Benzopyrazine-fused tetracene derivatives: Thin-film formation at the crystalline mesophase for solution-processed hole transporting devices
S. Kojima, T. Okamoto, K. Miwa, H. Sato, J. Takeya, and Y. Matsuo Organic Electron.14, 437–444 (2013) DOI: 10.1016/j.orgel.2012.10.029
High-performance organic transistors with high-k dielectrics: A comparative study on solution-processed single crystals and vacuum-deposited polycrystalline films of 2,9-didecyl-dinaphtho[2,3-b:2’,3’-f]thieno[3,2-b]thiophene
W. Ou-Yang, T. Uemura, K. Miyake, S. Onish, T. Kato, M. Katayama, M. Kang, K. Takimiya, M. Ikeda, H. Kuwabara, M. Hamada, and J. Takeya Appl. Phys. Lett.101, 223304 (2012) DOI: 10.1063/1.4769436
Flexible Three-Dimensional Organic Field-Effect Transistors Fabricated by an Imprinting Technique
R. Nakahara, M. Uno, T. Uemura, K. Takimiya, and J. Takeya Adv. Mater.24, 5212-5216 (2012) DOI: 10.1002/adma.201201234
Relaxation Dynamics of Photoexcited Excitons in Rubrene Single Crystals Using Femtosecond Absorption Spectroscopy
S. Tao, N. Ohtani, R. Uchida, T. Miyamoto, Y. Matsui, H. Yada, H. Uemura, H. Matsuzaki, T. Uemura, J. Takeya, and H. Okamoto Phys. Rev. Lett.109, 097403 (2012) DOI: 10.1103/PhysRevLett.109.097403
Electroconductive π-Junction Au Nanoparticles
M. Kanehara, J. Takeya, T. Uemura, H. Murata, K. Takimiya, H. Sekine, and T. Teranishi Bull. Chem. Soc. Jpn.85, 957-961 (2012) DOI: 10.1246/bcsj.20120103
Band-like transport in solution-crystallized organic transistors
T. Uemura, K. Nakayama, Y. Hirose, J. Soeda, M. Uno, W. Li, M. Yamagishi, Y. Okada, and J. Takeya Current Applied Physics12, S87-S91 (2012) DOI: 10.1016/j.cap.2012.05.046
High-power three-dimensional polymer FETs
K. Nakayama, T. Uemura, M. Uno, T. Okamoto, I. Osaka, K. Takimiya, and J. Takeya Current Applied Physics12, S92–S95 (2012) DOI: 10.1016/j.cap.2012.04.016
Naphtho[2,1-b:6,5-b’]difuran: a versatile motif available for solution-processed single-crystal organic field-effect transistors with high hole mobility
C. Mitsui, J. Soeda, K. Miwa, H. Tsuji, J. Takeya, and E. Nakamura J. Am. Chem. Soc.134, 5448-5451 (2012) DOI: 10.1021/ja2120635
Temperature dependence of the Hall effect in pentacene field-effect transistors: Possibility of charge decoherence induced by molecular fluctuations
T. Uemura, M. Yamagishi, J. Soeda, Y. Takatsuki, Y. Okada, Y. Nakazawa, and J. Takeya Phys. Rev. B85, 035313 (2012) DOI: 10.1103/PhysRevB.85.035313
International Conference
Materials and devices of high-end organic transistors
J. Takeya
ICNME2012
December 12, 2012, Awaji Yumebutai International Conference Center, Awaji, Hyogo, Japan
High-mobility and high-speed charge transport in organic semiconductor crystals
J. Takeya
International Symposium on Organic Electronics
October 3-5, 2012, OIST, Okinawa, Japan
Micro-channel air-gap and ionic-liquid-gap organic single crystal transistors
J. Takeya and M. Uno
EDLT Workshop 2012
September 9, 2012, The University of Tokyo, Japan
Possible improvement in charge transport for high-temperature processed BHJ solar cells
G. Chi, K. Nakayama, T. Uemura, T. Okamoto, and J. Takeya
2012 International Conference on Flexible and Printed Electronics(ICFPE2012)
September 6-8, 2012, Yasuda Auditorium, Hongo Campus, The University of Tokyo, Japan
Organic single-crystal transistors with secondary gates on source and drain electrodes
K. Nakayama, T. Uemura, and J. Takeya
2012 International Conference on Flexible and Printed Electronics(ICFPE2012)
September 6-8, 2012, Yasuda Auditorium, Hongo Campus, The University of Tokyo, Japan
High Mobility in P- and N-type Solution-Crystallized Organic Transistors and High-performance Printable Inverters
J. Soeda, T. Uemura, Y. Hirose, M. Yamagishi, M. Uno, K. Nakayama, and J. Takeya
2012 International Conference on Flexible and Printed Electronics(ICFPE2012)
September 6-8, 2012, Yasuda Auditorium, Hongo Campus, The University of Tokyo, Japan
Solution-crystalized organic transistors and high-speed organic electronics
J. Takeya
The 10th International Nanotech Symposium & Nano Convergence Expo in Korea
Aug 16, 2012, Coex, Seoul, Korea
High-mobility charge transport in printed organic semiconductor crystals
J. Takeya
International Conference on Science and Technology of Synthetic Metals
July 9, 2012, The Hyatt Regency hotel in Downtown Atlanta, GA, USA.
Materials and devices of high-end organic semiconductors
J. Takeya
imec・Handai International Symposium
4-5 June, 2012, ISIR
High-Mobility Organic Active Matrices Based on Solution-Crystallized TFT Arrays
T. Uemrua, M. Uno, Y. Kanaoka and J. Takeya
The 19th International Display Workshops in conjunction with Asia Display 2012 IDW/AD’12
December 4–7, 2012, Kyoto International Conference Center Kyoto, Japan
Crystalline Organic TFTs for Active-Matrix Display Panels
J. Takeya, T. Uemura, M. Uno and Y. Kanaoka
The 19th International Display Workshops in conjunction with Asia Display 2012 IDW/AD’12
December 4–7, 2012, Kyoto International Conference Center Kyoto, Japan
Solution-Crystallized High-Mobility Organic Active Matrices and Display Panels
J. Takeya, T. Uemura, M. Uno and Y. Kanaoka
The 19th International Display Workshops in conjunction with Asia Display 2012 IDW/AD’12
December 4–7, 2012, Kyoto International Conference Center Kyoto, Japan
Intermolecular electronic coherence and high-speed operation in organic transistors
J. Takeya
International Workshop on Organic Field-effect Transistors and Functional Interfaces
October 27-31, 2012, Princeton, NJ
Intermolecular electronic coherence in organic single-crystal transistors and high-speed organic electronics
J. Takeya
Material Research Society, Fall Meeting
November 28, 2012, Boston, MA
Intermolecular Electronic Coherence in Organic Single-crystal Transistors and High-speed Organic Electronics
J. Takeya and T. Uemura
The fifth international symposium on Atomically Controlled Fabrication Technology
October 22-24, 2012, Osaka University Nakanoshima Center, Osaka, Japan
Hole Transporting Properties in Single-crystal of U-shaped Furan- and Thiophene-containing π-conjugated Organic Materialss
K. Nakahara, T. Okamoto, C. Mitsui, K. Miwa, M. Yamagishi, T. Uemura, H. Sato, A. Yamano, and J. Takeya
The fifth international symposium on Atomically Controlled Fabrication Technology
October 22-24, 2012, Osaka University Nakanoshima Center, Osaka, Japan
A novel device structure for reducing contact resistances in organic field-effect transistors
K. Nakayama, T. Uemura, M. Uno, and J. Takeya
2012 International Conference on Flexible and Printed Electronics(ICFPE2012)
September 6-8, 2012, Yasuda Auditorium, Hongo Campus, The University of Tokyo, Japan
Single-crystal structures and Hole Transport Properties of Dinaphto[2,1-b; 1′,2′-d] chalcogenophenes
K. Nakahara, T. Okamoto, C. Mitsui, K. Miwa, M. Yamagishi, T. Uemura, H. Sato, A. Yamano, and J. Takeya
2012 International Conference on Science and Technology of Synthetic Metals
July 8-13, 2012, The Hyatt Regency hotel in Downtown Atlanta, GA, USA.
High-mobility and high-speed organic single crystal transistors
J. Takeya
Gordon Research Conference
June 4-8, 2012, Barga, Italy
High-power and air-stable three-dimensional polymer FETs
K. Nakayama, T. Uemura, M. Uno, I. Osaka, K. Takimiya, and J. Takeya
MRS Spring Meeting
April 9-13, 2012, San Francisco Convention Center
Dinaphtho[1,2-b:2′,1′-d]chalcogenophenes: investigation of the effect of the chalcogen atoms on the molecular orbitals, crystal structures, and FET performances
C. Mitsui, T. Okamoto, Y. Takatsuki, M. Yamagishi, Y. Hirose, K. Miwa, H. Sato, A. Yamano, T. Uemura, J. Takeya
MRS Spring Meeting
April 9-13, 2012, San Francisco Convention Center
Organic single-crystal transistors under high pressure
Y. Okada, K. Sakai, S. Kitaoka, T. uemura, and J. Takeya
MRS Spring Meeting
April 9-13, 2012, San Francisco Convention Center
Charge transport in high-performance solution-crystallized organic transistors
J. Takeya
Seminar, Cambridge
February 27, 2012, Cambridge
Hign-performance organic transistors
J. Takeya
Seminar
January 13, 2012,LG
Charge transport in high-performance organic transistors
J. Takeya
Seminar, Holst Center
January 20, 2012, Holst Center
Organic single-crystal semiconductors
J. Takeya
Colloquium, Erlangen University
January 23, 2012, Erlangen
Pressure effect in organic single-crystal transistors
Y. Okada, K. Sakai, S. Kitaoka, T. uemura, and J. Takeya
APS March Meeting
February 28-March 2, 2012, Boston Convention Center
High-performance solution-crystalized organic single crystal transistorstransistors
J. Takeya
IMEC-Colloquium
January 19, 2012, IMEC, Belgium