Toshihiro Okamoto / Associate Professor / Division of Transdisciplinary Sciences
Department of Advanced Materials Science / / Development of organic semiconductors and the application of related devices

Career Summary
1999: Graduated from Faculty of Chemistry (Osaka City University)
2003: Received Ph.D. in Chemistry from Osaka City University
2003.4-2006.3: Japan Society for the Promotion of Science (JSPS) Fellow (SPD)(JSPS)
2003.4-2005.3: Postdoctoral Researcher (Nagoya Univ.)
2005.4-2007.9: Postdoctoral Researcher (Stanford Univ.)
2007.10-2009.3: Researcher (RIKEN)
2009.4-2010.10: Assistant Professor (University of Tokyo)
2010.11-2013.4: Associate Professor (Osaka University)
2013.5-present: Associate Professor (University of Tokyo)
2013.10-present: JST-PRESTO Researcher (gMolecular technology and creation of new functionsh, JST)

Educational Activities
Graduate School: Organic condensed matter physics
School of Engineering: Structural analysis methods, Experiments in physical chemistry

Research Activities
Development of organic semiconducting materials (2003-present)
Development of new bent-shaped organic semiconductors (2010-present)


1) C. Mitsui, T. Okamoto, M. Yamagishi, J. Tsurumi, K. Yoshimoto, K. Nakahara, J. Soeda, Y. Hirose, H. Sato, A. Yamano, T. Uemura, and J. Takeya gHigh-Performance Solution Processable N-Shaped Organic Semiconducting Materials with Stabilized Crystal Phaseh, Adv. Mater., in press.
2) K. Nakahara, C. Mitsui, T. Okamoto, M. Yamagishi, H. Matsui, T. Ueno, Y. Tanaka, M. Yano, T. Matsushita, J. Soeda, Y. Hirose, H. Sato, A. Yamano, and J. Takeya, gFuran Fused V-Shaped Organic Semiconducting Materials with High Emission and High Mobilityh, Chem. Commun. 50, (2014) 5342-5344.
3) C. Mitsui, T. Okamoto, H. Matsui, M. Yamagishi, T. Matsushita, J. Soeda, K. Miwa, H. Sato, A. Yamano, T. Uemura, and J. Takeya, gDinaphtho[1,2 b:2',1' d]chalcogenophenes: Comprehensive Investigation of the Effect of the Chalcogen Atoms in the Phenacene-Type ƒÎ Electronic Coresh, Chem. Mater. 25, (2013) 3952-3956.
4) T. Okamoto, C. Mitsui, M. Yamagishi, K. Nakahara, J. Soeda, Y. Hirose, K. Miwa, H. Sato, A. Yamano, T. Matsushita, T. Uemura, and J. Takeya, gV-Shaped Organic Semiconductors With Solution Processability, High Mobility, and High Thermal Durabilityh, Adv. Mater. 25, (2013) 6392-6397.
5) J. Soeda, T. Uemura, T. Okamoto, C. Mitsui, M. Yamagishi, and J. Takeya, gInch-Size Solution-Processed Single-Crystalline Films of High-Mobility Organic Semiconductorsh, Appl. Phys. Exp. 6, (2013) 076503-1/4.

Other Activities
Institute of Electrical and Electronics Engineers (IEEE)
Institute of Electronics, Information and Communication Engineers of Japan (IEICE)
Information Processing Society of Japan (IPSJ)
Institute of Electrical Engineers of Japan (IEEJ)
The Chemical Society of Japan (CSJ)
The Japan Society of Applied Physics (JSAP)
The Society of Polymer Science (SPS)
The Society of Physical Organic Chemistry, Japan (SPOC)
The Society of Synthetic Organic Chemistry, Japan (SSOC)
American Chemical Society (ACS)
Material Researcher Society (MRS)
The International Society for Optical Engineering (SPIE)

Future Plan
Our laboratory will develop practically useful organic semiconductors and related applications including organic transistors, organic electroluminescence, and organic photovoltaic devices in the near future.

Messages to Students
I hope you will join us in our mission to produce conceptually new organic semiconducting materials by using organic synthetic chemistry.