Research theme for competitive and other funds (24):
2022 - 2027 Electronic phase tuning in organic two-dimensional hole-gas system and organic quantum electronics
2022 - 2025 Electronic phase control of two-dimensional hole gas in organic semiconductors
2020 - 2025 High Performance Sensor Systems with Recognition-Relay Doping
2017 - 2022 Giant strain effect of charge transport in organic single-crystal semiconductors and flexible mechano-electronics
2017 - 2020 Realization of spin transistor using organic single crystal semiconductor
2017 - 2018 単結晶有機半導体中電子伝導の巨大応力歪効果とデバイス応用
2014 - 2018 Direct observations of channel regions of electric double layer transistor using atomic force microsocopy
2014 - 2017 Molecular scale understanding of dissolution/precipitation processes of organic crystal to ionic liquid
2014 - 2017 Development of High Performance Organic Light-Emitting Transistor Materials for Print Process
2014 - 2017 Elucidation of mechanism for low contact resistance in organic transistors and development of high speed device
2014 - 2017 Elucidating structure-property relations under mechanical strain in organic semiconductors for device applications
2014 - 2016 印刷できるLSI用有機単結晶半導体トランジスタの物理モデル開発
2013 - 2016 Creation of high performance, high thermally durable, and solution processable organic semiconductors based on bent-shaped pi-electron cores
2012 - 2016 High-frequency measurements of organic semiconductor channels utilizing 3-dimensional organic transistors toward the developments of high-speed transistors.
2009 - 2014 Control of Electronic Properties of Materials Using Ultrahigh Electric Field at Electrochemical Interfaces
2010 - 2012 Functions and physics of organic single-crystal interfaces
2010 - 2012 Molecular structure and carrier dynamics at the interface betweenorganic semiconductor and insulator
2009 - 2011 Evaluation of Microscopic Properties and Elucidation of Charge-Trapping Mechanism of Organic Transistors with Electron Spin Resonance
2009 - 2010 有機半導体π電子系の3次元電界効果トランジスタ
2009 - 2010 究極の低消費電力高移動度フレキシブル有機単結晶トランジスタの創製
2007 - 2009 Layered hybrids of organic single-crystal films and applications of their functions to devices
2005 - 2009 Interface control and carrier transport in molecular materials
Zijing Guo, Tetsu Sato, Yang Han, Naoki Takamura, Ryohei Ikeda, Tatsuya Miyamoto, Noriaki Kida, Makiko Ogino, Youtarou Takahashi, Naotaka Kasuya, et al. Band transport evidence in PEDOT:PSS films using broadband optical spectroscopy from terahertz to ultraviolet region. Communications Materials. 2024. 5. 1
Masaki Ishii, Yu Yamashita, Shun Watanabe, Katsuhiko Ariga, Jun Takeya. Doping of molecular semiconductors through proton-coupled electron transfer. Nature. 2023. 622. 7982. 285-291
Craig P. Yu, Shohei Kumagai, Michitsuna Tsutsumi, Tadanori Kurosawa, Hiroyuki Ishii, Go Watanabe, Daisuke Hashizume, Hiroki Sugiura, Yukio Tani, Toshihiro Ise, et al. Asymmetrically Functionalized Electron-Deficient π-Conjugated System for Printed Single-Crystalline Organic Electronics. Advanced Science. 2023. 10. 29
Craig P. Yu, Akito Yamamoto, Shohei Kumagai, Jun Takeya, Toshihiro Okamoto. Electron-Deficient Benzo[ de ]isoquinolino[1,8- gh ]quinoline Diamide π-Electron Systems. Angewandte Chemie International Edition. 2023
Taehyun Won, Shohei Kumagai, Naotaka Kasuya, Yu Yamashita, Shun Watanabe, Toshihiro Okamoto, Jun Takeya. Individual and synergetic charge transport properties at the solid and electrolyte interfaces of a single ultrathin single crystal of organic semiconductors. Physical Chemistry Chemical Physics. 2023. 25. 20. 14496-14501