Tetsuya Aoyama

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Name
Tetsuya Aoyama
Affiliation
RIKEN
Research funding number
50342738

Research Areas

 
 

Published Papers

 
Lee Yeon Ui, Gaudin Olivier P. M., Lee KwangJin, Choi Eunyoung, Placide Virginie, Takaishi Kazuto, Muto Tsuyoshi, Andre Pascal, Muranaka Atsuya, Uchiyama Masanobu, Mathevet Fabrice, Aoyama Tetsuya, Wu JeongWeon, D'Aleo Anthony, Ribierre Jean-Charles
ACS PHOTONICS   6(7) 1681-1689   Jul 2019   [Refereed]
Ribierre Jean-Charles, Li Zhao, Liu Xiao, Lacaze Emmanuelle, Heinrich Benoit, Mery Stephane, Sleczkowski Piotr, Xiao Yiming, Lafolet Frederic, Hashizume Daisuke, Aoyama Tetsuya, Uchiyama Masanobu, Wu Jeong Weon, Zaborova Elena, Fages Frederic, D'Aleo Anthony, Mathevet Fabrice, Adachi Chihaya
JOURNAL OF MATERIALS CHEMISTRY C   7(11) 3190-3198   Mar 2019   [Refereed]
Okamoto Y, Tanioka M, Muranaka A, Miyamoto K, Aoyama T, Ouyang X, Kamino S, Sawada D, Uchiyama M
Journal of the American Chemical Society      Dec 2018   [Refereed]
Ribierre Jean-Charles, Tanaka Toshihiko, Zhao Li, Yokota Yuki, Matsumoto Shinya, Hashizume Daisuke, Takaishi Kazuto, Muto Tsuyoshi, Heinrich Benoit, Mery Stephane, Mathevet Fabrice, Matsushima Toshinori, Uchiyama Masanobu, Adachi Chihaya, Aoyama Tetsuya
ADVANCED FUNCTIONAL MATERIALS   28(19)    May 2018   [Refereed]
Calvyn T. Howells, Sueda Saylan, Haeri Kim, Khalid Marbou, Tetsuya Aoyama, Aiko Nakao, Masanobu Uchiyama, Ifor D.W. Samuel, Dong Wook Kim, Marcus S. Dahlem, Pascal André
Journal of Materials Chemistry A   6 16012-16028   Sep 2018   [Refereed]
© 2018 The Royal Society of Chemistry. Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is widely used to build optoelectronic devices. However, as a hygroscopic water-based acidic material, it brings major concerns for stabilit...
Tetsuya Aoyama, Hirokazu Tanaka, Yusuke Tajima
Proceedings of SPIE - The International Society for Optical Engineering   10529    Jan 2018
Copyright © 2018 SPIE. Organic light-emitting diode (OLED) materials were deposited directly on a concave glass surface using the electrospray deposition (ESD) technique to obtain three-dimensional (3D) multilayer OLEDs. Deposition without dissolv...
Watanabe Satoshi, Ohta Takahisa, Urata Rota, Sato Tetsuya, Takaishi Kazuto, Uchiyarna Masanobu, Aoyama Tetsuya, Kunitake Masashi
LANGMUIR   33(36) 8906-8913   Sep 2017   [Refereed]
Kimoto Atsushi, Takaku Hideaki, Hayakawa Harumi, Koseki Mika, Ishihama Rie, Aoyama Tetsuya, Tajima Yusuke
THIN SOLID FILMS   636 302-306   Aug 2017   [Refereed]
早川 晴美, 高久 英明, 田中 浩和, 下村 克則, 青山 哲也, 鎌田 憲彦, 田島 右副
太陽エネルギー = Journal of Japan Solar Energy Society   43(2) 59-66   2017
Watanabe S, Fujita T, Ribierre JC, Takaishi K, Uchiyama M, Adachi C, Muto T, Aoyama T, Matsumoto M
ACS applied materials & interfaces      May 2016   [Refereed]
Tanaka T, Ishitobi M, Aoyama T, Matsumoto S
Langmuir : the ACS journal of surfaces and colloids   32(19) 4710-4718   May 2016   [Refereed]
Tajima Yusuke, Takaku Hideaki, Hayakawa Harumi, Okamoto Shota, Aoyama Tetsuya, Matsushita Shoshiro
Journal of Photopolymer Science and Technology   29(2) 301‐304(J‐STAGE)   2016
AOYAMA TETSUYA, MATSUMOTO SHIN'YA, TAJIMA YUSUKE, RIBIERRE JEAN-CHARLES
J. Jpn. Soc. Colour Mater.   88(10) 348-352   Oct 2015   [Refereed]
J. C. Ribierre, J. C. Ribierre, J. C. Ribierre, L. Zhao, S. Furukawa, T. Kikitsu, D. Inoue, A. Muranaka, K. Takaishi, T. Muto, S. Matsumoto, D. Hashizume, M. Uchiyama, M. Uchiyama, P. André, P. André, C. Adachi, T. Aoyama
Chemical Communications   51 5836-5839   Apr 2015   [Refereed]
© The Royal Society of Chemistry 2015. A simple and versatile solution-processing method based on molecular self-assembly is used to fabricate organic single crystal microwires of a low bandgap quinoidal oligothiophene derivative. Individual singl...
Toshihiko Tanaka, Toshihiko Tanaka, Toshihiko Tanaka, Toshihiko Tanaka, Masamitsu Ishitobi, Tetsuya Aoyama, Shinya Matsumoto
Chemistry Letters   44 462-464   Jan 2015   [Refereed]
© 2015 The Chemical Society of Japan. Anisotropic molecular thin films have been prepared by depositing several bisazomethine dyes under vacuum through evaporation on aligned poly(tetrafluoroethylene) (PTFE) layers. Their anisotropy and spectra si...
E. Y. Choi, L. Mazur, L. Mazur, L. Mager, M. Gwon, D. Pitrat, J. C. Mulatier, C. Monnereau, A. Fort, A. J. Attias, K. Dorkenoo, J. E. Kwon, Y. Xiao, K. Matczyszyn, M. Samoc, D. W. Kim, A. Nakao, B. Heinrich, D. Hashizume, M. Uchiyama, M. Uchiyama, S. Y. Park, F. Mathevet, T. Aoyama, C. Andraud, J. W. Wu, A. Barsella, J. C. Ribierre
Physical Chemistry Chemical Physics   16 16941-16956   Aug 2014   [Refereed]
We investigate the photophysical and amplified spontaneous emission pfroperties of a series of monodisperse solution-processable oligofluorenes functionalized with hexyl chains at the C9 position of each fluorene unit. Thin films of these oligoflu...
Kim RH, Kim HJ, Bae I, Hwang SK, Velusamy DB, Cho SM, Takaishi K, Muto T, Hashizume D, Uchiyama M, André P, Mathevet F, Heinrich B, Aoyama T, Kim DE, Lee H, Ribierre JC, Park C
Nature communications   5 3583   Apr 2014   [Refereed]
Watanabe S, Fukuchi Y, Fukasawa M, Sassa T, Kimoto A, Tajima Y, Uchiyama M, Yamashita T, Matsumoto M, Aoyama T
ACS applied materials & interfaces   6(3) 1481-1487   Feb 2014   [Refereed]
J. C. Ribierre, J. C. Ribierre, Y. Yokota, Y. Yokota, M. Sato, A. Ishizuka, A. Ishizuka, T. Tanaka, S. Watanabe, S. Watanabe, M. Matsumoto, A. Muranaka, S. Matsumoto, S. Matsumoto, M. Uchiyama, M. Uchiyama, T. Aoyama
RSC Advances   4 36729-36737   Jan 2014   [Refereed]
We report the effects of crystalline grain orientation on the charge transport properties of a J-aggregate bisazomethine dye (DE2) in thin films. Highly oriented DE2 organic field-effect transistors are fabricated using an insulating alignment lay...
Dhinesh Babu Velusamy, Richard Hahnkee Kim, Kazuto Takaishi, Tsuyoshi Muto, Daisuke Hashizume, Soyoon Lee, Masanobu Uchiyama, Tetsuya Aoyama, Jean Charles Ribierre, Jean Charles Ribierre, Cheolmin Park
Organic Electronics: physics, materials, applications   15 2719-2727   Jan 2014   [Refereed]
Polymer ferroelectric-gate field effect transistors (Fe-FETs) employing ferroelectric polymer thin films as gate insulators are highly attractive as a next-generation non-volatile memory. For minimizing gate leakage current of a device which arise...
H. Y. Shin, J. H. Woo, M. J. Gwon, M. Barthelemy, M. Vomir, T. Muto, K. Takaishi, M. Uchiyama, D. Hashizume, T. Aoyama, D. W. Kim, S. Yoon, J. Y. Bigot, J. W. Wu, J. C. Ribierre, J. C. Ribierre
Physical Chemistry Chemical Physics   15 2868-2872   Feb 2013   [Refereed]
We report on singlet-singlet annihilation and exciton diffusion in as-prepared p-type and annealed n-type thin films of the low-bandgap quinoidal quaterthiophene [QQT(CN)4] using ultrafast transient absorption measurements. The decay dynamics of e...
J. C. Ribierre, J. C. Ribierre, K. Takaishi, L. Mager, T. Fujihara, T. Muto, M. Uchiyama, T. Aoyama
Molecular Crystals and Liquid Crystals   566 2-7   Nov 2012   [Refereed]
We report on the charge transport and absorption properties of a low bandgap quinoidal oligothiophene derivative [QQT(CN)4]. Organic field-effect transistors based on as-prepared QQT(CN)4 thin films show an ambipolar p-type dominant behavior and c...
Watanabe S, Fukuchi Y, Fukasawa M, Sassa T, Uchiyama M, Yamashita T, Matsumoto M, Aoyama T
Langmuir : the ACS journal of surfaces and colloids   28(28) 10305-10309   Jul 2012   [Refereed]
J. C. Ribierre, J. C. Ribierre, M. Sato, A. Ishizuka, A. Ishizuka, T. Tanaka, S. Watanabe, M. Matsumoto, S. Matsumoto, M. Uchiyama, T. Aoyama
Organic Electronics: physics, materials, applications   13 999-1003   Jun 2012   [Refereed]
We report on the fabrication and the characterization of p-type organic field-effect transistors based on vapor-deposited J-aggregate bisazomethine dye thin films. The absorption spectra of this non-ionic organic semiconductor in the solid state s...
Toshihiko Tanaka, Toshihiko Tanaka, Toshihiko Tanaka, Miei Satoh, Miei Satoh, Masamitsu Ishitobi, Tetsuya Aoyama, Shinya Matsumoto
Chemistry Letters   40 1170-1172   Dec 2011   [Refereed]
Highly anisotropic thin molecular films have been successfully prepared by depositing a bisazomethine dye under vacuum through evaporation on friction-transferred (FT) poly(tetrafluoroethylen(e) (PTF(E) layers. The layers induce the high orientati...
J. C. Ribierre, J. C. Ribierre, T. Aoyama, T. Muto, P. André, P. André
Organic Electronics: physics, materials, applications   12 1800-1805   Nov 2011
We demonstrate the realization of the first liquid nonvolatile rewritable memories relying on a blend of liquid carbazole and silver nanoparticles. When an external bias voltage is applied across this single active layer based structure, a bistabl...
J. C. Ribierre, J. C. Ribierre, S. Watanabe, S. Watanabe, M. Matsumoto, T. Muto, D. Hashizume, T. Aoyama
Journal of Physical Chemistry C   115 20703-20709   Oct 2011
We examine the influence of film thickness on the optical and ambipolar field-effect transistor properties of solution-processed dicyanomethylene- substituted quinoidal oligothiophene [QQT(CN)4] thin films. Threshold voltages for both p- and n-cha...
Toshihiko Tanaka, Toshihiko Tanaka, Toshihiko Tanaka, Shinya Matsumoto, Takashi Kobayashi, Miei Satoh, Miei Satoh, Tetsuya Aoyama
Journal of Physical Chemistry C   115 19598-19605   Oct 2011
Highly oriented J-aggregates have been obtained in solid, thin films of a bisazomethine dye on aligned poly(tetrafluoroethylene) (PTFE) surfaces. The aggregates show remarkable optical anisotropy resulting from their high orientational order: the ...
J. C. Ribierre, J. C. Ribierre, K. Takaishi, T. Muto, T. Aoyama
Optical Materials   33 1415-1418   Jul 2011
We report on the fabrication and characterization of ambipolar organic field-effect transistors based on the solution-processable quinoidal oligothiophene [QQT(CN)4] and using a new fluorinated polymer (AL-X601) with a dielectric constant of 3.1 a...
J. C. Ribierre, J. C. Ribierre, S. Ghosh, K. Takaishi, T. Muto, T. Aoyama
Journal of Physics D: Applied Physics   44    May 2011
Solution-processed ambipolar organic field-effect transistors based on dicyanomethylene-substituted quinoidal quaterthiophene derivative [QQT(CN)4] are fabricated using various gate dielectric materials including cross-linked polyimide and poly-4-...
Ribierre JC, Watanabe S, Matsumoto M, Muto T, Nakao A, Aoyama T
Advanced materials (Deerfield Beach, Fla.)   22(36) 4044-4048   Sep 2010   [Refereed]
J. C. Ribierre, T. Fujihara, T. Muto, T. Aoyama
Organic Electronics: physics, materials, applications   11 1469-1475   Aug 2010
Spatial control of the ambipolar charge transport properties in organic thin films made from the solution-processible dicyanomethylene-substituted quinoidal quaterthiophene [QQT(CN)4] can be achieved by direct laser writing. Here we report on the ...
J. C. Ribierre, T. Fujihara, T. Muto, T. Aoyama
Applied Physics Letters   96    Jun 2010
We investigate the effects of laser irradiation on the performance of organic field-effect transistors based on the solution-processible quinoidal oligothiophene [QQT(CN)4]. Whereas electron field-effect mobilities are not modified, hole transport...
Jean Charles Ribierre, Tetsuya Aoyama, Satoshi Watanabe, Satoshi Watanabe, Jie Gu, Tsuyoshi Muto, Mutsuyoshi Matsumoto, Aiko Nakao, Tatsuo Wada
Japanese Journal of Applied Physics   49    Apr 2010
Quinoidal oligothiophenes have recently emerged as a promising class of organic semiconductors for organic electronics. In this study, solution-processed neat films of a novel n-type quinoidal quaterthiophene modified with electron-withdrawing gro...
Ribierre JC, Fujihara T, Watanabe S, Matsumoto M, Muto T, Nakao A, Aoyama T
Advanced materials (Deerfield Beach, Fla.)   22(15) 1722-1726   Apr 2010   [Refereed]
J. C. Ribierre, S. Watanabe, S. Watanabe, M. Matsumoto, T. Muto, T. Aoyama
Applied Physics Letters   96    Mar 2010
We report on the realization of high performance solution-processed ambipolar organic transistors based on a quinoidal oligothiophene derivative. The devices show hole and electron field-effect mobilities in air as high as 0.1 and 0.006 cm2 V-1 s-...
Takuya Hosokai, Tetsuya Aoyama, Takashi Kobayashi, Aiko Nakao, Shinya Matsumoto, Shinya Matsumoto
Chemical Physics Letters   487 77-80   Feb 2010
Photovoltaic properties of bisazomethine dye (DE2) in vacuum-deposited thin films were examined for use in Schottky-type photovoltaic cells (ITO/DE2/Al). We measured dark and photo current-voltage characteristics and determined photocurrent action...
Satoshi Watanabe, Tetsuya Aoyama, Yasumasa Fukuchi, Takafumi Sassa, Takashi Yamashita, Mutsuyoshi Matsumoto, Tatsuo Wada
Journal of Photopolymer Science and Technology   22 571-574   Sep 2009
Ana Laura Pérez-Martínez, Takeshi Ogawa, Tetsuya Aoyama, Tatsuo Wada
Optical Materials   31 912-918   Apr 2009
A series of isomeric polymers containing hexa-2,4-diynylene-1,6-dioxybenzoate group as the main chain and a polar azo dye (Disperse Red 13) as in the side chain were synthesized, and their second order nonlinear optical responses were studied. The...
Hidetaka Hiyoshi, Tetsuya Aoyama, Tatsuo Wada, Takaaki Sonoda, Shuntaro Mataka
Heterocycles   77 595-602   Jan 2009
The 1,3,4-oxadiazole-substituted donor-π-acceptor cyclic triindole, 5,10,15-tris(2-ethylhexyl)-2,7,12-tris-[4-(4-t-butylphenyl-1,3,4-oxadiazol-2-yl)-phenyl]-10,15-dihydro-5H-5,10,15-triazadiindeno[l,2-a;1′,2′-c]fluorene (3), showed an electrolumin...
J. C. Ribierre, T. Aoyama, T. Muto, Y. Imase, T. Wada
Organic Electronics: physics, materials, applications   9 396-400   Jun 2008
The hole mobility in 9-(2-ethylhexyl)carbazole so-called liquid carbazole, in poly(N-vinylcarbazole) (PVK) and in their blends is determined by time-of-flight experiment using a phthalocyanine charge generation layer. With an applied electric fiel...
Tetsuya Aoyama, Yasumasa Fukuchi, Takafumi Sassa, Takashi Yamashita, Tatsuo Wada, Tatsuo Wada
Journal of Photopolymer Science and Technology   20 93-95   Sep 2007
J. C. Ribierre, T. Aoyama, T. Kobayashi, T. Sassa, T. Muto, T. Wada
Journal of Applied Physics   102    Aug 2007
We study by two-beam coupling experiments the photorefractive properties of a poly (N vinylcarbazole) (PVK) matrix plasticized with different concentrations of 9-(2-ethylhexyl)carbazole (EHCz), so-called liquid carbazole, and doped with the photos...
Takashi Kobayashi, Shinya Matsumoto, Tetsuya Aoyama, Tatsuo Wada
Thin Solid Films   509 145-148   Jun 2006
The third-order optical nonlinearity of the J-aggregates of nonionic dye in vapor-deposited films has been investigated in terms of electroabsorption measurement. Compared with that of a monomer film of the dye, the nonlinearity was enhanced by a ...
Tetsuya Aoyama, Tetsuya Aoyama, Tatsuo Wada, Miriam F. Beristain, Takeshi Ogawa
Molecular Crystals and Liquid Crystals   446 55-60   Feb 2006
We discuss the second harmonic generation (SHG) properties for the newly synthesized ortho- and meta-polymers containing dipropargyloxybenzoates in the main chain and Disperse Red 1 in the side chain with an in-situ SHG measurement. The second har...
MATSUMOTO Shinya, KOBAYASHI Takashi, AOYAMA Tetsuya, WADA Tatsuo
Journal of the Japan Society of Colour Material   79(11) 503-510   2006
Tetsuya Aoyama, Jean Charles Ribierre, Takafumi Sassa, Takashi Kobayashi, Tsuyoshi Muto, Tatsuo Wada
Nonlinear Optics Quantum Optics   34 151-154   Dec 2005
Photorefractive (PR) responses for guest-host polymers containing a liquid carbazole which shows hole transport properties are presented. We measured the two-beam coupling (TBC) gain for the PR polymers containing a host polymer polyvinylcarbazole...
Noro S, Chang HC, Takenobu T, Murayama Y, Kanbara T, Aoyama T, Sassa T, Wada T, Tanaka D, Kitagawa S, Iwasa Y, Akutagawa T, Nakamura T
Journal of the American Chemical Society   127(28) 10012-10013   Jul 2005   [Refereed]
Kobayashi T, Matsumoto S, Tanaka T, Kunugita H, Ema K, Aoyama T, Wada T
Physical chemistry chemical physics : PCCP   7(8) 1726-1731   Apr 2005   [Refereed]
Matsumoto S, Kobayashi T, Aoyama T, Wada T
Chemical communications (Cambridge, England)   (15) 1910-1911   Aug 2003   [Refereed]
IMASE YOSHIHIRO, GUNJI ATSUSHI, SASSA TAKAFUMI, AOYAMA TETSUYA, WADA TATSUO
電子情報通信学会論文誌 C   J85-C(12) 1127-1133   Dec 2002
Tetsuya Aoyama, Emi Takabasyhi, Yadong Zhang, Hiroyuko Sasabe, Tatsuo Wada
IEICE Transactions on Electronics   E85-C 1282-1286   Jun 2002
Angle-multiplexed holography using four-wave mixing (4WM) was demonstrated with a monolithic photorefractive carbazole trimer. We measured the diffraction efficiency as a function of incident angle of the read beam. The cross-talk was almost negli...
J. Hwang, H. Moon, J. Seo, S. Y. Park, T. Aoyama, T. Wada, H. Sasabe
Polymer   42 3023-3031   Jan 2001
2-[3-(6-Nitro-benzoxazol-2-yl)-indol-1-yl]-ethanol (5) was synthesized as a photoconducting non-linear optical (NLO) chromophore with thermal and photochemical stabilities and broad transparency at the visible region. The peak wavelength of optica...
T. Aoyama, T. Wada, Y. D. Zhang, Y. Moritsuki, Y. Yonechi, H. Sasabe, Y. Koike
Polymer Journal   33 718-722   Jan 2001
The polarization and depolarization behavior of electric field-induced polar alignment in a side- and main-chain photorefractive polymer was measured by thermally stimulated current (TSC) and electro-optic (EO) modulation experiments. A relaxation...
Cheolsoo Jung, Tetsuya Aoyama, Tatsuo Wada, Hiroyuki Sasabe, Mitsutoshi Jikei, Masa aki Kakimoto
High Performance Polymers   12 205-212   Mar 2000
We report here the photorefractive effect in monolithic structural polyimides containing the triphenylamino-(p-nitrophenyl)-ethylene group as a nonlinear optical (NLO) chromophore and hole transfer. Three types of polyimides were synthesized to co...
Tetsuya Aoyama, Tatsuo Wada, Ya Dong Zhang, Takafumi Sassa, Hiroyuki Sasabe, Keisuke Sasaki, Yasuhiro Koike
Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics   22 205-208   Dec 1999
We examined photoconductive, electro-optic and photorefractive properties of three kinds of photorefractive polymers: a carbazole main-chain polymer, and main- and side-chain polymers in which additional functional group was introduced. We observe...
Yadong Zhang, Tatsuo Wada, Tetsuya Aoyama, Liming Wang, Hiroyuki Sasabe
Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals   294-95 51-54   Dec 1997
New carbazole photorefractive polymers with net photorefractive gain are reported.
Kenji Ogino, Tomohiro Nomura, Takeshi Shichi, Sang H. Park, Hisaya Sato, Tetsuya Aoyama, Tatsuo Wada
Chemistry of Materials   9 2768-2775   Dec 1997
Acrylate type of monomer having tetraphenyldiaminobiphenyl (TPD) unit was prepared and was homo- and copolymerized with n-butyl acrylate using AIBN as an initiator. Electrochemical property of synthesized polymers was evaluated with cyclic voltamm...
Tetsuya Aoyama, Tatsuo Wada, Ya Dong Zhang, Nahoko Saito, Hiroyuki Sasabe, Keisuke Sasaki
Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals   294-95 63-66   Dec 1997
We examined both photoconductive and electro-optical properties of the monolithic photorefractive polymer. The photoconductive sensitivity of 1.2×10-12(S cm-1)/(W cm-2) was obtained under a field strength of 5×105V/cm and a wavelength of 534nm. Th...
Yadong Zhang, Tatsuo Wada, Liming Wang, Tetsuya Aoyama, Hiroyuki Sasabe
Chemical Communications   2325-2326   Dec 1996
Main-chain polymers containing carbazole substituted with two acceptor groups as a multifunctional moiety are synthesized and exhibit photorefractive net gain.
Tetsuya Aoyama, Tatsuo Wada, Ya Dong Zhang, Takashi Isoshima, Yasuhiro Togo, Hiroyuki Sasabe, Keisuke Sasaki
Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics   15 403-406   Jan 1996
Reflection and Mach-Zehnder intermetric methods were performed to determine the electro-optic coefficients r13 and r33 for mono- and di-substituted carbazole compounds. The tensor ratios r33/r13 for poled PMMA films doped with mono- and di-dicyano...
Takashi Isoshima, Tatsuo Wada, Ya Dong Zhang, Tetsuya Aoyama, Jean Luc Bredas, Hiroyuki Sasabe
Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics   15 65-68   Jan 1996
The advantage of two-dimensional (2-D) charge-transfer (CT) chromophore in a poled polymeric system over 1-D CT ones is theoretically demonstrated in terms of photonic device applications. Poling behavior of second harmonic generation coefficient ...

Misc

 
AOYAMA TETSUYA
有機エレクトロニクスの実用化に向けた次世代製造技術講演要旨集 理研シンポジウム 平成26年度   29-32   2014
KIMOTO ATSUSHI, KOSEKI MIKA, TAKAKU HIDEAKI, HAYAKAWA HARUMI, AOYAMA TETSUYA, WATANABE JUNJI, IKEDA YOSHIYUKI, TAJIMA YUSUKE
太陽/風力エネルギー講演論文集   2013 99-100   Nov 2013
TAKAKU HIDEAKI, HAYAKAWA HARUMI, AOYAMA TETSUYA, MATSUTAKA HIROSHI, TAJIMA YUSUKE
太陽/風力エネルギー講演論文集   2013 97-98   Nov 2013
AOYAMA TETSUYA
有機エレクトロニクス製造のための新しい成膜技術講演要旨集 平成25年度 理研シンポジウム   25-26   2013
H. Y. Shin, H. Y. Shin, J. H. Woo, J. H. Woo, B. Kang, M. J. Kwon, M. J. Kwon, M. Barthelemy, M. Vomir, T. Muto, T. Takaishi, T. Aoyama, D. W. Kim, D. W. Kim, S. Yoon, S. Yoon, J. Y. Bigot, J. W. Wu, J. W. Wu, J. C. Ribierre, J. C. Ribierre
2012 Conference on Lasers and Electro-Optics, CLEO 2012      Dec 2012
To study the photophysical properties of the quinoidal oligothiophene derivative [QQT(CN)4], we measured the optical limiting and transient absorption properties in both solution and thin films using femtosecond laser and ultrafast pump probe expe...
IMAI Noboru, NAGASHIMA Toshio, KASE Kiwamu, TAJIMA Yusuke, AOYAMA Tetsuya, ORII Takaaki
The Computational Mechanics Conference   2012(25) 239-240   Oct 2012
Takeshi Fukuda, Hirotaka Asaki, Takashi Asano, Kenji Takagi, Zentaro Honda, Norihiko Kamata, Tetsuya Aoyama, Jungmyoung Ju, Yutaka Yamagata
Proceedings of the International Display Workshops   2 849-852   Dec 2011
We demonstrated the smooth surface roughness of the poly[9,9- dioctylfluorenyl-2,7-diyl]-co-1,4-benzo-(2,1,3)-thiadiazole (F8BT) thin film fabricated by the electrospray deposition technique. The root mean square roughness of the F8BT thin film wa...
TAKAGI KENJI, ASANO TAKASHI, FUKUDA TAKESHI, HONDA ZENTARO, KAMATA NORIHIKO, JU JUNGMYOUNG, YAMAGATA YUTAKA, AOYAMA TETSUYA, TAJIMA YUSUKE
電子情報通信学会技術研究報告   111(73(OME2011 14-21)) 31-34   May 2011
ASANO TAKASHI, TAKAGI KENJI, FUKUDA TAKESHI, JU JUNGMYOUNG, HONDA ZENTARO, KAMATA NORIHIKO, TAJIMA YUSUKE, AOYAMA TETSUYA, YAMAGATA YUTAKA
電子情報通信学会技術研究報告   110(243(OME2010 46-54)) 11-14   Oct 2010
Shin Ichiro Noro, Takafumi Sassa, Tetsuya Aoyama, Ho Chol Chang, Susumu Kitagawa, Tatsuo Wada
Proceedings of SPIE - The International Society for Optical Engineering   5517 12-19   Dec 2004
We synthesized novel ligand-based mixed valence (LBMV) Cr III-dioxolene complexes, [Cr(X4SQ)(X 4Cat)(4,4'-di-tert-butyl-2,2'-bpy)] (SQ = semiquinone, Cat = catecohol, 2,2'-bpy = 2,2'-bipyridine; X = Cl (2a) and Br (2b)) and [Cr(X 4SQ)(X4Cat)(4,4'-...
Tsuyoshi Muto, Tsuyoshi Muto, Takafumi Sassa, Tetsuya Aoyama, Mutsumi Kimura, Hirofusa Shirai, Tatsuo Wada
Proceedings of SPIE - The International Society for Optical Engineering   5517 199-206   Dec 2004
Vanadyl phthalocyanine derivatives having optically active side chains and the corresponding racemic isomers were synthesized and examined as nonlinear optical materials. These dyes were soluble in organic solvents and gave uniform thin films usin...
T. Aoyama, J. C. Ribierre, T. Sassa, T. Kobayashi, T. Muto, T. Wada
Proceedings of SPIE - The International Society for Optical Engineering   5521 9-16   Dec 2004
We investigated the carrier transport and photorefractive properties in multi-component materials containing 9-(2-ethylhexyl)carbazole (EHCz), so-called liquid carbazole. The electric-field dependence of the carrier mobility for EHCz and polyvinyl...
AOYAMA TETSUYA, SASA TAKAFUMI, WADA TATSUO
ソフト・オプトエレクトロニクス材料:1+1>2 理研シンポジウム/第140回JOEM講演要旨集 平成16年   41-49   2004
T. Aoyama, T. Sassa, N. Mooren, Y. Imase, A. Gunji, T. Sone, M. Tabata, T. Okubo, T. Mitani, T. Wada
Proceedings of SPIE - The International Society for Optical Engineering   5216 63-70   Dec 2003
We discussed the electric and optical properties of three types of conjugated carbazole polymers: substituted polyacetylene with carbzole moiety, main-chain polymers having conjugated carbazole trimer units, and triindole units. Substituted polyac...
KOBAYASHI TAKASHI, MATSUMOTO SHIN'YA, AOYAMA TETSUYA, WADA TATSUO
電子情報通信学会技術研究報告   103(360(OPE2003 131-142)) 35-40   Oct 2003
AOYAMA TETSUYA, OGAWA TAKESHI, WADA TATSUO
電子情報通信学会技術研究報告   103(84(OME2003 16-23)) 17-21   May 2003
MUTO TSUYOSHI, AOYAMA TETSUYA, WADA TATSUO, KIMURA MUTSUMI, SHIRAI HIROFUSA
電子情報通信学会技術研究報告   103(84(OME2003 16-23)) 1-4   May 2003
Takafumi Sassa, Tetsuya Aoyama, Yadong Zhang, Tatsuo Wada, Hiroyuki Sasabe
Proceedings of SPIE - The International Society for Optical Engineering   3471 81-87   Dec 1998
Two-beam coupling gain obtained from an orientational index grating was observed without applying an external field in a photorefractive polymeric material with low glass transition temperature. A novel carbazole derivative with a photoreactive fu...
Tetsuya Aoyama, Tatsuo Wada, Ya Dong Zhang, Hiroyuki Sasabe, Keisuke Sasaki
Proceedings of SPIE - The International Society for Optical Engineering   3147 103-110   Dec 1997
Photocarrier generation properties and an electro-optic response were studied in acceptor-substituted carbazole materials. Two kinds of carbazole systems were investigated: molecularly doped polymer and main-chain polymer. The photoconductive sens...
T. Wada, Y. Zhang, T. Aoyama, Y. Kubo, H. Sasabe
Materials Research Society Symposium - Proceedings   488 255-264   Dec 1997
To fill the gap between molecular design and the architecture of three-dimensional functional structures, we propose novel hyper-structured molecules (HSMs) based on well-defined and topologically controlled molecular systems. To this end we have ...
Tatsuo Wada, Tatsuo Wada, Yadong Zhang, Tetsuya Aoyama, Hiroyuki Sasabe, Hiroyuki Sasabe
Proceedings of the Japan Academy Series B: Physical and Biological Sciences   73 165-169   Oct 1997
We have developed a novel multifunctional chromophore for photorefractive applications. This chromophore, a carbazole oligomer, possesses all the properties required for photorefractivity. Furthermore, because of its good film forming properties, ...

Patents

 
田島 右副, 加瀬 究, 折井 孝彰, 今井 登, 青山 哲也, 山形 豊, 朱 正明, 高久 英明
田島 右副, 青山 哲也, 高久 英明, 折井 孝彰, 今井 登, 加瀬 究, 早川 晴美
青山 哲也, リビエル ジーンチャールズ モーリス, 和田 達夫, 藤原 隆
田中 利彦, 松本 真哉, 青山 哲也, 和田 達夫