mark Chang, Takashi Nagoshi, Osamu Kudo, Ryu Maeda, Masato Sone

    MICROELECTRONIC ENGINEERING   213   18 - 23   2019.5

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    DOI： 10.1016/j.mee.2019.04.012

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  • Strengthening of micro-cantilever by Au/Ti bi-layered structure evaluated by micro-bending test toward MEMS devices

    Ken Hashigata, Tso-Fu Mark Chang, Haochun Tang, Chun-Yi Chen, Daisuke Yamane, Toshifumi Konishi, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MICROELECTRONIC ENGINEERING   213   13 - 17   2019.5

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    DOI： 10.1016/j.mee.2019.04.008

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  • Long-term structure stability of Ti/Au layered micro-cantilever evaluated by vibration test

    Koichiro Tachibana, Tso-Fu Mark Chang, Chun-Yi Chen, Daisuke Yamane, Toshifumi Konishi, Hiroyuki Ito, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MICROELECTRONIC ENGINEERING   207   33 - 36   2019.2

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    DOI： 10.1016/j.mee.2019.01.002

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  • Ni-P and TiO2 codeposition on silk textile via supercritical CO2 promoted electroless plating for flexible and wearable photocatalytic devices

    Wan-Ting Chiu, Chun-Yi Chen, Tso-Fu Mark Chang, Tomoko Hashimoto, Hiromichi Kurosu, Masato Sone

    ELECTROCHIMICA ACTA   294   68 - 75   2019.1

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    DOI： 10.1016/j.electacta.2018.10.076

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  • Pulse-Current Electrodeposition of Gold

    Chun-Yi Chen, Masaharu Yoshiba, Haochun Tang, Tso-Fu Mark Chang, Takashi Nagoshi, Daisuke Yamane, Toshifumi Konishi, Katsuyuki Machida

    Novel Metal Electrodeposition and the Recent Application   2019

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    DOI： 10.5772/INTECHOPEN.80845

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  • Fabrication of Au-Cu Alloy/Ti Layered Micro-Cantilevers and the Long-Term Structure Stability

    Kyotaro Nitta, Haochun Tang, Chun-Yi Chen, Tso-Fu Mark Chang, Daisuke Yamane, Shinichi Iida, Katsuyuki Machida, Hiroyuki Ito, Kazuya Masu, Masato Sone

    2019 IEEE SENSORS   2019

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  • Electrodeposition of High-Functional Metal Oxide on Noble Metal for MEMS Devices

    Wan-Ting Chiu, Chun-Yi Chen, Tso-Fu Mark Chang, Tomoko Hashimoto, Hiromichi Kurosu

    Novel Metal Electrodeposition and the Recent Application   2019

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    DOI： 10.5772/INTECHOPEN.82394

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  • Electrodeposition of Gold Alloys and the Mechanical Properties

    Haochun Tang, Tso-Fu Mark Chang, Chun-Yi Chen, Takashi Nagoshi, Daisuke Yamane, Toshifumi Konishi, Katsuyuki Machida

    Novel Metal Electrodeposition and the Recent Application   2019

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    DOI： 10.5772/INTECHOPEN.80755

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  • Promoted bending strength in micro-cantilevers composed of nanograined gold toward MEMS applications

    Keisuke Asano, Haochun Tang, Chun-Yi Chen, Takashi Nagoshi, Tso-Fu Mark Chang, Daisuke Yamane, Toshifumi Konishi, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MICROELECTRONIC ENGINEERING   196   20 - 24   2018.9

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    DOI： 10.1016/j.mee.2018.04.021

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  • Sample size effect on micro-mechanical properties of gold electroplated with dense carbon dioxide

    Haochun Tang, Ken Hashigata, Tso-Fu Mark Chang, Chun-Yi Chen, Takashi Nagoshi, Daisuke Yamane, Toshifumi Konishi, Katsuyuki Machida, Kazuya Masu, Masato Sone

    SURFACE & COATINGS TECHNOLOGY   350   1065 - 1070   2018.9

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    DOI： 10.1016/j.surfcoat.2018.02.041

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  • Platinum coating on silk by a supercritical CO2 promoted metallization technique for applications of wearable devices

    Wan-Ting Chiu, Chun-Yi Chen, Tso-Fu Mark Chang, Yuma Tahara, Tomoko Hashimoto, Hiromichi Kurosu, Masato Sone

    SURFACE & COATINGS TECHNOLOGY   350   1028 - 1035   2018.9

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    DOI： 10.1016/j.surfcoat.2018.02.070

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  • Fully Depleted Ti-Nb-Ta-Zr-O Nanotubes: Interfacial Charge Dynamics and Solar Hydrogen Production

    Yi-Hsuan Chiu, Ting-Hsuan Lai, Chun-Yi Chen, Ping-Yen Hsieh, Kazunari Ozasa, Mitsuo Niinomi, Kiyoshi Okada, Tso-Fu Mark Chang, Nobuhiro Matsushita, Masato Sone, Yung-Jung Hsu

    ACS APPLIED MATERIALS & INTERFACES   10 ( 27 )   22997 - 23008   2018.7

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    DOI： 10.1021/acsami.8b00727

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  • Enhancement in structure stability of gold micro-cantilever by constrained fixed-end in MEMS devices

    Minami Teranishi, Chun-Yi Chen, Tso-Fu Mark Chang, Toshifumi Konishi, Daisuke Yamane, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MICROELECTRONIC ENGINEERING   187   105 - 109   2018.2

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    DOI： 10.1016/j.mee.2017.11.015

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  • Au-Cu Alloys Prepared by Pulse Electrodeposition toward Applications as Movable Micro-Components in Electronic Devices

    Haochun Tang, Chun-Yi Chen, Tso-Fu Mark Chang, Takashi Nagoshi, Daisuke Yamane, Toshifumi Konishi, Katsuyuki Machida, Kazuya Masu, Masato Sone

    JOURNAL OF THE ELECTROCHEMICAL SOCIETY   165 ( 2 )   D58 - D63   2018

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    DOI： 10.1149/2.0441802jes

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  • Fabrication and Photocatalytic Performance of Au/ZnO Layered Structure on Silk Textile for Flexible Device Applications

    Wan-Ting Chiu, Chun-Yi Chen, Tso-Fu Mark Chang, Yuma Tahara, Tomoko Hashimoto, Hiromichi Kurosu, Masato Sone

    ELECTROCHIMICA ACTA   253   39 - 46   2017.11

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    DOI： 10.1016/j.electacta.2017.09.041

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  • Deformation behavior of electroplated gold composed of nano-columnar grains embedded in micro-columnar textures

    Masaharu Yoshiba, Chun-Yi Chen, Tso-Fu Mark Chang, Takashi Nagoshi, Daisuke Yamane, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MATERIALS LETTERS   202   82 - 85   2017.9

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    DOI： 10.1016/j.matlet.2017.05.066

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  • Micro-bending testing of electrodeposited gold for applications as movable components in MEMS devices

    Keisuke Asano, Hao-Chun Tang, Chun-Yi Chen, Takashi Nagoshi, Tso-Fu Mark Chang, Daisuke Yamane, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MICROELECTRONIC ENGINEERING   180   15 - 19   2017.8

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    DOI： 10.1016/j.mee.2017.05.044

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  • Fundamental Property Assessments of Biocompatible Silk-Pt Composite Prepared by Supercritical Carbon Dioxide Promoted Electroless Plating

    Wan-Ting Chiu, Yuma Tahara, Chun-Yi Chen, Tso-Fu Mark Chang, Tomoko Hashimoto, Hiromichi Kurosu, Masato Sone

    INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH   56 ( 31 )   8864 - 8871   2017.8

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    DOI： 10.1021/acs.iecr.7b01749

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  • The hydrobaric effect on cathodically deposited titanium dioxide photocatalyst

    Tso-Fu Mark Chang, Wei-Hao Lin, Chun-Yi Chen, Yung-Jung Hsu, Masato Sone

    MRS COMMUNICATIONS   7 ( 2 )   189 - 192   2017.6

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    DOI： 10.1557/mrc.2017.21

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  • Silk-Pt composite integration by supercritical carbon dioxide assisted electroless plating for medical devices application

    Wan-Ting Chiu, Yuma Tahara, Chun-Yi Chen, Tso-Fu Mark Chang, Tomoko Hashimoto, Hiromichi Kurosu, Masato Sone

    MICROELECTRONIC ENGINEERING   175   34 - 37   2017.5

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    DOI： 10.1016/j.mee.2016.12.024

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  • Tensile tests of micro-specimens composed of electroplated gold

    Sari Yanagida, Tso-Fu Mark Chang, Chun-Yi Chen, Takashi Nagoshi, Daisuke Yamane, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MICROELECTRONIC ENGINEERING   174   6 - 10   2017.4

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    DOI： 10.1016/j.mee.2016.12.004

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  • Mechanical Property Evaluation of NiFeCoGa Shape Memory Alloys Using Micro-compression Specimens

    Igawa Kengo, Yanagida Sari, Chang Tso-Fu Mark, Chen Chun-Yi, Tahara Masaki, Inamura Tomonari, Hosoda Hideki, Chernenko Volodymyr A., Sone Masato

    JSAP Annual Meetings Extended Abstracts   2017.1   2956 - 2956   2017.3

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    DOI： 10.11470/jsapmeeting.2017.1.0_2956

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  • Micro-Compression Study of Ni-Fe(Co)-Ga Magnetic Shape Memory Alloy for MEMS Sensors

    Kengo Igawa, Tso-Fu Mark Chang, Chun-Yi Chen, Akira Umise, Takashi Nagoshi, Masaki Tahara, Tomonari Inamura, Hideki Hosoda, Volodymyr A. Chernenko, Masato Sone

    2017 IEEE SENSORS   223 - 225   2017

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  • A Supercritical CO2 Promoted Electroless Ni-P Plating on Silk and Their Fundamental Characteristics Investigations

    Wan-Ting Chiu, Yuma Tahara, Chun-Yi Chen, Tso-Fu Mark Chang, Tomoko Hashimoto, Hiromichi Kurosu, Masato Sone

    JOURNAL OF THE ELECTROCHEMICAL SOCIETY   164 ( 7 )   D406 - D411   2017

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    DOI： 10.1149/2.0551707jes

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  • LONG-TERM VIBRATION CHARACTERISTICS OF MEMS INERTIAL SENSORS BY MULTI-LAYER METAL TECHNOLOGY

    Daisuke Yamane, Toshifumi Konishi, Teruaki Safu, Kochiro Tachibana, Minami Teranishi, Chun-Yi Chen, Tso-Fu Mark Chang, Masato Sone, Katsuyuki Machida, Kazuya Masu

    2017 19TH INTERNATIONAL CONFERENCE ON SOLID-STATE SENSORS, ACTUATORS AND MICROSYSTEMS (TRANSDUCERS)   2187 - 2190   2017

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  • High-Strength Electroplated Au-Cu Alloys as Micro-Components in MEMS Devices

    Haochun Tang, Chun-Yi Chen, Masaharu Yoshiba, Takashi Nagoshi, Tso-Fu Mark Chang, Daisuke Yamane, Katsuyuki Machida, Kazuya Masu, Masato Sone

    JOURNAL OF THE ELECTROCHEMICAL SOCIETY   164 ( 4 )   D244 - D247   2017

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    DOI： 10.1149/2.141704jes

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  • A Study on Young's Modulus of Electroplated Gold Cantilevers for MEMS Devices

    Hideaki Nakajima, Tso-Fu Mark Chang, Chun-Yi Chen, Toshifumi Konishi, Katsuyuki Machida, Hiroshi Toshiyoshi, Daisuke Yamane, Kazuya Masu, Masato Sone

    2017 IEEE 12TH INTERNATIONAL CONFERENCE ON NANO/MICRO ENGINEERED AND MOLECULAR SYSTEMS (NEMS)   264 - 267   2017

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  • Enhancement of mechanical strength in Au films electroplated with supercritical carbon dioxide

    Haochun Tang, Chun-Yi Chen, Takashi Nagoshi, Tso-Fu Mark Chang, Daisuke Yamane, Katsuyuki Machida, Kazuya Masu, Masato Sone

    ELECTROCHEMISTRY COMMUNICATIONS   72   126 - 130   2016.11

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    DOI： 10.1016/j.elecom.2016.09.019

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  • Application of supercritical carbon dioxide in catalyzation and Ni-P electroless plating of nylon 6,6 textile

    Mitsuo Sano, Yuma Tahara, Chun-Yi Chen, Tso-Fu Mark Chang, Tomoko Hashimoto, Hiromichi Kurosu, Tatsuo Sato, Masato Sone

    SURFACE & COATINGS TECHNOLOGY   302   336 - 343   2016.9

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    DOI： 10.1016/j.surfcoat.2016.06.037

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  • Effects of Pressure in Cathodic Deposition of TiO2 and SnO2 with Supercritical CO2 Emulsified Electrolyte

    Wei-Hao Lin, Chun-Yi Chen, Tso-Fu Mark Chang, Yung-Jung Hsu, Masato Sone

    ELECTROCHIMICA ACTA   208   244 - 250   2016.8

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    DOI： 10.1016/j.electacta.2016.04.088

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  • Pulse electroplating of ultra-fine grained Au films with high compressive strength

    Chun-Yi Chen, Masaharu Yoshiba, Takashi Nagoshi, Tso-Fu Mark Chang, Daisuke Yamane, Katsuyuki Machida, Kazuya Masu, Masato Sone

    ELECTROCHEMISTRY COMMUNICATIONS   67   51 - 54   2016.6

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    DOI： 10.1016/j.elecom.2016.03.017

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  • Structure stability of high aspect ratio Ti/Au two-layer cantilevers for applications in MEMS accelerometers

    Minami Teranishi, Tso-Fu Mark Chang, Chun-Yi Chen, Toshifumi Konishi, Katsuyuki Machida, Hiroshi Toshiyoshi, Daisuke Yamane, Kazuya Masu, Masato Sone

    MICROELECTRONIC ENGINEERING   159   90 - 93   2016.6

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    DOI： 10.1016/j.mee.2016.02.054

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  • Metallization of polyimide films with enlarged area by conducting the catalyzation in supercritical carbon dioxide

    Tso-Fu Mark Chang, Cheng-Chuan Wang, Chia-Ying Yen, Shin-Hwa Chen, Chun-Yi Chen, Masato Sone

    MICROELECTRONIC ENGINEERING   153   1 - 4   2016.3

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    DOI： 10.1016/j.mee.2015.12.006

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  • Metallization of textile by Pt catalyzation in supercritical carbon dioxide and Pt electroless plating for applications in wearable devise

    Mitsuo Sano, Yuma Tahara, Tso-Fu Mark Chang, Chun-Yi Chen, Tomoko Hashimoto, Hiromichi Kurosu, Masato Sone

    MICROELECTRONIC ENGINEERING   153   92 - 95   2016.3

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    DOI： 10.1016/j.mee.2016.02.027

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  • Electroless Plating Method Using Supercritical Carbon Dioxide Emulsion

    UCHIYAMA Hiroki, CHANG Tso-Fu Mark, CHEN Chun-yi, SONE Masato

    Journal of the Surface Finishing Society of Japan   67 ( 4 )   192 - 196   2016

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    DOI： 10.4139/sfj.67.192

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  • Brittle Fracture of Electrodeposited Gold Observed by Micro-Compression

    Masaharu Yoshiba, Chun-Yi Chen, Tso-Fu Mark Chang, Takashi Nagoshi, Daisuke Yamane, Katsuyuki Machida, Kazuya Masu, Masato Sone

    MATERIALS TRANSACTIONS   57 ( 8 )   1257 - 1260   2016

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    DOI： 10.2320/matertrans.MG201612

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  • Deformation Behavior of Pure Cu and Cu-Ni-Si Alloy Evaluated by Micro-Tensile Testing

    Sari Yanagida, Akiyoshi Araki, Tso-Fu Mark Chang, Chun-Yi Chen, Takashi Nagoshi, Equo Kobayashi, Hideki Hosoda, Tatsuo Sato, Masato Sone

    MATERIALS TRANSACTIONS   57 ( 11 )   1897 - 1901   2016

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    DOI： 10.2320/matertrans.M2016188

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  • One-Step Hydrothermal Synthesis of SnS2/SnO2/C Hierarchical Heterostructures for Li-ion Batteries Anode with Superior Rate Capabilities

    Chun-Yi Chen, Tokihiko Yokoshima, Hiroki Nara, Toshiyuki Momma, Tetsuya Osaka

    ELECTROCHIMICA ACTA   183   78 - 84   2015.11

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    DOI： 10.1016/j.electacta.2015.05.079

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  • Self-organization of TiO2 Nanobamboos by Anodization with Deep Eutectic Solvent

    Chun-Yi Chen, Kazunari Ozasa, Fusao Kitamura, Ken-ichi Katsumata, Mizuo Maeda, Kiyoshi Okada, Nobuhiro Matsushita

    ELECTROCHIMICA ACTA   153   409 - 415   2015.1

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    DOI： 10.1016/j.electacta.2014.11.084

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  • Crystal Growth of Cobalt Film Fabricated by Electrodeposition with Dense Carbon Dioxide

    Xun Luo, Chun-Yi Chen, Tso-Fu Mark Chang, Hideki Hosoda, Masato Sone

    JOURNAL OF THE ELECTROCHEMICAL SOCIETY   162 ( 9 )   D423 - D426   2015

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    DOI： 10.1149/2.0101509jes

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  • Cathodic deposition of TiO2 thin films with supercritical CO2 emulsified electrolyte

    Tso-Fu Mark Chang, Wei-Hao Lin, Yung-Jung Hsu, Chun-Yi Chen, Tatsuo Sato, Masato Sone

    ELECTROCHEMISTRY COMMUNICATIONS   33   68 - 71   2013.8

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    DOI： 10.1016/j.elecom.2013.04.025

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  • CaTiO3 nanobricks prepared from anodized TiO2 nanotubes

    Chun-Yi Chen, Kazunari Ozasa, Ken-ichi Katsumata, Mizuo Maeda, Kiyoshi Okada, Nobuhiro Matsushita

    ELECTROCHEMISTRY COMMUNICATIONS   22   101 - 104   2012.8

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    DOI： 10.1016/j.elecom.2012.05.012

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  • Bioactive Titanium Oxide-Based Nanostructures Prepared by One-Step Hydrothermal Anodization

    Chun-Yi Chen, Kazunari Ozasa, Ken-ichi Katsumata, Mizuo Maeda, Kiyoshi Okada, Nobuhiro Matsushita

    JOURNAL OF PHYSICAL CHEMISTRY C   116 ( 14 )   8054 - 8062   2012.4

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    DOI： 10.1021/jp210783w

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  • Pulse-current electrodeposition of gold, Novel Metal Electrodeposition and the Recent Application

    C.Y. Chen, M. Yoshiba, H.C. Tang, T.F.M. Chang, T. Nagoshi, D. Yamane, T. Konishi, K. Machida

    IntechOpen  2019.3 

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  • Novel Metal Electrodeposition and the Recent Application

    （ Role： Joint author）

    IntechOpen  2019.3 

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  • Electrodeposition of gold alloys and the mechanical properties

    H.C Tang, T.F.M. Chang, C.Y. Chen, T. Nagoshi, D. Yamane, T. Konishi, K. Machida（ Role： Joint author）

    IntechOpen  2019.3 

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  • “Design of Au-based micro-components with high structure stability for applications in MEMS inertial sensors”, Advances in Microelectronics Reviews

    T.F.M. Chang, C.Y. Chen, Y. Ishizuka, M. Teranishi, T. Suzuki, D. Yamane, T. Konishi, K. Machida, K. Masu, M. Sone

    IFSA Publishing  2019.2 

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  • “Highly reliable metallization on polymer and their fundamental characteristics toward wearable devices applications”, Advances in Biosensors: Reviews

    W.T. Chiu, B.H. Woo, M. Sano, T.F.M. Chang, C.Y. Chen, T. Hashimoto, H. Kurosu, M. Sone

    IFSA Publishing  2018.4 

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  • Fabrication and characterization of high strength electrodeposited gold toward high-sensitive MEMS inertial sensors” Advances in Microelectronics Reviews, IFSA Publishing

    T.F.M. Chang, C.Y. Chen, H.C. Tang, M. Yoshiba, T. Nagoshi, D. Yamane, K. Machida, K. Masu, M. Sone

    IFSA Publishing  2017 

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MISC

  • Supercritical Carbon Dioxide Assisted Metallization toward Design of Electronic Components

    Cheng Po-Wei, Kurioka Tomoyuki, Chen Chun-Yi, Chiu Wan-Ting, Tokuoka Kenichi, Sano Mitsuo, Sone Masato, Kurosu Hiromichi, Chang Tso-Fu Mark

    Journal of the Japan Institute of Metals and Materials   89 ( 6 )   224 - 230   2025.6

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    Language：Japanese   Publisher：The Japan Institute of Metals and Materials  

    This review paper introduces recent progress on metallization of electrically non-conductive materials by a supercritical CO2 (ScCO2) assisted metallization for design of novel electronic devices. In Ni-P metallization of polyethylene terephthalate (PET) textiles, ScCO2 is used as the solvent in the catalyzation step to allow formation of catalyst seeds inside the PET structure. This eventually promotes interactions between the Ni-P coating and the PET surface. In Ni-P metallization of nylon 6,6 textile, ScCO2 is used as the solvent in the catalyzation step and functions with surfactants to emulsify the electroless plating solution in the metal deposition step. Integration of biocompatible Pt and silk textiles is achieved by the ScCO2 metallization toward components in biomedical devices. Lastly, metallization of three-dimensional (3D) printed polymer structures is presented to demonstrate the applicability in fast and low cost fabrication of electronic components.

    DOI： 10.2320/jinstmet.jb202302

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  • Supercritical Carbon Dioxide Assisted Metallization toward Design of Electronic Components

    Cheng Po-Wei, Kurioka Tomoyuki, Chen Chun-Yi, Chiu Wan-Ting, Tokuoka Kenichi, Sano Mitsuo, Sone Masato, Kurosu Hiromichi, Chang Tso-Fu Mark

    Journal of the Japan Institute of Metals and Materials   advpub   2025

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    Language：Japanese   Publisher：The Japan Institute of Metals and Materials  

    This review paper introduces recent progress on metallization of electrically non-conductive materials by a supercritical CO2 (ScCO2) assisted metallization for design of novel electronic devices. In Ni-P metallization of polyethylene terephthalate (PET) textiles, ScCO2 is used as the solvent in the catalyzation step to allow formation of catalyst seeds inside the PET structure. This eventually promotes interactions between the Ni-P coating and the PET surface. In Ni-P metallization of nylon 6,6 textile, ScCO2 is used as the solvent in the catalyzation step and functions with surfactants to emulsify the electroless plating solution in the metal deposition step. Integration of biocompatible Pt and silk textiles is achieved by the ScCO2 metallization toward components in biomedical devices. Lastly, metallization of three-dimensional (3D) printed polymer structures is presented to demonstrate the applicability in fast and low cost fabrication of electronic components.

    DOI： 10.2320/jinstmet.jb202302

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  • Supercritical CO2-Assisted Electroless Plating of Ultrahigh-Molecular-Weight Polyethylene Filaments for Weavable Device Application

    コンドウ ヒカル, 陳 君怡, 邱 琬婷, Jhen-Yang Wu, クリオカ トモユキ, チャン ツォー フー マーク, 山口 万智子, 曽根 正人, 黒子 弘道

    Electrochem   5 ( 2 )   213 - 222   2024.6

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    Language：English  

    This study reports on the use of supercritical CO2 (scCO2) for the metallization of ultrahigh-molecular-weight polyethylene (UHMW-PE) filaments, which are used as functional components in weavable devices. UHMW-PE is well known for its chemical and impact resistance, making it suitable for use in bulletproof clothing and shields. However, its chemical resistance poses a challenge for metallization. By utilizing scCO2 as the solvent in the catalyzation process, a uniform and defect-free layer of Ni-P is successfully deposited on the UHMW-PE filaments. The deposition rate of Ni-P is enhanced at higher temperatures during the scCO2 catalyzation. Importantly, the durability of the Ni-P-metalized UHMW-PE filaments is improved when the scCO2 catalyzation is carried out at 120 °C, as evidenced by minimal changes in electrical resistivity after a rolling test.

    DOI： 10.3390/electrochem5020013

    DOI： 10.1016/j.mne.2024.100259

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    Other Link： https://www.mdpi.com/2673-3293/5/2/13/pdf

  • Metallization of Textile by Electroless Plating Using Supercritical Carbon Dioxide Toward Application into Wearable Devices

    CHIU Wan-Ting, MITSUMOTO Hiroki, TOKUOKA Kenichi, KURIOKA Tomoyuki, CHEN Chun-Yi, CHANG Tso-Fu Mark, KUROSU Hiromichi, SONE Masato

    Journal of The Surface Finishing Society of Japan   74 ( 1 )   14 - 18   2023.1

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    Language：Japanese   Publisher：The Surface Finishing Society of Japan  

    DOI： 10.4139/sfj.74.14

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    Other Link： https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K20666/

  • Metallization of Textile by Electroless Plating Using Supercritical Carbon Dioxide Toward Application into Wearable Devices

    MITSUMOTO Hiroki, TOKUOKA Kenichi, KURIOKA Tomoyuki, CHEN Chun-Yi, CHANG Tso-Fu Mark, SONE Masato, KUROSU Hiromichi, CHIU Wan-Ting

    Journal of The Surface Finishing Society of Japan   74 ( 1 )   14 - 18   2023.1

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    Language：Japanese   Publisher：The Surface Finishing Society of Japan  

    DOI： 10.4139/sfj.74.14

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    Other Link： https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K20666/

  • ウェアラブルデバイス応用に向けた超臨界二酸化炭素を用いた無電解めっきによる繊維材料のメタライゼーション—Metallization of Textile by Electroless Plating Using Supercritical Carbon Dioxide Toward Application into Wearable Devices—小特集 ウエアラブル及びインプランタブルデバイスと表面処理

    邱 琬婷, 三本 大貴, 徳岡 賢一, 栗岡 智行, 陳 君怡, ツォーフ・マーク チャン, 黒子 弘道, 曽根 正人

    表面技術 = Journal of the Surface Finishing Society of Japan   74 ( 1 )   14 - 18   2023.1

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    Language：Japanese   Publisher：東京 : 表面技術協会  

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    Other Link： https://ndlsearch.ndl.go.jp/books/R000000004-I032608306

  • ウェアラブルデバイス応用に向けた超臨界二酸化炭素を用いた無電解めっきによる繊維材料のメタライゼーション—Metallization of Textile by Electroless Plating Using Supercritical Carbon Dioxide Toward Application into Wearable Devices—小特集 ウエアラブル及びインプランタブルデバイスと表面処理

    邱 琬婷, 三本 大貴, 徳岡 賢一, ツォーフ・マーク チャン, 黒子 弘道, 曽根 正人, 栗岡 智行, 陳 君怡

    表面技術 = Journal of the Surface Finishing Society of Japan   74 ( 1 )   14 - 18   2023.1

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    Language：Japanese   Publisher：東京 : 表面技術協会  

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  • Sample size effect in Ni-TiO2 composites fabricated by supercritical CO2 emulsified CO-electroplating for miniaturized device

    Yu-An Chien, Chun-Yi Chen, Masato Sone, Tso-Fu Mark Chang

    Micro and Nano Engineering   15   100135   2022.6

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  • Supercritical carbon dioxide-assisted platinum metallization of polyethylene terephthalate textile toward wearable device

    三本, 大貴, 邱, 琬婷, チャン, ツォーフーマーク, 陳, 君怡, Watanabe, Yasushi, 神野, 有沙, 曽根, 正人, 黒子, 弘道

    Micro and Nano Engineering   15   100132   2022.3

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    Platinum metallization of polyethylene terephthalate (PET) textile is realized by a supercritical carbon dioxide catalyzation process using palladium (II) hexafluoroacetylacetonate as the source of Pd catalyst, and ε-caprolactam as an additive. A commercially available Pt electroless plating solution is used to deposit Pt on the catalyzed PET textile. Surface morphology of the Pt metallized PET textile changes from granular particle to plate-like morphology when the Pt deposition time increases from 1 to 40 min. The Pt layer thickness reaches 270 nm, 580 nm, and 780 nm after 20 min, 60 min and 240 min, respectively, of the Pt deposition time. The Pt metallized PET textile prepared with 240 min of the Pt deposition time shows the lowest electrical resistance at 0.4 Ω, and the electrical resistance merely increases to 0.7 Ω and 1.0 Ω after one and two times, respectively, of a tape adhesion test.

    DOI： 10.1016/j.mne.2022.100132

    DOI： 10.4139/sfj.74.14_references_DOI_Ed0ejJQBGUooUKs4B2nrY3QGpqn

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    Other Link： https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K21050/

  • Micro-Mechanical Property Evaluation of Gold-Nickel Alloys Toward Design of MEMS Components

    Miyake Yoshihiro, Machida Katsuyuki, Sone Masato, Akiyama Takumi, Yamane Daisuke, Chien Yu-An, Chang Tso Fu Mark, Chen Chun-Yi, Ito Hiroyuki

    JSAP Annual Meetings Extended Abstracts   2022.1   2332 - 2332   2022.2

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    Language：Japanese   Publisher：The Japan Society of Applied Physics  

    DOI： 10.11470/jsapmeeting.2022.1.0_2332

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  • Cross-sectional shape effect of mechanical properties of micro-cantilevers made of Au single crystal

    Chen Chun-Yi, Fujita Kazuya, Chang Tso-Fu Mark, Ito Hiroyuki, Machida Katsuyuki, Miyake Yoshihiro, Sone Masato, Hori Ryohei

    JSAP Annual Meetings Extended Abstracts   2022.1   2331 - 2331   2022.2

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    Language：Japanese   Publisher：The Japan Society of Applied Physics  

    DOI： 10.11470/jsapmeeting.2022.1.0_2331

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  • Supercritical carbon dioxide assisted co-electrodeposition of nickel-titanium dioxide composite film and the dispersity

    Yu-An Chien, Chun-Yi Chen, Masato Sone, Tso-Fu Mark Chang

    The Journal of Supercritical Fluids   181   105495   2022.2

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    Publisher：Elsevier BV  

    Abstract This work reports effects of supercritical carbon dioxide (SC-CO2) on the dispersion of TiO2 in Ni-TiO2 composite films prepared by SC-CO2 assisted co-electrodeposition. Pure Ni and Ni-TiO2 composite films prepared by the conventional electrodeposition method are prepared as comparisons. The average grain size of the Ni matrix is compared from the X-ray diffraction results, and grain refinement is observed in the composite film prepared by the SC-CO2 assisted co-electrodeposition. The incorporation amount of TiO2 and the dispersity in the composite film are determined from results obtained in energy dispersive X-ray mapping analysis, and the TiO2 content reaches 5.47 wt% and the dispersity of TiO2 becomes more uniform in the composite film by the SC-CO2 assisted co-electrodeposition. The dispersity is quantified through a convolution process. Vickers hardness of the composite film reaches 1167 Vickers Pyramid Number (HV0.1/15) because of the fine Ni grains, high TiO2 content and uniform TiO2 distribution.

    DOI： 10.1016/j.supflu.2021.105495

    DOI： 10.1016/j.mne.2022.100135_references_DOI_TdCRszQG5R8MOknhedSKImS15n1

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    Other Link： https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K04827/

  • Micro-Bending of Single Crystal Gold and the Sample Geometry Effect

    Fujita Kazuya, Suzuki Kosuke, Chen Chun-Yi, Chang Tso-Fu Mark, Ito Hiroyuki, Yamane Daisuke, Machida Katsuyuki, Masu Kazuya, Sone Masato

    JSAP Annual Meetings Extended Abstracts   2021.2   2581 - 2581   2021.8

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    Language：Japanese   Publisher：The Japan Society of Applied Physics  

    DOI： 10.11470/jsapmeeting.2021.2.0_2581

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  • Micro-Bending of Single Crystal Gold and the Sample Geometry Effect

    Fujita Kazuya, Suzuki Kosuke, Chen Chun-Yi, Ito Hiroyuki, Chang Tso-Fu Mark, Yamane Daisuke, Machida Katsuyuki, Masu Kazuya, Sone Masato

    JSAP Annual Meetings Extended Abstracts   2021.2   2581 - 2581   2021.8

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    Language：Japanese   Publisher：The Japan Society of Applied Physics  

    DOI： 10.11470/jsapmeeting.2021.2.0_2581

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  • Electrodeposition of Sn/SnO2 Composite Materials As Anode Material for Lithium Ion Batteries and the Micro-Mechanical Property

    Tso-Fu Mark Chang, Mana Tanabe, Chun-Yi Chen, Masato Sone

    ECS Meeting Abstracts   MA2019-04   56 - 56   2019.6

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    Publisher：The Electrochemical Society  

    <jats:p> Sn/SnO<jats:sub>2</jats:sub> composite materials are promising anode materials in lithium ion battery. Electrodeposition with supercritical CO<jats:sub>2</jats:sub>(sc-CO<jats:sub>2</jats:sub>) emulsified electrolyte (EP-SCE) is an effective method in controlling morphology (Ni [1], Cu[2], and Co[3]) and crystallinity (ZnO [4]and TiO<jats:sub>2</jats:sub> [5]) of electrodeposited materials. Sc-CO<jats:sub>2</jats:sub> is CO<jats:sub>2</jats:sub> at temperature and pressure above its critical point, which is 304.1 K and 7.38 MPa. CO<jats:sub>2</jats:sub> is non-polar, therefore, the solubility of metal salts and electrical conductivity are both very low in sc-CO<jats:sub>2</jats:sub>. In order to conduct electrochemical reactions, surfactants are used to form emulsified electrolyte. </jats:p> <jats:p>Co-deposition of SnO<jats:sub>2</jats:sub> along with electrodeposition of metallic Sn can occur at the same time in a SnCl<jats:sub>2</jats:sub> based electrolyte containing NO<jats:sub>3</jats:sub> <jats:sup>-</jats:sup> ions [6]. The EP-SCE is expected to be effective in controlling concentration and properties of the SnO<jats:sub>2</jats:sub> in metallic Sn film. In this study, Sn/SnO<jats:sub>2</jats:sub> composite films are prepared by electrodeposition with supercritical CO<jats:sub>2</jats:sub> (sc-CO<jats:sub>2</jats:sub>) emulsified electrolyte, and the mechanical properties in micro-scale are evaluated by compression test of micro-pilliars fabricated from the Sn/SnO<jats:sub>2</jats:sub> composite film for practical applications. </jats:p> <jats:p>Details of the high pressure electrochemical apparatus can be found in a previous study [1]. The electrolyte is composed of 0.22 M SnCl<jats:sub>2</jats:sub>, 0.015 M HCl and 0.31 M (NH<jats:sub>4</jats:sub>)<jats:sub>3</jats:sub>C<jats:sub>6</jats:sub>H<jats:sub>5</jats:sub>O<jats:sub>7</jats:sub>. The current density applied is varied from 2.8 to 17.3 mA/cm<jats:sup>2</jats:sup>. For the EP-SCE, the surfactant is C<jats:sub>12</jats:sub>H<jats:sub>25</jats:sub>(OCH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>)<jats:sub>15</jats:sub>OH. 0.2 vol.% of the surfactant is used to form the sc-CO<jats:sub>2</jats:sub> emulsions. 20 vol.% of CO<jats:sub>2</jats:sub> at 343 K and 15 MPa under agitation are used to ensure the formation of a stable emulsion. Electrodeposition without the sc-CO<jats:sub>2</jats:sub> emulsions at ambient condition (CONV) was also conducted to be used as a comparison. </jats:p> <jats:p>Surface morphology of the films prepared by EP-SCE were very smooth and compact, and the CONV films were porous. On the other hand, there is not much different in the average grain size between the EP-SCE and CONV films, which was about 50 μm for both the EP-SCE and CONV films. The oxygen content in the EP-SCE films can be up to 28.3 at.% by adjusting the electrodeposition parameters. </jats:p> <jats:p>Micro-pillars with a 20×20 μm<jats:sup>2</jats:sup> cross-section and a height at 40 μm were fabricated by focus ion beam from the deposited films. The yield stresses were ranged from 10 to 40 MPa when the current density changed. </jats:p> <jats:p>Acknowledgment: </jats:p> <jats:p>This work was supported by JST CREST Grant Number JPMJCR1433. </jats:p> <jats:p>Reference: </jats:p> <jats:p>[1] Electrochim. Acta 55 (2010) 6469-6475 </jats:p> <jats:p>[2] Thin Solid Films 529 (2013) 25-28 </jats:p> <jats:p>[3] J. Electrochem. Soc. 162 (2015) D423-D426 </jats:p> <jats:p>[4] J. Phys. Chem. C 117 (2013) 25596-25603 </jats:p> <jats:p>[5] Electrochem. Commun. 33 (2013) 68-71 </jats:p> <jats:p>[6] J. Alloys Compd. 403 (2005) 335-340 </jats:p>

    DOI： 10.1149/ma2019-04/1/56

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  • Temperature Dependence on Package Sealing Ambient of MEMS Inertial Sensor Fabricated by Multi-layer Metal Technology

    Konishi Toshifumi, Yamane Daisuke, Safu Teruaki, Chen Chun-Yi, Chang Tso-Fu Mark, Ito Hiroyuki, Dosho Shiro, Ishihara Noboru, Sone Masato, Machida Katsuyuki, Masu Kazuya, Iida Shinichi

    JSAP Annual Meetings Extended Abstracts   2018.1   3125 - 3125   2018.3

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    Language：Japanese   Publisher：The Japan Society of Applied Physics  

    DOI： 10.11470/jsapmeeting.2018.1.0_3125

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  • Temperature Dependence on Package Sealing Ambient of MEMS Inertial Sensor Fabricated by Multi-layer Metal Technology

    Konishi Toshifumi, Yamane Daisuke, Safu Teruaki, Chen Chun-Yi, Ito Hiroyuki, Chang Tso-Fu Mark, Dosho Shiro, Sone Masato, Machida Katsuyuki, Ishihara Noboru, Masu Kazuya, Iida Shinichi

    JSAP Annual Meetings Extended Abstracts   2018.1   3125 - 3125   2018.3

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    Language：Japanese   Publisher：The Japan Society of Applied Physics  

    DOI： 10.11470/jsapmeeting.2018.1.0_3125

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  • A Study of Long-Term Vibration Characteristics of MEMS Accelerometers Fabricated by Au Electroplating

    Yamane Daisuke, Konishi Toshifumi, Safu Teruaki, Tachibana Koichiro, Teranishi Minami, Chen Chun-Yi, Chang Tso-Fu Mark, Sone Masato, Machida Katsuyuki, Masu Kazuya

    JSAP Annual Meetings Extended Abstracts   2017.2   2951 - 2951   2017.8

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    Language：Japanese   Publisher：The Japan Society of Applied Physics  

    DOI： 10.11470/jsapmeeting.2017.2.0_2951

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  • Young’s Modulus Evaluation of Electroplated Ti/Au Structures by Multi-layer Metal Technology (1)

    Yamane Daisuke, Konishi Toshifumi, Safu Teruaki, Nakajima Hideaki, Teranishi Minami, Chen Chun-Yi, Chang Tso-Fu Mark, Sone Masato, Toshiyoshi Hiroshi, Masu Kazuya, Machida Katsuyuki

    JSAP Annual Meetings Extended Abstracts   2017.1   2960 - 2960   2017.3

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    DOI： 10.11470/jsapmeeting.2017.1.0_2960

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  • Young’s Modulus Evaluation of Electroplated Ti/Au Structures by Multi-layer Metal Technology (1)

    Yamane Daisuke, Konishi Toshifumi, Safu Teruaki, Nakajima Hideaki, Teranishi Minami, Toshiyoshi Hiroshi, Chen Chun-Yi, Chang Tso-Fu Mark, Sone Masato, Masu Kazuya, Machida Katsuyuki

    JSAP Annual Meetings Extended Abstracts   2017.1   2960 - 2960   2017.3

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    DOI： 10.11470/jsapmeeting.2017.1.0_2960

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  • 超臨界ナノプレーティング法によるめっき処理面のレベリング向上—Enhanced leveling effect on plated metal surface using supercritical nanoplating—特集 研磨要らずで鏡面仕上げ

    内山 浩幹, ツォーフ マーク チャン, 陳 君怡, 曽根 正人

    Abrasive technology : 砥粒加工学会誌 : journal of the Japan Society for Abrasive Technology   60 ( 9 )   497 - 500   2016.9

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  • Electroless Plating Method Using Supercritical Carbon Dioxide Emulsion

    UCHIYAMA Hiroki, CHANG Tso-Fu Mark, CHEN Chun-yi, SONE Masato

    Journal of The Surface Finishing Society of Japan   67 ( 4 )   192 - 196   2016

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    Language：Japanese   Publisher：The Surface Finishing Society of Japan  

    DOI： 10.4139/sfj.67.192

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  • Electroless Plating Method Using Supercritical Carbon Dioxide Emulsion

    UCHIYAMA Hiroki, CHANG Tso-Fu Mark, CHEN Chun-yi, SONE Masato

    Journal of The Surface Finishing Society of Japan   67 ( 4 )   192 - 196   2016

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    Language：Japanese   Publisher：The Surface Finishing Society of Japan  

    DOI： 10.4139/sfj.67.192

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  • P-OS7-10 Synthesis of TNTZO Nanotubes and Evaluation of Photocatalytic Activity

    Chimoto Fumihiko, Chen Chun-Yi, Katsumata Ken-ichi, Okada Kiyoshi, Matsushita Nobuhiro

    The Proceedings of the Symposium on Micro-Nano Science and Technology   2012.4   313 - 314   2012

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    Language：Japanese   Publisher：The Japan Society of Mechanical Engineers  

    A new β phase Ti-29Nb-13Ta-4.6Zr (TNTZ) alloy was developed for biomedical materials. Since TNTZ alloy is bioinert, several studies have been reported grow the bioactive oxide layer on TNTZ surface. In this study, the nanotube arrays were fabricated on TNTZ surface by a anodization, and their structural and crystallographic were investigated. The crystallized TNTZO nanotube arrays in anatase phase were obtained after annealing at 500℃ for 3h though as-anodized TNTZO was amorphous. The photocatalytic activity of the crystallized TNTZO nanotubes was evaluated by degradation of gaseous acetaldehyde in air under UV light irradiation, and degradation of gaseous acetaldehyde was observed.

    DOI： 10.1299/jsmemnm.2012.4.313

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  • P-OS7-10 Synthesis of TNTZO Nanotubes and Evaluation of Photocatalytic Activity

    Chimoto Fumihiko, Chen Chun-Yi, Katsumata Ken-ichi, Matsushita Nobuhiro, Okada Kiyoshi

    The Proceedings of the Symposium on Micro-Nano Science and Technology   2012.4   313 - 314   2012

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    Language：Japanese   Publisher：The Japan Society of Mechanical Engineers  

    A new β phase Ti-29Nb-13Ta-4.6Zr (TNTZ) alloy was developed for biomedical materials. Since TNTZ alloy is bioinert, several studies have been reported grow the bioactive oxide layer on TNTZ surface. In this study, the nanotube arrays were fabricated on TNTZ surface by a anodization, and their structural and crystallographic were investigated. The crystallized TNTZO nanotube arrays in anatase phase were obtained after annealing at 500℃ for 3h though as-anodized TNTZO was amorphous. The photocatalytic activity of the crystallized TNTZO nanotubes was evaluated by degradation of gaseous acetaldehyde in air under UV light irradiation, and degradation of gaseous acetaldehyde was observed.

    DOI： 10.1299/jsmemnm.2012.4.313

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  • P-OS7-10 Synthesis of TNTZO Nanotubes and Evaluation of Photocatalytic Activity

    Chimoto Fumihiko, Chen Chun-Yi, Katsumata Ken-ichi, Matsushita Nobuhiro, Okada Kiyoshi

    The Proceedings of the Symposium on Micro-Nano Science and Technology   2012.4   313 - 314   2012

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    Language：Japanese   Publisher：The Japan Society of Mechanical Engineers  

    A new β phase Ti-29Nb-13Ta-4.6Zr (TNTZ) alloy was developed for biomedical materials. Since TNTZ alloy is bioinert, several studies have been reported grow the bioactive oxide layer on TNTZ surface. In this study, the nanotube arrays were fabricated on TNTZ surface by a anodization, and their structural and crystallographic were investigated. The crystallized TNTZO nanotube arrays in anatase phase were obtained after annealing at 500℃ for 3h though as-anodized TNTZO was amorphous. The photocatalytic activity of the crystallized TNTZO nanotubes was evaluated by degradation of gaseous acetaldehyde in air under UV light irradiation, and degradation of gaseous acetaldehyde was observed.

    DOI： 10.1299/jsmemnm.2012.4.313

    CiNii Research

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Presentations

  • Ti-Nb-Ta-Zr-O Nanotubes Array by Anodization and Its Application for Photoelectrochemical Water Splitting Invited

    The 2023 International Conference on Green Electrochemical Technologies and The 2023 Annual Meeting of Electrochemical Society of Taiwan  2023.10 

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    Event date： 2023.10

    Language：English   Presentation type：Oral presentation (invited, special)  

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  • TNTZO Nanotubes: Interfacial Charge Dynamics and Solar Hydrogen Production Invited

    3-day International Conference on Materials Science  2022.10 

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    Event date： 2022.10

    Language：English   Presentation type：Oral presentation (invited, special)  

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  • Anodic Ti-Nb-Ta-Zr-O Nanotubes Array and Its Application forPhotoelectrochemical Water Splitting Invited

    IUMRS-ICA  2017.11 

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    Event date： 2017.11

    Language：English   Presentation type：Oral presentation (invited, special)  

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  • Plasmonic Au@Cu7S4 Yolk@shell Nanocrystals for Photocatalytic Hydrogen Production Invited

    Chun-Yi Chen

    The 4th International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture (DEJl2MA2024)  2024.10 

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    Language：English   Presentation type：Oral presentation (invited, special)  

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  • Dual-Plasmonic Au@Cu4S7 Yolk@Shell Nanostructures for Enhanced Photocatalytic Hydrogen Production Invited

    Chun-Yi Chen

    SmartMat 2024  2024.11 

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    Language：English   Presentation type：Oral presentation (invited, special)  

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  • Anodic TiO2 nanotubes: Synthesis and Application Invited

    ISAMR 2015  2015.8 

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    Language：English   Presentation type：Oral presentation (invited, special)  

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  • Fabrication of Inorganic Nanomaterials by Electrochemical Methods Invited

    UC Santa Cruz  2016.4 

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    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

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  • Enhanced Mechanical property of Metallic Films with Supercritical Carbon Dioxide for Micro-Electrical-Mechanical System Accelerometer Invited

    TSCFA  2016.9 

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    Language：English   Presentation type：Oral presentation (invited, special)  

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  • High Compressive Strength Au film Fabricated by Advanced Electrochemical Technique in Supercritical CO2 Emulsified Electrolyte for MEMS Accelerometers Invited

    2nd International Conference and Expo on Separation Techniques  2016.9 

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    Language：English   Presentation type：Oral presentation (invited, special)  

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  • 高感度MEMS加速度感測器之材料開發與帕金森氏症早期篩檢應用

    2018.3 

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    Presentation type：Public lecture, seminar, tutorial, course, or other speech  

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  • Electrodeposition of Gold-based Materials for Applications in MEMS”, International Conference on Smart Sensors Invited

    International Conference on Smart Sensors  2018.6 

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  • Bioactive Titanium Oxide Nanostructures Fabricated by Hydrothermal-assisted Anodization Invited

    台湾国立清華大学  2012.10 

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    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

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Awards

  • 若手奨励研究優秀賞

    2014.6   JXエネルギー  

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  • Best Poster Award

    2017.11   IUMRS International Conference in Asia 2017  

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  • 優秀論文賞

    2017.10   台湾超臨界協会  

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  • Excellent Poster Presentation Award

    2015.12   Taiwan Institute of Chemical Engineers Annual Conference  

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  • Poster Award of Excellence

    2015.11   International Thin Films Conference  

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  • Best paper award

    2014.11   10th International Symposium on Electrochemical Micro & Nano System Technologies  

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  • Best Paper Award

    2012.11  

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  • 研究奨励

    2012.5   .公益財団法人加藤科学振興会  

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  • Best Presentation Award

    2011.6   Joint Conference of 5th International Conference on Science and Technology for Advanced Ceramics and 2nd International Conference of Novel Structured Metallic and Inorganic Materials  

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  • Best Poster Award

    2010.10   13th Asia Pacific Confederation of Chemical Engineering Congress  

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Research Projects

  • 可視近赤外光応答ヨーク-シェル型二重プラズモニック光触媒の創製と水素変換機構解明

    Grant number：26K01207  2026.4 - 2030.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    陳 君怡

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    Grant amount：\24700000 （ Direct Cost: \19000000 、 Indirect Cost：\5700000 ）

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  • 可視-近赤外光に反応する高量子収率の新規光触媒を開発

    2024.9 - 2025.8

    村田学術振興財団  村田学術振興財団研究助成 

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    Authorship：Principal investigator 

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  • 階層的ヘテロナノ構造を持つ終日活性光触媒の材料設計と創成

    2024.7 - 2025.7

    加藤科学振興会  加藤科学振興会研究助成 

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    Authorship：Principal investigator 

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  • Anodic Ti-Nb-Ta-Zr-O Nanotubes Array by Anodization and Its Application for Photoelectrochemical Water Splitting

    2023.10

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  • Au Metallized Polyethylene terephthalate (PET) by Supercritical CO2-assisted Metallization toward Flexible Electrochemical Biosensors

    2023.8

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  • Anodized Ti-Nb-Ta-Zr-O nanotubes: Interfacial charge dynamics and solar hydrogen production

    Grant number：23K04369  2023.4 - 2027.3

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    陳 君怡

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    Grant amount：\4810000 （ Direct Cost: \3700000 、 Indirect Cost：\1110000 ）

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  • TNTZO nanotubes photocatalyst fabricated by one-step anodization method

    Grant number：18K14085  2018.4 - 2023.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists  Grant-in-Aid for Early-Career Scientists

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    Grant amount：\4160000 （ Direct Cost: \3200000 、 Indirect Cost：\960000 ）

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  • Pulse Electroplating of Fine Grained Gold and Gold Alloy Films with High Compressive Strength for MEMS Application

    2016.6

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  • Anodic TiO2 nanotubes: Synthesis and Application

    2015.8

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  • Two-Dimensional Layered Metal Sulfide Nanosheets for New Generation of Lithium Ion Batteries

    2014.6 - 2015.3

    JXエネルギー  若手奨励研究 

    陳 君怡

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  • Functional Titanium Oxide Nanostructures Fabricated by Hydrothermal-assisted Anodization

    2012.4 - 2013.3

    Functional Titanium Oxide Nanostructures Fabricated by Hydrothermal-assisted Anodization

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