The University of Tokyo   Department of Advanced Materials Science, School of Frontier Sciences   Associate Professor

2013.5 - 2023.3

Osaka University   The Institute of Scientific and Industrial Research   Associate Professor

2012.7 - 2013.4

Osaka University   The Institute of Scientific and Industrial Research   Project Associate Professor

2010.11 - 2012.7

The University of Tokyo   Department of Chemistry, Graduate School of Science   Project Assistant Professor

2009.4 - 2010.10

Riken   Advanced Science Institute   Researcher

2008.4 - 2009.3

Riken   Frontier Research System   Researcher

2007.10 - 2008.3

Stanford University   Department of Chemical Engineering   Postdoctral

2005.4 - 2007.9

Japan Society for the Promotion of Science   Research Fellowship for Young Scientists (SPD)

2003.4 - 2006.3

Nagoya University   Department of Chemistry, Graduate School of Science

2003.4 - 2005.3

Employment of Alkoxy Sidechains in Semicrystalline Semiconducting Polymers for Ambient-Stable p-Doped Conjugated Polymers

Kurosawa, T., Yamashita, Y., Kobayashi, Y., Yu, C.P., Kumagai, S., Mikie, T., Osaka, I., Watanabe, S., Takeya, J., Okamoto, T.

Macromolecules   57 ( 1 )   328 - 338   2024

Thiophene-fused fulminenes (FuDTs): promising platforms for high-mobility organic semiconductors with a zigzag shape

Shohei Kumagai, Takumi Ishida, Shin Kakiuchi, Masakazu Yamagishi, Hiroyasu Sato, Hiroyuki Ishii, Yasushi Nishihara, Toshihiro Okamoto

Chemical Communications   60 ( 79 )   11152 - 11155   2024

Powder x-ray diffraction analysis with machine learning for organic-semiconductor crystal-structure determination

Niitsu, N., Mitani, M., Ishii, H., Kobayashi, N., Hirose, K., Watanabe, S., Okamoto, T., Takeya, J.

Applied Physics Letters   125 ( 1 )   2024

Untangling the Fundamental Electronic Origins of Non-Local Electron–Phonon Coupling in Organic Semiconductors

Peter A. Banks, Gabriele D'Avino, Guillaume Schweicher, Jeff Armstrong, Christian Ruzié, Jong Won Chung, Jeong Il Park, Chizuru Sawabe, Toshihiro Okamoto, Jun Takeya, Henning Sirringhaus, Michael T. Ruggiero

Advanced Functional Materials   33 ( 38 )   2023.9

Asymmetrically Functionalized Electron‐Deficient π‐Conjugated System for Printed Single‐Crystalline Organic Electronics

Craig P. Yu, Shohei Kumagai, Michitsuna Tsutsumi, Tadanori Kurosawa, Hiroyuki Ishii, Go Watanabe, Daisuke Hashizume, Hiroki Sugiura, Yukio Tani, Toshihiro Ise, Tetsuya Watanabe, Hiroyasu Sato, Jun Takeya, Toshihiro Okamoto

Advanced Science   10 ( 29 )   2023.9

Crown ether salt-doped ladder-type conducting polymers for air-stable n-type thermoelectric materials. Reviewed International journal

Ryoto Yura, Shohei Kumagai, Kiyohiro Adachi, Daisuke Hashizume, Toshihiro Okamoto, Yoshiyuki Nonoguchi

Chemical communications (Cambridge, England)   59 ( 37 )   5531 - 5534   2023.4

Electron‐Deficient Benzo[de]isoquinolino[1,8‐gh]quinoline Diamide π‐Electron Systems Reviewed

Craig P. Yu, Akito Yamamoto, Shohei Kumagai, Jun Takeya, Toshihiro Okamoto

Angewandte Chemie   62 ( 4 )   2023.1

Individual and synergetic charge transport properties at the solid and electrolyte interfaces of a single ultrathin single crystal of organic semiconductors

Taehyun Won, Shohei Kumagai, Naotaka Kasuya, Yu Yamashita, Shun Watanabe, Toshihiro Okamoto, Jun Takeya

Physical Chemistry Chemical Physics   25 ( 20 )   14496 - 14501   2023

Electrostatically-sprayed carbon electrodes for high performance organic complementary circuits

Kazuyoshi Watanabe, Naoki Miura, Hiroaki Taguchi, Takeshi Komatsu, Hideyuki Nosaka, Toshihiro Okamoto, Shun Watanabe, Jun Takeya

Scientific Reports   12 ( 1 )   2022.12

Improvement of contact resistance at carbon electrode/organic semiconductor interfaces through chemical doping

Kazuyoshi Watanabe, Naoki Miura, Hiroaki Taguchi, Takeshi Komatsu, Hideyuki Nosaka, Toshihiro Okamoto, Yu Yamashita, Shun Watanabe, Jun Takeya

Applied Physics Express   15 ( 10 )   101005 - 101005   2022.10

π‐Extended Zigzag‐Shaped Diphenanthrene‐Based p‐Type Semiconductors Exhibiting Small Effective Masses

Masato Mitani, Shohei Kumagai, Craig P. Yu, Ayako Oi, Masakazu Yamagishi, Shuhei Nishinaga, Hiroki Mori, Yasushi Nishihara, Daisuke Hashizume, Tadanori Kurosawa, Hiroyuki Ishii, Nobuhiko Kobayashi, Jun Takeya, Toshihiro Okamoto

Advanced Electronic Materials   2200452 - 2200452   2022.7

Regioselective Functionalization of Nitrogen-Embedded Perylene Diimides for High-Performance Organic Electron-Transporting Materials

Kumagai, S., Koguma, T., Annaka, T., Sawabe, C., Tani, Y., Sugiura, H., Watanabe, T., Hashizume, D., Takeya, J., Okamoto, T.

Bulletin of the Chemical Society of Japan   95 ( 6 )   953 - 960   2022.6

Mixed-Orbital Charge Transport in N-Shaped Benzene- and Pyrazine-Fused Organic Semiconductors

Craig P. Yu, Shohei Kumagai, Tomokatsu Kushida, Masato Mitani, Chikahiko Mitsui, Hiroyuki Ishii, Jun Takeya, Toshihiro Okamoto

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   144 ( 25 )   11159 - 11167   2022.6

Naphthobispyrazine Bisimide: A Strong Acceptor Unit for Conjugated Polymers Enabling Highly Coplanar Backbone, Short π-πStacking, and High Electron Transport

Tsubasa Mikie, Kenta Okamoto, Yuka Iwasaki, Tomoyuki Koganezawa, Masatomo Sumiya, Toshihiro Okamoto, Itaru Osaka

Chemistry of Materials   34 ( 6 )   2717 - 2729   2022.3

Nitrogen-Containing Perylene Diimides: Molecular Design, Robust Aggregated Structures, and Advances in n-Type Organic Semiconductors. Reviewed International journal

Shohei Kumagai, Hiroyuki Ishii, Go Watanabe, Craig P Yu, Shun Watanabe, Jun Takeya, Toshihiro Okamoto

Accounts of chemical research   55 ( 5 )   660 - 672   2022.3

Scattering mechanism of hole carriers in organic molecular semiconductors deduced from analyses of terahertz absorption spectra using Drude–Anderson model

Y. Han, T. Miyamoto, T. Otaki, N. Takamura, N. Kida, N. Osakabe, J. Tsurumi, S. Watanabe, T. Okamoto, J. Takeya, H. Okamoto

Applied Physics Letters   120 ( 5 )   053302 - 053302   2022.1

Electronic excitation spectra of organic semiconductor/ionic liquid interface by electrochemical attenuated total reflectance spectroscopy Reviewed

Ichiro Tanabe, Iroha Imoto, Daijiro Okaue, Masaya Imai, Shohei Kumagai, Tatsuyuki Makita, Masato Mitani, Toshihiro Okamoto, Jun Takeya, Ken-ichi Fukui

Communications Chemistry   4 ( 1 )   2021.12

Strong and Atmospherically Stable Dicationic Oxidative Dopant. Reviewed International journal

Tadanori Kurosawa, Toshihiro Okamoto, Yu Yamashita, Shohei Kumagai, Shun Watanabe, Jun Takeya

Advanced science (Weinheim, Baden-Wurttemberg, Germany)   8 ( 24 )   e2101998   2021.12

Approaching isotropic charge transport of n-type organic semiconductors with bulky substituents Reviewed

Craig P. Yu, Naoya Kojima, Shohei Kumagai, Tadanori Kurosawa, Hiroyuki Ishii, Go Watanabe, Jun Takeya, Toshihiro Okamoto

COMMUNICATIONS CHEMISTRY   4 ( 1 )   2021.11

Two-dimensional hole gas in organic semiconductors. International journal

Naotaka Kasuya, Junto Tsurumi, Toshihiro Okamoto, Shun Watanabe, Jun Takeya

Nature materials   20 ( 10 )   1401 - 1406   2021.10

Manipulations of chiroptical properties in belt‐persistent cycloarylenes via desymmetrization with heteroatom doping International journal

Toshiya M. Fukunaga, Chizuru Sawabe, Taisuke Matsuno, Jun Takeya, Toshihiro Okamoto, Hiroyuki Isobe

Angewandte Chemie International Edition   60 ( 35 )   19097 - 19101   2021.6

Nano-Ground Glass as a Superhydrophilic Template for Printing High-Performance Organic Single-Crystal Thin Films

Tatsuyuki Makita, Yoma Ninomiya, Shohei Kumagai, Toshihiro Okamoto, Mari Sasaki, Shun Watanabe, Jun Takeya

Advanced Materials Interfaces   8 ( 10 )   2021.5

Supramolecular cocrystals built through redox-triggered ion intercalation in pi-conjugated polymers

Yu Yamashita, Junto Tsurumi, Tadanori Kurosawa, Kan Ueji, Yukina Tsuneda, Shinya Kohno, Hideto Kempe, Shohei Kumagai, Toshihiro Okamoto, Jun Takeya, Shun Watanabe

COMMUNICATIONS MATERIALS   2 ( 1 )   2021.4

Chrysenodithiophene-Based Conjugated Polymer: An Elongated Fused π-Electronic Backbone with a Unique Orbital Structure Toward Efficient Intermolecular Carrier Transport

Tadanori Kurosawa, Toshihiro Okamoto, Dinghai Cen, Daiji Ikeda, Hiroyuki Ishii, Jun Takeya

Macromolecules   54 ( 5 )   2113 - 2123   2021.3

Role of Perfluorophenyl Group in the Side Chain of Small-Molecule n-Type Organic Semiconductors in Stress Stability of Single-Crystal Transistors. International journal

Shohei Kumagai, Craig P Yu, Shunsuke Nakano, Tatsuro Annaka, Masato Mitani, Masafumi Yano, Hiroyuki Ishii, Jun Takeya, Toshihiro Okamoto

The journal of physical chemistry letters   12 ( 8 )   2095 - 2101   2021.3

Surface Doping of Organic Single-Crystal Semiconductors to Produce Strain-Sensitive Conductive Nanosheets. International journal

Shun Watanabe, Ryohei Hakamatani, Keita Yaegashi, Yu Yamashita, Han Nozawa, Mari Sasaki, Shohei Kumagai, Toshihiro Okamoto, Cindy G Tang, Lay-Lay Chua, Peter K H Ho, Jun Takeya

Advanced science (Weinheim, Baden-Wurttemberg, Germany)   8 ( 3 )   2002065 - 2002065   2021.2

Evaluations of nonlocal electron-phonon couplings in tetracene, rubrene, and C10−DNBDT−NW based on density functional theory

Takashi Otaki, Tsubasa Terashige, Junto Tsurumi, Tatsuya Miyamoto, Noriaki Kida, Shun Watanabe, Toshihiro Okamoto, Jun Takeya, Hiroshi Okamoto

Physical Review B   102 ( 24 )   2020.12

Sub-molecular structural relaxation at a physisorbed interface with monolayer organic single-crystal semiconductors

Akifumi Yamamura, Hiromasa Fujii, Hirohito Ogasawara, Dennis Nordlund, Osamu Takahashi, Yuutaro Kishi, Hiroyuki Ishii, Nobuhiko Kobayashi, Naoyuki Niitsu, Balthasar Blülle, Toshihiro Okamoto, Yusuke Wakabayashi, Shun Watanabe, Jun Takeya

Communications Physics   3 ( 1 )   2020.12

Coherent Electron Transport in Air-Stable, Printed Single-Crystal Organic Semiconductor and Application to Megahertz Transistors. International journal

Shohei Kumagai, Shun Watanabe, Hiroyuki Ishii, Nobuaki Isahaya, Akifumi Yamamura, Takahiro Wakimoto, Hiroyasu Sato, Akihito Yamano, Toshihiro Okamoto, Jun Takeya

Advanced materials (Deerfield Beach, Fla.)   32 ( 50 )   e2003245   2020.11

Cooperative Aggregations of Nitrogen-Containing Perylene Diimides Driven by Rigid and Flexible Functional Groups

Shohei Kumagai, Hiroyuki Ishii, Go Watanabe, Tatsuro Annaka, Eiji Fukuzaki, Yukio Tani, Hiroki Sugiura, Tetsuya Watanabe, Tadanori Kurosawa, Jun Takeya, Toshihiro Okamoto

Chemistry of Materials   32 ( 21 )   9115 - 9125   2020.11

Correlation between the static and dynamic responses of organic single-crystal field-effect transistors. International journal

Taiki Sawada, Akifumi Yamamura, Mari Sasaki, Kayo Takahira, Toshihiro Okamoto, Shun Watanabe, Jun Takeya

Nature communications   11 ( 1 )   4839 - 4839   2020.9

Alkyl-Substituted Selenium-Bridged V-Shaped Organic Semiconductors Exhibiting High Hole Mobility and Unusual Aggregation Behavior. International journal

Toshihiro Okamoto, Masato Mitani, Craig P Yu, Chikahiko Mitsui, Masakazu Yamagishi, Hiroyuki Ishii, Go Watanabe, Shohei Kumagai, Daisuke Hashizume, Shota Tanaka, Masafumi Yano, Tomokatsu Kushida, Hiroyasu Sato, Kunihisa Sugimoto, Takashi Kato, Jun Takeya

Journal of the American Chemical Society   142 ( 35 )   14974 - 14984   2020.9

Electroless-Plated Gold Contacts for High-Performance, Low Contact Resistance Organic Thin Film Transistors

Makita, T., Nakamura, R., Sasaki, M., Kumagai, S., Okamoto, T., Watanabe, S., Takeya, J.

Advanced Functional Materials   30 ( 39 )   2003977 - 2003977   2020.9

Effect of Electronically Distinct Aromatic Substituents on the Molecular Assembly and Hole Transport of V-Shaped Organic Semiconductors

Craig P. Yu, Masato Mitani, Hiroyuki Ishii, Masakazu Yamagishi, Hiroki Kitamura, Masafumi Yano, Jun Takeya, Toshihiro Okamoto

JOURNAL OF PHYSICAL CHEMISTRY C   124 ( 32 )   17503 - 17511   2020.8

Low-voltage complementary inverters using solution-processed, high-mobility organic single-crystal transistors fabricated by polymer-blend printing

Sawada, T., Makita, T., Yamamura, A., Sasaki, M., Yoshimura, Y., Hayakawa, T., Okamoto, T., Watanabe, S., Kumagai, S., Takeya, J.

Applied Physics Letters   117 ( 3 )   2020.7

Bent-Shaped p-Type Small-Molecule Organic Semiconductors: A Molecular Design Strategy for Next-Generation Practical Applications. International journal

Toshihiro Okamoto, Craig P Yu, Chikahiko Mitsui, Masakazu Yamagishi, Hiroyuki Ishii, Jun Takeya

Journal of the American Chemical Society   142 ( 20 )   9083 - 9096   2020.5

Robust, high-performance n-type organic semiconductors. Reviewed International journal

Toshihiro Okamoto, Shohei Kumagai, Eiji Fukuzaki, Hiroyuki Ishii, Go Watanabe, Naoyuki Niitsu, Tatsuro Annaka, Masakazu Yamagishi, Yukio Tani, Hiroki Sugiura, Tetsuya Watanabe, Shun Watanabe, Jun Takeya

Science advances   6 ( 18 )   eaaz0632   2020.5

Damage-free Metal Electrode Transfer to Monolayer Organic Single Crystalline Thin Films. International journal

Tatsuyuki Makita, Akifumi Yamamura, Junto Tsurumi, Shohei Kumagai, Tadanori Kurosawa, Toshihiro Okamoto, Mari Sasaki, Shun Watanabe, Jun Takeya

Scientific reports   10 ( 1 )   4702 - 4702   2020.3

High-Speed Organic Single-Crystal Transistor Responding to Very High Frequency Band

Akifumi Yamamura, Takaaki Sakon, Kayo Takahira, Takahiro Wakimoto, Mari Sasaki, Toshihiro Okamoto, Shun Watanabe, Jun Takeya

Advanced Functional Materials   30 ( 11 )   2020.3

Charge mobility calculation of organic semiconductors without use of experimental single-crystal data. Reviewed International journal

Hiroyuki Ishii, Shigeaki Obata, Naoyuki Niitsu, Shun Watanabe, Hitoshi Goto, Kenji Hirose, Nobuhiko Kobayashi, Toshihiro Okamoto, Jun Takeya

Scientific reports   10 ( 1 )   2524 - 2524   2020.2

High-performance, semiconducting membrane composed of ultrathin, single-crystal organic semiconductors. Reviewed International journal

Tatsuyuki Makita, Shohei Kumagai, Akihito Kumamoto, Masato Mitani, Junto Tsurumi, Ryohei Hakamatani, Mari Sasaki, Toshihiro Okamoto, Yuichi Ikuhara, Shun Watanabe, Jun Takeya

Proceedings of the National Academy of Sciences of the United States of America   117 ( 1 )   80 - 85   2020.1

Band-like transporting and thermally durable V-shaped organic semiconductors with a phenyl key block Reviewed

Chizuru Sawabe, Shohei Kumagai, Masato Mitani, Hiroyuki Ishii, Masakazu Yamagishi, Hajime Sagayama, Reiji Kumai, Hiroyasu Sato, Jun Takeya, Toshihiro Okamoto

Journal of Materials Chemistry C   8 ( 40 )   14172 - 14179   2020

Scalable Fabrication of Organic Single-Crystalline Wafers for Reproducible TFT Arrays. Reviewed International journal

Shohei Kumagai, Akifumi Yamamura, Tatsuyuki Makita, Junto Tsurumi, Ying Ying Lim, Takahiro Wakimoto, Nobuaki Isahaya, Han Nozawa, Kayoko Sato, Masato Mitani, Toshihiro Okamoto, Shun Watanabe, Jun Takeya

Scientific reports   9 ( 1 )   15897 - 15897   2019.11

Evaluating intrinsic mobility from transient terahertz conductivity spectra of microcrystal samples of organic molecular semiconductors Reviewed

H. Yada, H. Sekine, T. Miyamoto, T. Terashige, R. Uchida, T. Otaki, F. Maruike, N. Kida, T. Uemura, S. Watanabe, T. Okamoto, J. Takeya, H. Okamoto

Applied Physics Letters   115 ( 14 )   2019.9

Next-generation organic semiconductors driven by bent-shaped π-electron cores

Toshihiro Okamoto

Polymer Journal   51 ( 9 )   825 - 833   2019.9

Efficient molecular doping of polymeric semiconductors driven by anion exchange. Reviewed International journal

Yu Yamashita, Junto Tsurumi, Masahiro Ohno, Ryo Fujimoto, Shohei Kumagai, Tadanori Kurosawa, Toshihiro Okamoto, Jun Takeya, Shun Watanabe

Nature   572 ( 7771 )   634 - 638   2019.8

Air-Stable Benzo[ c]thiophene Diimide n-Type π-Electron Core Reviewed

Craig P. Yu, Ryoya Kimura, Tadanori Kurosawa, Eiji Fukuzaki, Tetsuya Watanabe, Hiroyuki Ishii, Shohei Kumagai, Masafumi Yano, Jun Takeya, Toshihiro Okamoto

Organic Letters   21 ( 12 )   4448 - 4453   2019.6

Bis[1]benzothieno[5,4-d:5¤,4¤-d¤]benzo[1,2-b:4,5-b¤]dithiophene Derivatives: Synthesis and effect of sulfur positions on their transistor properties Reviewed

Shuhei Nishinaga, Masato Mitani, Hiroki Mori, Toshihiro Okamoto, Jun Takeya, Yasushi Nishihara

Bulletin of the Chemical Society of Japan   92 ( 6 )   1107 - 1116   2019

Formation of pores and π-stacked columns in benzothienobenzothiophene-based linear coordination polymers Reviewed

Shohei Koyama, Hiroaki Iguchi, Shinya Takaishi, Goulven Cosquer, Shohei Kumagai, Jun Takeya, Toshihiro Okamoto, Masahiro Yamashita

Chemistry Letters   48 ( 8 )   756 - 759   2019

Remarkably low flicker noise in solution-processed organic single crystal transistors Reviewed

Shun Watanabe, Hirotaka Sugawara, Roger Häusermann, Balthasar Blülle, Akifumi Yamamura, Toshihiro Okamoto, Jun Takeya

Communications Physics   1 ( 1 )   2018.12

Oxygen- and Sulfur-bridged L-shaped π-Conjugated Molecules: Synthesis, Aggregated Structures, and Charge Transporting Behavior Reviewed

Toshihiro Okamoto, Hiroaki Dosei, Masato Mitani, Yoshinori Murata, Hiroyuki Ishii, Ken ichi Nakamura, Masakazu Yamagishi, Masafumi Yano, Jun Takeya

Asian Journal of Organic Chemistry   7 ( 11 )   2309 - 2314   2018.11

Wafer-scale, layer-controlled organic single crystals for high-speed circuit operation Reviewed

Akifumi Yamamura, Shun Watanabe, Mayumi Uno, Masato Mitani, Chikahiko Mitsui, Junto Tsurumi, Nobuaki Isahaya, Yusuke Kanaoka, Toshihiro Okamoto, Jun Takeya

Science Advances   4 ( 2 )   2018.2

Zigzag-Elongated Fused π-Electronic Core: A Molecular Design Strategy to Maximize Charge-Carrier Mobility Reviewed

Akito Yamamoto, Yoshinori Murata, Chikahiko Mitsui, Hiroyuki Ishii, Masakazu Yamagishi, Masafumi Yano, Hiroyasu Sato, Akihito Yamano, Jun Takeya, Toshihiro Okamoto

Advanced Science   5 ( 1 )   1700317   2018.1

Molecular technology for organic semiconductors toward printed and flexible electronics

Okamoto, T.

Molecular Technology: Energy Innovation   1-4   2018

End-capping π-conjugated systems with medium-sized sulfur-containing rings: A route towards solution-processable air-stable semiconductors Reviewed

Aiko Fukazawa, Yusuke Toda, Masahiro Hayakawa, Anna Sekioka, Hiroyuki Ishii, Toshihiro Okamoto, Jun Takeya, Yuh Hijikata, Shigehiro Yamaguchi

Chemistry - A European Journal   24 ( 44 )   11503 - 11510   2018

Precise engineering of quantum dot array coupling through their barrier widths Reviewed

Ignacio Piquero-Zulaica, Jorge Lobo-Checa, Ali Sadeghi, Zakaria M.Abd El-Fattah, Chikahiko Mitsui, Toshihiro Okamoto, Rémy Pawlak, Tobias Meier, Andrés Arnau, J. Enrique Ortega, Jun Takeya, Stefan Goedecker, Ernst Meyer, Shigeki Kawai

Nature Communications   8 ( 1 )   787   2017.12

Boron-Stabilized Planar Neutral π-Radicals with Well-Balanced Ambipolar Charge-Transport Properties Reviewed

Tomokatsu Kushida, Shusuke Shirai, Naoki Ando, Toshihiro Okamoto, Hiroyuki Ishii, Hiroyuki Matsui, Masakazu Yamagishi, Takafumi Uemura, Junto Tsurumi, Shun Watanabe, Jun Takeya, Shigehiro Yamaguchi

Journal of the American Chemical Society   139 ( 41 )   14336 - 14339   2017.10

Coexistence of ultra-long spin relaxation time and coherent charge transport in organic single-crystal semiconductors Reviewed

Junto Tsurumi, Hiroyuki Matsui, Takayoshi Kubo, Roger Häusermann, Chikahiko Mitsui, Toshihiro Okamoto, Shun Watanabe, Jun Takeya

Nature Physics   13 ( 10 )   994 - 998   2017.10

Solution-processed organic–inorganic hybrid CMOS inverter exhibiting a high gain reaching 890 Reviewed

Shohei Kumagai, Hiroko Murakami, Kotaro Tsuzuku, Tatsuyuki Makita, Chikahiko Mitsui, Toshihiro Okamoto, Shun Watanabe, Jun Takeya

Organic Electronics   48   127 - 131   2017.9

Application of Spontaneously Formed Interface between Organic Semiconductor Single Crystals/Polymer for Organic–Inorganic Hybrid CMOS Inverter

Makita Tatsuyuki, Kumagai Shohei, Tsuzuku Koutaro, Sasaki Mari, Watanabe Shun, Hayakawa Teruaki, Okamoto Toshihiro, Takeya Jun

JSAP Annual Meetings Extended Abstracts   2017.2   2527 - 2527   2017.8

Painting Integrated Complementary Logic Circuits for Single-Crystal Organic Transistors: A Demonstration of a Digital Wireless Communication Sensing Tag Reviewed

Akifumi Yamamura, Hiroyuki Matsui, Mayumi Uno, Nobuaki Isahaya, Yuki Tanaka, Makoto Kudo, Masataka Ito, Chikahiko Mitsui, Toshihiro Okamoto, Jun Takeya

Advanced Electronic Materials   3 ( 7 )   2017.7

Spontaneously formed high-performance charge-transport layers of organic single-crystal semiconductors on precisely synthesized insulating polymers Reviewed

Tatsuyuki Makita, Masayuki Sasaki, Tatsuro Annaka, Mari Sasaki, Hiroyuki Matsui, Chikahiko Mitsui, Shohei Kumagai, Shun Watanabe, Teruaki Hayakawa, Toshihiro Okamoto, Jun Takeya

Applied Physics Letters   110 ( 16 )   2017.4

High performance solution-crystallized thin-film transistors based on V-shaped thieno[3,2-f:4,5-f ']bis[1]benzothiophene semiconductors Reviewed

Chikahiko Mitsui, Hiroaki Tsuyama, Ryoji Shikata, Yoshinori Murata, Hiroyuki Kuniyasu, Masakazu Yamagishi, Hiroyuki Ishii, Akito Yamamoto, Yuri Hirose, Masafumi Yano, Tsunayoshi Takehara, Takeyuki Suzuki, Hiroyasu Sato, Akihito Yamano, Eiji Fukuzaki, Tetsuya Watanabe, Yoshihisa Usami, Jun Takeya, Toshihiro Okamoto

JOURNAL OF MATERIALS CHEMISTRY C   5 ( 8 )   1903 - 1909   2017.2

Alkylated oxygen-bridged V-shaped molecules: Impacts of the substitution position and length of the alkyl chains on the crystal structures and fundamental properties in aggregated forms Reviewed

Chikahiko Mitsui, Tatsuro Annaka, Ken Ichi Nakamura, Masato Mitani, Daisuke Hashizume, Katsumasa Nakahara, Masakazu Yamagishi, Takanari Ueno, Yuji Tanaka, Masafumi Yano, Daichi Iwasawa, Miki Hasegawa, Hiroyasu Sato, Akihito Yamano, Jun Takeya, Toshihiro Okamoto

Polymer Journal   49 ( 1 )   215 - 221   2017.1

Impact of phenyl groups on oxygen-bridged V-shaped organic semiconductors Reviewed

Chikahiko Mitsui, Wataru Kubo, Yuji Tanaka, Masakazu Yamagishi, Tatsuro Annaka, Hiroaki Dosei, Masafumi Yano, Ken Ichi Nakamura, Daichi Iwasawa, Miki Hasegawa, Tsunayoshi Takehara, Takeyuki Suzuki, Hiroyasu Sato, Akihito Yamano, Jun Takeya, Toshihiro Okamoto

Chemistry Letters   46 ( 3 )   338 - 341   2017

High performance solution-crystallized thin-film transistors based on V-shaped thieno[3,2-f:4,5-f′]bis[1]benzothiophene semiconductors Reviewed

Chikahiko Mitsui, Hiroaki Tsuyama, Ryoji Shikata, Yoshinori Murata, Hiroyuki Kuniyasu, Masakazu Yamagishi, Hiroyuki Ishii, Akito Yamamoto, Yuri Hirose, Masafumi Yano, Tsunayoshi Takehara, Takeyuki Suzuki, Hiroyasu Sato, Akihito Yamano, Eiji Fukuzaki, Tetsuya Watanabe, Yoshihisa Usami, Jun Takeya, Toshihiro Okamoto

Journal of Materials Chemistry C   5 ( 8 )   1903 - 1909   2017

Oxygen- and sulfur-bridged bianthracene V-shaped organic semiconductors Reviewed

Chikahiko Mitsui, Masakazu Yamagishi, Ryoji Shikata, Hiroyuki Ishii, Takeshi Matsushita, Katsumasa Nakahara, Masafumi Yano, Hiroyasu Sato, Akihito Yamano, Jun Takeya, Toshihiro Okamoto

Bulletin of the Chemical Society of Japan   90 ( 8 )   931 - 938   2017

Stable growth of large-area single crystalline thin films from an organic semiconductor/polymer blend solution for high-mobility organic field-effect transistors Reviewed

Junshi Soeda, Toshihiro Okamoto, Chikahiko Mitsui, Jun Takeya

Organic Electronics   39   127 - 132   2016.12

Organometallic Bonding in an Ullmann-Type On-Surface Chemical Reaction Studied by High-Resolution Atomic Force Microscopy Reviewed

Shigeki Kawai, Ali Sadeghi, Toshihiro Okamoto, Chikahiko Mitsui, Rémy Pawlak, Tobias Meier, Jun Takeya, Stefan Goedecker, Ernst Meyer

Small   ( 12 )   5303 - 5311   2016.10

Suppressing molecular vibrations in organic semiconductors by inducing strain Reviewed

Takayoshi Kubo, Roger Häusermann, Junto Tsurumi, Junshi Soeda, Yugo Okada, Yu Yamashita, Norihisa Akamatsu, Atsushi Shishido, Chikahiko Mitsui, Toshihiro Okamoto, Susumu Yanagisawa, Hiroyuki Matsui, Jun Takeya

Nature Communications   7 ( 7 )   11156   2016.4

Carrier Transport at the Phase Separation Interface between Organic Semiconductor Single Crystals and PMMA with Controlled Molecular Weight

Makita Tatsuyuki, Kishi Masayuki, Annaka Tatsuro, Sasaki Mari, Matsui Hiroyuki, Mitsui Chikahiko, Hayakawa Teruaki, Okamoto Toshihiro, Takeya Jun

JSAP Annual Meetings Extended Abstracts   2016.1   2437 - 2437   2016.3

High performance oxygen-bridged N-shaped semiconductors with a stabilized crystal phase and blue luminescence Reviewed

Chikahiko Mitsui, Yuji Tanaka, Shota Tanaka, Masakazu Yamagishi, Katsumasa Nakahara, Masafumi Yano, Hiroyasu Sato, Akihito Yamano, Hiroyuki Matsui, Jun Takeya, Toshihiro Okamoto

RSC Advances   6 ( 34 )   28966 - 28969   2016

Soluble 2,6-Bis(4-pentylphenylethynyl)anthracene as a High Hole Mobility Semiconductor for Organic Field-effect Transistors Reviewed

Yuta Takaki, Yutaka Wakayama, Yasushi Ishiguro, Ryoma Hayakawa, Masakazu Yamagishi, Toshihiro Okamoto, Jun Takeya, Kenji Yoza, Kenji Kobayashi

Chemistry Letters   45 ( 12 )   1403 - 1405   2016

Short-Channel Solution-Processed Organic Semiconductor Transistors and their Application in High-Speed Organic Complementary Circuits and Organic Rectifiers Reviewed

Mayumi Uno, Yusuke Kanaoka, Bu Sang Cha, Nobuaki Isahaya, Masaki Sakai, Hiroyuki Matsui, Chikahiko Mitsui, Toshihiro Okamoto, Jun Takeya, Tetsuya Kato, Masayuki Katayama, Yoshihisa Usami, Takeshi Yamakami

Advanced Electronic Materials   1 ( 12 )   2015.12

All solution-processed organic single-crystal transistors with high mobility and low-voltage operation Reviewed

S. Sakai, J. Soeda, R. Häusermann, H. Matsui, C. Mitsui, T. Okamoto, M. Ito, K. Hirose, T. Sekiguchi, T. Abe, M. Uno, J. Takeya

Organic Electronics   22   1 - 4   2015.7

Highly Oriented Polymer Semiconductor Films Compressed at the Surface of Ionic Liquids for High-Performance Polymeric Organic Field-Effect Transistors Reviewed

Junshi Soeda, Hiroyuki Matsui, Toshihiro Okamoto, Itaru Osaka, Kazuo Takimiya, Jun Takeya

Advanced Materials   26 ( 37 )   6430 - 6435   2014.10

High-Mobility Organic Transistors with Wet-Etch-Patterned Top Electrodes: A Novel Patterning Method for Fine-Pitch Integration of Organic Devices Reviewed

K. Nakayama, M. Uno, T. Uemura, N. Namba, Y. Kanaoka, T. Kato, M. Katayama, C. Mitsui, T. Okamoto, J. Takeya

Advanced Materials Interfaces   1 ( 5 )   2014.8

High-performance solution-processable N-shaped organic semiconducting materials with stabilized crystal phase Reviewed

Chikahiko Mitsui, Toshihiro Okamoto, Masakazu Yamagishi, Junto Tsurumi, Kazumi Yoshimoto, Katsumasa Nakahara, Junshi Soeda, Yuri Hirose, Hiroyasu Sato, Akihito Yamano, Takafumi Uemura, Jun Takeya

Advanced Materials   26 ( 26 )   4546 - 4551   2014.7

Solution-processed single-crystalline organic transistors on patterned ultrathin gate insulators Reviewed

Junto Tsurumi, Atefeh Yousefi Amin, Toshihiro Okamoto, Chikahiko Mitsui, Kazuo Takimiya, Hiroyuki Matsui, Marcus Halik, Jun Takeya

Organic Electronics   15 ( 6 )   1184 - 1188   2014.6

Furan fused V-shaped organic semiconducting materials with high emission and high mobility Reviewed

Katsumasa Nakahara, Chikahiko Mitsui, Toshihiro Okamoto, Masakazu Yamagishi, Hiroyuki Matsui, Takanari Ueno, Yuji Tanaka, Masafumi Yano, Takeshi Matsushita, Junshi Soeda, Yuri Hirose, Hiroyasu Sato, Akihito Yamano, Jun Takeya

Chemical Communications   50 ( 40 )   5342 - 5344   2014.5

Split-gate organic field-effect transistors for high-speed operation Reviewed

T. Uemura, T. Matsumoto, K. Miyake, M. Uno, S. Ohnishi, T. Kato, M. Katayama, S. Shinamura, M. Hamada, M. J. Kang, K. Takimiya, C. Mitsui, T. Okamoto, J. Takeya

Advanced Materials   26 ( 19 )   2983 - 2988   2014.5

V-shaped organic semiconductors with solution processability, high mobility, and high thermal durability Reviewed

Toshihiro Okamoto, Chikahiko Mitsui, Masakazu Yamagishi, Katsumasa Nakahara, Junshi Soeda, Yuri Hirose, Kazumoto Miwa, Hiroyasu Sato, Akihito Yamano, Takeshi Matsushita, Takafumi Uemura, Jun Takeya

Advanced Materials   25 ( 44 )   6392 - 6397   2013.11

Doping of organic semiconductors: Impact of dopant strength and electronic coupling Reviewed

Henry Méndez, Georg Heimel, Andreas Opitz, Katrein Sauer, Patrick Barkowski, Martin Oehzelt, Junshi Soeda, Toshihiro Okamoto, Jun Takeya, Jean Baptiste Arlin, Jean Yves Balandier, Yves Geerts, Norbert Koch, Ingo Salzmann

Angewandte Chemie - International Edition   52 ( 30 )   7751 - 7755   2013.7

Inch-size solution-processed single-crystalline films of high-mobility organic semiconductors Reviewed

Junshi Soeda, Takafumi Uemura, Toshihiro Okamoto, Chikahiko Mitsui, Masakazu Yamagishi, Jun Takeya

Applied Physics Express   6 ( 7 )   2013.7

Investigation of hole transporting properties in thin-film and single-crystal organic field-effect transistor based on Dinaphtho[2,1-b:10,20-d] thiophene Reviewed

Katsumasa Nakahara, Chikahiko Mitsui, Toshihiro Okamoto, Masakazu Yamagishi, Junshi Soeda, Kazumoto Miwa, Hiroyasu Sato, Akihito Yamano, Takafumi Uemura, Jun Takeya

Japanese Journal of Applied Physics   52 ( 5 PART 2 )   2013.5

Two-dimensional crystal growth of thermally converted organic semiconductors at the surface of ionic liquid and high-mobility organic field-effect transistors Reviewed

Junshi Soeda, Toshihiro Okamoto, Azusa Hamaguchi, Yoshinori Ikeda, Hiroyasu Sato, Akihito Yamano, Jun Takeya

Organic Electronics   14 ( 4 )   1211 - 1217   2013.4

Formation of Photoconductive Nanowires of Tetracene Derivative in Composite Thin Film Reviewed

Tsuyoshi Suzuki, Toshihiro Okamoto, Akinori Saeki, Shu Seki, Hiroyasu Sato, Yutaka Matsuo

ACS APPLIED MATERIALS & INTERFACES   5 ( 6 )   1937 - 1942   2013.3

Benzopyrazine-fused tetracene derivatives: Thin-film formation at the crystalline mesophase for solution-processed hole transporting devices Reviewed

Shungo Kojima, Toshihiro Okamoto, Kazumoto Miwa, Hiroyasu Sato, Jun Takeya, Yutaka Matsuo

Organic Electronics   14 ( 2 )   437 - 444   2013.2

1-Aryl-4-Silylmethyl[60]fullerenes: Synthesis, Properties, and Photovoltaic Performance Reviewed

Yutaka Matsuo, Hiromi Oyama, Iwao Soga, Toshihiro Okamoto, Hideyuki Tanaka, Akinori Saeki, Shu Seki, Eiichi Nakamura

CHEMISTRY-AN ASIAN JOURNAL   8 ( 1 )   121 - 128   2013.1

Single-crystal field-effect transistors with a furan-containing organic semiconductor having a twisted π-electronic system Reviewed

Katsumasa Nakahara, Chikahiko Mitsui, Toshihiro Okamoto, Masakazu Yamagishi, Kazumoto Miwa, Hiroyasu Sato, Akihito Yamano, Takafumi Uemura, Jun Takeya

Chemistry Letters   42 ( 6 )   654 - 656   2013

Dinaphtho[1,2- b:2′,1′-d]chalcogenophenes: Comprehensive investigation of the effect of the chalcogen atoms in the phenacene-type π-electronic cores Reviewed

Chikahiko Mitsui, Toshihiro Okamoto, Hiroyuki Matsui, Masakazu Yamagishi, Takeshi Matsushita, Junshi Soeda, Kazumoto Miwa, Hiroyasu Sato, Akihito Yamano, Takafumi Uemura, Jun Takeya

Chemistry of Materials   25 ( 20 )   3952 - 3956   2013

High-power three-dimensional polymer FETs Reviewed

K. Nakayama, T. Uemura, M. Uno, T. Okamoto, I. Osaka, K. Takimiya, J. Takeya

Current Applied Physics   12 ( SUPPL.3 )   S92 - S95   2012.12

Impact of regioregularity on thin-film transistor and photovoltaic cell performances of pentacene-containing polymers

Ying Jiang, Sanghyun Hong, Joon Hak Oh, Rajib Mondal, Toshihiro Okamoto, Eric Verploegen, Michael F. Toney, Michael D. McGehee, Zhenan Bao

Journal of Materials Chemistry   22 ( 10 )   4356 - 4363   2012.3

Tetracene Dicarboxylic Imide and Its Disulfide: Synthesis of Ambipolar Organic Semiconductors for Organic Photovoltaic Cells Reviewed

Toshihiro Okamoto, Tsuyoshi Suzuki, Hideyuki Tanaka, Daisuke Hashizume, Yutaka Matsuo

CHEMISTRY-AN ASIAN JOURNAL   7 ( 1 )   105 - 111   2012.1

Synthesis, Physical Properties, and Crystal Structure of Acetetracenylene-1,2-dione Reviewed

Toshihiro Okamoto, Tsuyoshi Suzuki, Shungo Kojima, Yutaka Matsuo

CHEMISTRY LETTERS   40 ( 7 )   739 - 741   2011.7

Synthesis of regioregular pentacene-containing conjugated polymers

Toshihiro Okamoto, Ying Jiang, Hector A. Becerril, Sanghyun Hong, Michelle L. Senatore, Ming L. Tang, Michael F. Toney, Theo Siegrist, Zhenan Bao

Journal of Materials Chemistry   21 ( 20 )   7078 - 7081   2011.5

Aryl-Perfluoroaryl Substituted Tetracene: Induction of Face-to-Face pi-pi Stacking and Enhancement of Charge Carrier Properties Reviewed

Toshihiro Okamoto, Katsumasa Nakahara, Akinori Saeki, Shu Seki, Joon Hak Oh, Hylke B. Akkerman, Zhenan Bao, Yutaka Matsuo

CHEMISTRY OF MATERIALS   23 ( 7 )   1646 - 1649   2011.4

Creation of face-to-face π-π stacking of fused acene backbones by aryl-perfluoroaryl interactions and induction of charge transport properties Reviewed

Toshihiro Okamoto, Katsumasa Nakahara, Akinori Saeki, Shu Seki, Joon H. Oh, Hylke B. Akkerman, Zhenan Bao, Kazumoto Miwa, Junichi Takeya, Yutaka Matsuo

Materials Research Society Symposium Proceedings   1360   48 - 53   2011

2,9-Dibromopentacene: Synthesis and the role of substituent and symmetry on solid-state order

Toshihiro Okamoto, Colin Reese, Michelle L. Senatore, Ming L. Tang, Ying Jiang, Sean R. Parkin, Zhenan Bao

Synthetic Metals   160 ( 23-24 )   2447 - 2451   2010.12

Anthradithiophene-containing copolymers for thin-film transistors and photovoltaic cells

Ying Jiang, Toshihiro Okamoto, Hector A. Becerril, Sanghyun Hong, Ming Lee Tang, Alex C. Mayer, Jack E. Parmer, Michael D. McGehee, Zhenan Bao

Macromolecules   43 ( 15 )   6361 - 6367   2010.8

Electronic structure of bis(benzo)pentathienoacene in gas and solid phase: Ultraviolet photoemission spectroscopy and energy band calculation Reviewed

Hiroyuki Yoshida, Yuji Watazu, Naoki Sato, Toshihiro Okamoto, Shigehiro Yamaguchi

Applied Physics A: Materials Science and Processing   95 ( 1 )   185 - 191   2009.4

New anthradithiophene-containing copolymers for thin-film transistor and solar cells

Jiang, Ying, Okamoto, Toshihiro, Becerril, Hector A., Tang, Ming Lee, Mayer, Alex C., Parmer, Jack D., McGehee, Michael D., Bao, Zhenan

Abstracts of Papers of the American Chemical Society   238   2009

New fused-ring polymers with low-bandgap and good charge mobility for solar cells

Becerril, Hector A., Jiang, Ying, Miyaki, Nobuyuki, Okamoto, Toshihiro, Mondal, Rajib, Hong, Sanghyun, Ko, Sangwon, Lee, Sangjun, Parmer, Jack, Mayer, Alex C., McGehee, Michael D., Bao, Zhenan

Abstracts of Papers of the American Chemical Society   237   2009

Synthesis and characterization of pentacene- and anthradithiophene-fluorene conjugated copolymers synthesized by suzuki reactions

Toshihiro Okamoto, Ying Jiang, Fei Qu, Alex C. Mayer, Jack E. Farmer, Michael D. Mcgehee, Zhenan Bao

Macromolecules   41 ( 19 )   6977 - 6980   2008.10

Electronic modulation of fused oligothiophenes by chemical oxidation Reviewed

Y. Suzuki, T. Okamoto, A. Wakamiya, S. Yamaguchi

Organic Letters   10 ( 16 )   3393 - 3396   2008.8

Functionalized asymmetric linear acenes for high-performance organic semiconductors

Ming L. Tang, Anna D. Reichardt, Toshihiro Okamoto, Nobuyuki Miyaki, Zhenan Bao

Advanced Functional Materials   18 ( 10 )   1579 - 1585   2008.5

Bis-phosphoryl-bridged stilbenes synthesized by an intramolecular cascade cyclization Reviewed

Aiko Fukazawa, Masanao Hara, Toshihiro Okamoto, Eun-Cheol Son, Caihong Xu, Kohei Tamao, Shigehiro Yamaguchi

Organic Letters   10 ( 5 )   913 - 916   2008.3

Synthesis, characterization, and field-effect transistor performance of pentacene derivatives Reviewed

Toshihiro Okamoto, Michelle L. Senatore, Mang-Mang Ling, Abhijit B. Mallik, Ming L. Tang, Zhenan Bao

ADVANCED MATERIALS   19 ( 20 )   3381 - +   2007.10

Synthesis of solution-soluble pentacene-containing conjugated copolymers Reviewed

Toshihiro Okamoto, Zhenan Bao

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   129 ( 34 )   10308 - +   2007.8

Thiophene- and selenophene-based heteroacenes: Combined quantum chemical DFT and spectroscopic Raman and UV-Vis-NIR study Reviewed

Reyes Malavé Osunas, Rocío Ponce Ortiz, Toshihiro Okamoto, Yoshitake Suzuki, Shigehiro Yamaguchi, Víctor Hernández, Juan Teodomiro López Navarrete

Journal of Physical Chemistry B   111 ( 26 )   7488 - 7496   2007.7

Single-crystal field-effect transistors of benzoannulated fused oligothiophenes and oligoselenophenes Reviewed

Koichi Yamada, Toshihiro Okamoto, Kenichi Kudoh, Atsushi Wakamiya, Shigehiro Yamaguchi, J. Takeya

Applied Physics Letters   90 ( 7 )   2007

General synthesis of extended fused oligothiophenes consisting of an even number of thiophene rings Reviewed

T. Okamoto, K. Kudoh, A. Wakamiya, S. Yamaguchi

Chemistry - A European Journal   13 ( 2 )   548 - 556   2007

Field effect transistors of single crystal benzo-annulated fused oligothiophenes and oligoselenophenes Reviewed

Y. Tominari, K. Yamada, M. Yamagishi, Jun Takeya, T. Okamoto, K. Kudoh, A. Wakamiya, S. Yamaguchi

Materials Research Society Symposium Proceedings   1003   112 - 117   2007

High-performance organic semiconductors: Asymmetric linear acenes containing sulphur Reviewed

Ming L. Tang, Toshihiro Okamoto, Zhenan Bao

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   128 ( 50 )   16002 - 16003   2006.12

Ladder pi-conjugated materials with main group elements

S Yamaguchi, CH Xu, T Okamoto

PURE AND APPLIED CHEMISTRY   78 ( 4 )   721 - 730   2006.4

POLY 627-Synthesis, characterization, and transistor performance of functionalized pentacene derivatives

Okamoto, Toshihiro, Mallik, Abhijit Basu, Senatore, Michelle, Tang, Ming Lee, Ling, Mang-Mang, Bao, Zhenan

Abstracts of Papers of the American Chemical Society   232   2006

POLY 624-Asymmetric compounds as semiconducting materials for thin film transistors

Tang, Ming L., Okamoto, Toshihiro, Roberts, Mark E., Locklin, Jason, Bao, Zhenan

Abstracts of Papers of the American Chemical Society   232   2006

Exchange interaction of 5,5′-(m- and p-phenylene)bis(10-phenyl-5,10- dihydrophenazine) dications and related analogues Reviewed

Eriko Terada, Toshihiro Okamoto, Masatoshi Kozaki, Miyuki Eiraku Masaki, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Keiji Okada

Journal of Organic Chemistry   70 ( 24 )   10073 - 10081   2005.11

1,4-benzoxazino[2,3-b]phenoxazine and its sulfur analogues: Synthesis, properties, and application to organic light-emitting diodes Reviewed

Toshihiro Okamoto, Masatoshi Kozaki, Matsumi Doe, Manabu Uchida, Guofang Wang, Keiji Okada

Chemistry of Materials   17 ( 22 )   5504 - 5511   2005.11

General synthesis of thiophene and selenophene-based heteroacenes Reviewed

T Okamoto, K Kudoh, A Wakamiya, S Yamaguchi

ORGANIC LETTERS   7 ( 23 )   5301 - 5304   2005.11

Synthesis and properties of fused oligothiophenes

Toshihiro Okamoto, Kenichi Kudoh, Yoshitake Suzuki, Shigehiro Yamaguchi

Polymer Preprints, Japan   54 ( 2 )   2877 - 2878   2005

Remarkable structure deformation in phenothiazine trimer radical cation Reviewed

Toshihiro Okamoto, Masato Kuratsu, Masatoshi Kozaki, Ken Hirotsu, Akio Ichimura, Toshio Matsushita, Keiji Okada

Organic Letters   6 ( 20 )   3493 - 3496   2004.9

A Stable Radical-Substituted Radical Cation with Strongly Ferromagnetic Interaction: Nitronyl Nitroxide-Substituted 5,10-Diphenyl-5,10-dihydrophenazine Radical Cation Reviewed

Shinsuke Hiraoka, Toshihiro Okamoto, Masatoshi Kozaki, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Keiji Okada

Journal of the American Chemical Society   126 ( 1 )   58 - 59   2004.1

Facile synthesis of 5,10-diaryl-5,10-dihydrophenazines and application to EL devices Reviewed

Toshihiro Okamoto, Eriko Terada, Masatoshi Kozaki, Manabu Uchida, Shingo Kikukawa, Keiji Okada

Organic Letters   5 ( 3 )   373 - 376   2003.2

Benzoxazinophenoxazines: Neutral and charged species

Toshihiro Okamoto, Masatoshi Kozaki, Yoshiro Yamashita, Keiji Okada

Tetrahedron Letters   42 ( 43 )   7591 - 7594   2001.10

Synthesis and properties of benzooxazinophenooxazine and the related compounds

T. Okamoto, M. Kozaki, D. Shiomi, K. Sato, T. Takui, Y. Mizuno, H. Yoshino, K. Murata, Y. Yamashita, K. Okada

Synthetic Metals   120 ( 1-3 )   933 - 934   2001.3

光ポンプ・テラヘルツプローブ分光による有機半導体C₁₀-DNBDT-NWのキャリア伝導機構の研究 III

寺重翼, 丸池文哉, 大瀧貴史, 森本剛史, 宮本辰也, 貴田徳明, 鶴見淳人, 渡邉峻一郎, 岡本敏宏, 竹谷純一, 岡本博, 岡本博

日本物理学会講演概要集(CD-ROM)   74 ( 1 )   2019

有機半導体の電子-格子相互作用の第一原理計算

大瀧貴史, 寺重翼, 丸池文哉, 宮本辰也, 貴田徳明, 鶴見淳人, 渡邉峻一郎, 岡本敏宏, 竹谷純一, 岡本博, 岡本博

日本物理学会講演概要集(CD-ROM)   74 ( 2 )   2019

σ対称性の環状非局在軌道を有するポリヨードベンゼンの電荷輸送特性とその理論化学的評価

高田侑希, 山岸正和, 岡本敏宏, 竹谷純一, 古川俊輔, 斎藤雅一

有機典型元素化学討論会講演要旨集   45th   102   2018.12

非局在σ対称性軌道を有するポリヨードベンゼンの電荷輸送特性とその理論化学的考察

高田侑希, 山岸正和, 岡本敏宏, 竹谷純一, 古川俊輔, 斎藤雅一

基礎有機化学討論会要旨集   29th   245   2018.9

フェニル基を有する硫黄架橋V字型有機半導体の伝導挙動

沢辺千鶴, 沢辺千鶴, 三谷真人, 三谷真人, 熊谷翔平, 石井宏幸, 橋爪大輔, 山岸正和, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏, 岡本敏宏, 岡本敏宏

応用物理学会秋季学術講演会講演予稿集(CD-ROM)   79th   ROMBUNNO.19a‐145‐4   2018.9

大面積塗布型デバイスへの応用を指向した高移動度N字型有機半導体の誘導化と構造物性相関

三谷真人, 三津井親彦, 山村祥史, 山岸正和, 佐藤寛泰, 山野昭人, 橋爪大輔, 石井宏幸, 竹谷純一, 岡本敏宏, 岡本敏宏

高分子学会予稿集(CD-ROM)   67 ( 2 )   ROMBUNNO.1L13   2018.8

State-of-the-art molecular design technology of high-mobility organic semiconductors for organic electronics

Toshihiro Okamoto, Tadanori Kurosawa

Kobunshi   67 ( 5 )   243 - 245   2018.5

プリンテッド・フレシキブルエレクトロニクスのための革新的有機半導体材料の開発—Development of Creative Organic Semiconducting Materials Toward Printed and Flexible Electronics—特集 エレクトロニクス向け伸縮性・フレキシブル材料

岡本 敏宏

機能材料   38 ( 3 )   23 - 30   2018.3

C₁₀-DNBDT-NW電界効果トランジスタの電荷変調分光

寺重翼, 守安藍海, 郡司太一, 宮本辰也, 貴田徳明, 岡本博, 岡本博, 鶴見淳人, 渡邉峻一郎, 渡邉峻一郎, 岡本敏宏, 岡本敏宏, 竹谷純一

日本物理学会講演概要集(CD-ROM)   73 ( 2 )   2018

屈曲型パイコア群による有機半導体材料のパラダイムシフト (特集 有機薄膜トランジスタ・新規有機半導体材料の開発)

岡本 敏宏

Molecular electronics and bioelectronics = 応用物理学会,有機分子・バイオエレクトロニクス分科会会誌   28 ( 4 )   226 - 231   2017.11

溶液プロセス可能なp型ジチエノ[3,2‐b:2’,3’‐f]チエピン骨格を有する有機半導体材料:合成,集合体構造および塗布型有機トランジスタへの応用

岡本敏宏, 脇本貴裕, 安中辰朗, 池田大次, 山岸正和, 矢野将文, 黒澤忠法, 竹谷純一

基礎有機化学討論会要旨集   28th   143   2017.9

フェニル基を鍵ブロックに持つ硫黄架橋V字型ビナフタレン:合成と集合体構造および塗布型有機トランジスタへの応用

沢辺千鶴, 沢辺千鶴, 三谷真人, 三谷真人, 村田祥典, 四方良二, 橋爪大輔, 山岸正和, 矢野将文, 佐藤寛泰, 山野昭人, 黒澤忠法, 黒澤忠法, 竹谷純一, 岡本敏宏, 岡本敏宏

基礎有機化学討論会要旨集   28th   211   2017.9

クリセノジチオフェン骨格を有する新規有機半導体分子群のキャリア輸送特性

岡本敏宏, 岡本敏宏, 村田祥典, 山元明人, 石井宏幸, 山岸正和, 矢野将文, 佐藤寛泰, 山野昭人, 竹谷純一

応用物理学会秋季学術講演会講演予稿集(CD-ROM)   78th   ROMBUNNO.8a‐PA3‐15   2017.8

酸素および硫黄架橋V字型半導体:単結晶トランジスタとバンド構造

岡本敏宏, 岡本敏宏, 四方良二, 三津井親彦, 山岸正和, 石井宏幸, 矢野将文, 佐藤寛泰, 山野昭人, 竹谷純一

応用物理学会秋季学術講演会講演予稿集(CD-ROM)   78th   ROMBUNNO.8a‐PA3‐14   2017.8

ベンゾ[c]チオフェンジイミド骨格を有する新規n型有機半導体材料のキャリア輸送特性

岡本敏宏, 岡本敏宏, 福崎英治, 脇本貴裕, 黒澤忠法, 黒澤忠法, 山岸正和, 矢野将文, 佐藤寛泰, 山野昭人, 渡邉哲也, 宇佐美由久, 竹谷純一

応用物理学会秋季学術講演会講演予稿集(CD-ROM)   78th   ROMBUNNO.7p‐A203‐6   2017.8

チオフェンとベンゼンが交互に縮環したV字型化合物群:合成と集合体構造および塗布型有機トランジスタへの応用

岡本敏宏, 岡本敏宏, 三津井親彦, 三谷真人, 津山博昭, 村田祥典, 四方良二, 山岸正和, 矢野将文, 佐藤寛泰, 山野昭人, 渡邉哲也, 竹谷純一

基礎有機化学討論会要旨集   27th   74   2016.9

アリール基を有するチオフェン‐ベンゼン交互縮環V字型有機半導体の合成と集合体構造および有機トラジスタへの応用

岡本敏宏, 岡本敏宏, 脇本貴裕, 津山博昭, 小柳雅史, 三津井親彦, 山岸正和, 矢野将文, 佐藤寛泰, 山野昭人, 福崎英治, 渡邉哲也, 竹谷純一

基礎有機化学討論会要旨集   27th   259   2016.9

アルキル置換酸素架橋V字型半導体の集合体構造と発光特性

安中辰朗, 三津井親彦, 井原将司, 山岸正和, 矢野将文, 岩澤大地, 長谷川美貴, 竹谷純一, 岡本敏宏, 岡本敏宏

基礎有機化学討論会要旨集   27th   165   2016.9

先端技術を支える 分析・解析・計測技術(No.1-1)先進有機半導体材料の開発と分析・解析・計測技術

岡本 敏宏

工業材料 = Engineering materials   64 ( 9 )   86 - 92   2016.9

21pBB-6 Spin relaxation of single crystal organic FETs probed by field-induced ESR

Tsurumi J, Matsui H, Hausermann Roger, Watanabe S, Mitsui C, Okamoto T, Takeya J

Meeting Abstracts of the Physical Society of Japan   71 ( 0 )   1907 - 1907   2016

21pBB-5 Temperature dependent charge transport and Hall effect of strained organic crystal transistor

Kubo Takayoshi, Matsui Hiroyuki, Takeya Jun, Tsurumi Junto, Hausermann Roger, Watanabe Shun, Akamatsu Norihisa, Shishido Atsushi, Mitsui Chikahiko, Okamoto Toshihiro, Yanagisawa Susumu

Meeting Abstracts of the Physical Society of Japan   71 ( 0 )   1906 - 1906   2016

屈曲型パイ電子コアが切り拓く次世代有機半導体材料—Next-generation Organic Semiconductors Driven by Bent-shaped π-Electron Cores

岡本 敏宏

液晶 : 日本液晶学会誌 : journal of the Japanese Liquid Crystal Society / 日本液晶学会編集委員会 編   20 ( 3 )   165 - 174   2016

二置換セレン架橋V字型分子集合体の特異な構造変化と電荷輸送特性

三津井親彦, 田中翔太, 山岸正和, 道姓宏章, 矢野将文, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏, 岡本敏宏

基礎有機化学討論会要旨集   26th   253   2015.9

アルキル置換セレン架橋V字型有機半導体分子群:集合体構造とデバイス性能のアルキル鎖長依存性の検証

岡本敏宏, 岸柾之, 山岸正和, 三津井親彦, 吉本和美, 三谷真人, 加藤隆史, 佐藤寛泰, 山野昭人, 竹谷純一

高分子学会予稿集(CD-ROM)   64 ( 1 )   ROMBUNNO.2J24   2015.5

セレン架橋V字型有機半導体の特異な集合体構造変化を利用した溶液プロセスの汎用化

山岸正和, 三津井親彦, 吉本和美, 岸柾之, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

日本化学会講演予稿集   95th ( 4 )   1106   2015.3

含ホウ素中性ラジカルを用いた両極性Mottトランジスタ

櫛田知克, 白井秀典, 岡本敏宏, 松井弘之, 山岸正和, 植村隆文, 竹谷純一, 山口茂弘

日本化学会講演予稿集   95th ( 4 )   1115   2015.3

アルキル置換酸素架橋N字型パイ共役系分子群の合成,集合体構造ならび,電荷輸送特性

三津井親彦, 井原将司, 田中翔太, 田中佑治, 青木佑司, 矢野将文, 山岸正和, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

日本化学会講演予稿集   95th ( 4 )   1107   2015.3

高移動度を有する硫黄架橋N字型屈曲パイ共役系化合物群(2):デバイス熱耐久性ならび集合体構造の温度依存性

三津井親彦, 青木佑司, 吉本和美, 山岸正和, 武田広大, 片山雅之, 加藤哲弥, 橋爪大輔, 矢野将文, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

日本化学会講演予稿集   95th ( 4 )   1107   2015.3

アルキル置換酸素架橋N字型有機半導体の固体物性と塗布プロセス性の検証

田中翔太, 三津井親彦, 井原将司, 山岸正和, 田中佑治, 矢野将文, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   ROMBUNNO.12P-P12-14   2015.2

高溶解性アルキル置換セレン架橋V字型有機半導体材料の固体物性とデバイス特性

岡本敏宏, 三津井親彦, 岸柾之, 山岸正和, 吉本和美, 佐藤寛泰, 山野昭人, 竹谷純一

応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   ROMBUNNO.14A-D3-9   2015.2

キャリアコヒーレンスに起因する有機半導体移動度のトランスファー積分符号依存性

松井弘之, 岡本敏宏, 三津井親彦, 山岸正和, 佐藤寛泰, 山野昭人, 竹谷純一

応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   ROMBUNNO.11P-D3-9   2015.2

N字型屈曲パイ共役系材料が構築するナノ構造体と熱耐久性を有する有機トランジスタ

三津井親彦, 岸柾之, 橋爪大輔, 山岸正和, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

高分子学会予稿集(CD-ROM)   63 ( 2 )   ROMBUNNO.1M06   2014.9

熱ストレス耐久性を有する有機トランジスタに向けた屈曲N字型パイ電子系分子

三津井親彦, 岸柾之, 矢澤宏次, 橋爪大輔, 山岸正和, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

応用物理学会秋季学術講演会講演予稿集(CD-ROM)   75th   ROMBUNNO.19A-A5-4   2014.9

N字型屈曲パイ共役系分子が構築する集合体構造と熱ストレス耐久性有機トランジスタ

三津井親彦, 岸柾之, 矢澤宏次, 橋爪大輔, 山岸正和, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

基礎有機化学討論会要旨集   25th   72   2014.8

酸素架橋N字型屈曲π共役系化合物群の発光特性と集合体構造ならび有機トランジスタへの応用

三津井親彦, 田中佑治, 植村隆文, 山岸正和, 中村健一, 矢野将文, 中原勝正, 広瀬友里, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

基礎有機化学討論会要旨集   25th   168   2014.8

酸素架橋V字型分子のフェニル基導入による集合体構造と発光特性相関

三津井親彦, 久保渉, 道姓宏章, 中村健一, 山岸正和, 矢野将文, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

基礎有機化学討論会要旨集   25th   165   2014.8

外部刺激応答性を有するセレン架橋V字型有機半導体材料の創成

岡本敏宏, 三津井親彦, 山岸正和, 中村健一, 添田淳史, 広瀬友里, 佐藤寛泰, 山野昭人, 竹谷純一

基礎有機化学討論会要旨集   25th   229   2014.8

パイ拡張によるV字型パイ電子コアの特異な集合体構造とキャリア輸送特性

山岸正和, 三津井親彦, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

基礎有機化学討論会要旨集   25th   250   2014.8

アルキル置換酸素架橋V字型分子:アルキル鎖長と置換位置が及ぼす集合体構造,溶解性,発光特性

中村健一, 田中翔太, 三津井親彦, 山岸正和, 矢野将文, 中原勝正, 佐藤寛泰, 山野昭人, 竹谷純一, 岡本敏宏

基礎有機化学討論会要旨集   25th   255   2014.8

アルキル置換セレン架橋V字型分子における特異な集合体構造変化

三津井親彦, 岡本敏宏, 山岸正和, 中村健一, 佐藤寛泰, 山野明人, 竹谷純一

日本化学会講演予稿集   94th ( 4 )   1141   2014.3

新規な硫黄架橋W字型パイ共役系化合物の合成およびそのキャリア輸送特性

山元明人, 三津井親彦, 岡本敏宏, 山岸正和, 松井弘之, 佐藤寛泰, 山野昭人, 竹谷純一

日本化学会講演予稿集   94th ( 4 )   1141   2014.3

V,WおよびN字型半導体分子の固体バンド計算と単結晶移動度の比較

松井弘之, 岡本敏宏, 山岸正和, 三津井親彦, 佐藤寛泰, 山野昭人, 竹谷純一

日本物理学会講演概要集   69 ( 1 )   858 - 858   2014.3

アルキル置換セレン架橋V字型パイ共役系分子の特異な集合体構造変化とキャリア輸送特性

三津井親彦, 岡本敏宏, 山岸正和, 中村健一, 佐藤寛泰, 山野昭人, 竹谷純一

応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   ROMBUNNO.20A-E3-1   2014.3

酸素架橋屈曲N字型パイ共役系分子群の集合体構造ならびにキャリア輸送特性

岡本敏宏, 三津井親彦, 山岸正和, 中村健一, 中原勝正, 添田淳史, 広瀬友里, 佐藤寛泰, 山野昭人, 竹谷純一

応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   ROMBUNNO.20A-E3-2   2014.3

アルキル置換屈曲N字型パイ共役系分子群の集合体構造ならびにキャリア輸送特性

岡本敏宏, 三津井親彦, 山岸正和, 松下武司, 広瀬友里, 中原勝正, 添田淳史, 佐藤寛泰, 山野昭人, 植村隆文, 竹谷純一

応用物理学会秋季学術講演会講演予稿集(CD-ROM)   74th   ROMBUNNO.19A-C5-6   2013.8

アルキル置換含カルコゲノフェンV字型縮環パイ共役系分子群のナノ構造体と電子機能物性

三津井親彦, 岡本敏宏, 山岸正和, 松下武司, 中原勝正, 広瀬友里, 添田淳史, 佐藤寛泰, 山野昭人, 植村隆文, 竹谷純一

高分子学会予稿集(CD-ROM)   62 ( 2 )   ROMBUNNO.2R11   2013.8

新規屈曲N字型縮環パイ共役系分子の集合体構造ならびに有機トランジスタへの応用

岡本敏宏, 三津井親彦, 山岸正和, 松下武司, 広瀬友里, 中原勝正, 添田淳史, 佐藤寛泰, 山野昭人, 植村隆文, 竹谷純一

高分子学会予稿集(CD-ROM)   62 ( 2 )   ROMBUNNO.2R12   2013.8

アルキル置換含カルコゲノフェンV字型縮環パイ共役系分子群の構造と電荷輸送特性

三津井親彦, 岡本敏宏, 山岸正和, 松下武司, 広瀬友里, 添田淳史, 中原勝正, 佐藤寛泰, 山野昭人, 植村隆文, 竹谷純一

基礎有機化学討論会要旨集   24th   386   2013.8

27PXP-14 Pressure effect of carrier transport properties and crystal strctures of V-shaped heteroacenes

Sakai K., Okada Y., Kitaoka S., Tsurumi J., Uemura T., Sato H., Yamano A., Sugimoto K., Fujiwara A., Yamagishi M., Mitsui C., Okamoto T., Takeya J.

Meeting abstracts of the Physical Society of Japan   68 ( 1 )   944 - 944   2013.3

27pXP-13 Charge transport and crystal structure of rubrene under high pressure conditions

Tsurumi J., Sakai K., Okada Y., Kitaoka S., Uemura T., Okamoto T., Sato H., Yamano A., Sugimoto K., Fujiwara A., Takeya J.

Meeting abstracts of the Physical Society of Japan   68 ( 1 )   943 - 943   2013.3

18aFH-6 Pressure effect of carrier transport properties on thiophene-based organic field effect transistors

Sakai K., Okada Y., Kitaoka S., Miwa K., Uemura T., Yamagishi M., Mitsui C., Okamoto T., Takeya J.

Meeting abstracts of the Physical Society of Japan   67 ( 2 )   752 - 752   2012.8

有機結晶フィルムトランジスタ

富成征弘, 山岸正和, 岡本敏宏, 鈴木善丈, 若宮淳志, 山口茂弘

応用物理学会学術講演会講演予稿集   68th ( 3 )   1351   2007.9

POLY 239-Synthesis and characterization of pentacene-based oligomers and polymers

Toshihiro Okamoto, Zhenan Bao

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY   234   2007.8

大気中で安定なオリゴセレノフェン単結晶電界効果トランジスタ

山岸正和, 岡本敏宏, 若宮淳志, 山口茂弘, 竹谷純一

応用物理学関係連合講演会講演予稿集   54th ( 3 )   1397   2007.3

Reactions of Fused Polycyclic 1,2-Dithiins with Transiton Metals: Synthesis of Heteroacenes via Desulfurization

K. Kudoh, T. Okamoto, S. Yamaguchi

Organometallics   25 ( 9 )   2374-2377 - 2377   2006

Application of novel heteroacene compound to field effect transistors

山田頼通, 岡本敏宏, 山口茂弘, 山口茂弘, 村田英幸, 村田英幸

日本化学会講演予稿集   86th ( 1 )   2006

新規ヘテロアセン化合物を用いた電界効果トランジスタ

山田頼通, 岡本敏宏, 山口茂弘, 山口茂弘, 村田英幸, 村田英幸

応用物理学会学術講演会講演予稿集   66th ( 3 )   2005

特異な電子構造を有する含硫黄フェナセン系分子群の伝導特性

Grant number：21H02014  2021.4 - 2025.3

日本学術振興会  科学研究費助成事業 基盤研究(B)  基盤研究(B)

西原 康師, 岡本 敏宏, 森 裕樹

特異な電子構造を有する含硫黄フェナセン系分子群の伝導特性

Grant number：23K21141  2021.4 - 2025.3

日本学術振興会  科学研究費助成事業  基盤研究(B)

西原 康師, 森 裕樹, 岡本 敏宏

バンド伝導性有機半導体を用いたハイブリッド型環境発電素子の開発

2021 - 2022

科学技術振興機構  戦略的な研究開発の推進 戦略的創造研究推進事業 CREST 

岡本 敏宏

Organic Semiconductor spinorbitronics

Grant number：20H00387  2020.4 - 2025.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)  Grant-in-Aid for Scientific Research (A)

Development of high mobility polored organic semiconductors for organic radiation detectors

Grant number：19K05336  2019.4 - 2022.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

Yamagishi Masakazu

Development of thermoelectric simulation methodology based on density functional theory and application to organic materials

Grant number：18H01856  2018.4 - 2022.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

Ishii Hiroyuki

Creation of innovative organic thermoelectric materials by using structural control technology of organic semiconductors

2017.10 - 2021.3

Japan Science of Technology Agency  JST-PRESTO "Scientific Innovation for Energy Harvesting Technology" 

Toshihiro Okamoto

分子間振動の抑制を基軸とした次世代有機半導体材料の創製

2017.4 - 2020.3

文部科学省  科学研究費補助金(基盤研究(B)) 

岡本敏宏

Creation of next-generation organic semiconductors based on the suppression of molecular vibrations

Grant number：17H03104  2017.4 - 2020.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

Okamoto Toshihiro

Creation of Emissive Device Materials with High Luminescence and High Mobility

Grant number：17K06036  2017.4 - 2020.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

Yano Masafumi

Development of High Performance Organic Light-Emitting Transistor Materials for Print Process

Grant number：26410254  2014.4 - 2017.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

Yano Masafumi

Elucidation of mechanism for low contact resistance in organic transistors and development of high speed device

Grant number：26286037  2014.4 - 2017.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

UEMURA TAKAFUMI

Creaction of an innovative organic semiduct molecular system

2013.10 - 2017.3

Japan Science of Technology Agency  PRESTO "Molecular Technology and Creation of New Functions" 

Toshihiro Okamoto

Creation of high performance, high thermally durable, and solution processable organic semiconductors based on bent-shaped pi-electron cores

Grant number：25288091  2013 - 2015

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

Okamoto Toshihiro, MITSUI Chikahiko, TAKEYA Junichi, UEMURA Takafumi

Synthesis and Nano-organization of Organic Semiconductors for Efficient Photo-electronic Conversion

Grant number：22000008  2010 - 2014

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Specially Promoted Research  Grant-in-Aid for Specially Promoted Research

NAKAMURA Eiichi, SATO Yoshiharu, KOSHINO Masanori, MATSUO Yutaka

Design of Nano-phase Segregation Structures of Electron Donors and Acceptors toward High-Performance Thin-Film Organic Solar Cells

Grant number：21350108  2009 - 2011

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

FUKUSHIMA Takanori, OKAMOTO Toshihiro, ANDO Shinji, FUJIKAWA Shigenori

Creation and Functional Exploitation of Fused π-electronic nanoribbon

Grant number：20850036  2008 - 2009

Ministry of Education, Culture, Sports, Science and Technology  Grants-in-Aid for Scientific Research(若手研究(スタートアップ))  若手研究(スタートアップ)

Toshihiro OKAMOTO

典型元素の特性を活かした新規π電子系の創製と機能

Grant number：03J04422  2003 - 2005

日本学術振興会  科学研究費助成事業  特別研究員奨励費

岡本 敏宏