Takashi Nagase

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Name
Takashi Nagase
Affiliation
Osaka Prefecture University
Section
Graduate School of Engineering, Division of Electronics, Mathematics and Physics
Research funding number
00399536

Awards & Honors

 
Jun 2019
Performance improvement of solution-processed optical organic transistor memories using binary small molecules dispersed polymer storage layers, Student Presentation Award, 10th International Conference on Molecular Electronics and Bioelectronics
Winner: Hayato Abe
 
Dec 2018
Enhanced field-effect mobility of top-gate organic transistors with channel length of 5 μm using solution-processed MoO3 hole injection layers, Outstanding Poster Paper Award, The 25th International Display Workshops
Winner: Tomoya Aiba, Takashi Nagase, Takashi Kobayashi, Yuichi Sadamitsu,and Hiroyohi Naito
 
Dec 2017
Enhanced Mobility of Top-Gate Dialkyl BTBT Transistors by Spin Coating from Non-Halogen Solvents, Best Paper Award, The 24th International Display Workshops
Winner: Shoya Sanda, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Yuichi Sadamitsu, and Hiroyoshi Naito
 
Dec 2017
Solution-Processed Nonvolatile Optical Transistor Memory for Multi-Level Data Storage Devices, Outstandig Poster Paper Award, The 24th International Display Workshops
Winner: Fumiya Shiono, Takashi Nagase, Takashi Kobayashi, and Hiroyoshi Naito
 
Jun 2015
Photoluminescence in a Thermally Activated Delayed Fluorescence Emitter for Organic Light-Emitting Diodes, The 1st International Conference on Advanced Imaging, Konica Minolta Outstanding Poster Award
Winner: A. Niwa, K. Takaki, T. Kobayashi, T. Nagase, K. Goushi, C. Adachi, and H. Naito
 
Dec 2014
Stable electrical characteristics of solution processed amorphous InZnO thin-film transistors with organic passivation layers, Outstanding Poster Paper Award, The 21st International Display workshops
Winner: J. Okada, T. Nagase, T. Kobayashi, and H. Naito
 
Aug 2013
High field-effect mobility of poly(3-alkylthiophene)-based organic transistor with top-gate configuration, The 25th International Conference on Amorphous and Nano-crystalline Semiconductors, Best poster award
Winner: K. Takagi, T. Nagase, T. Kobayashi, and H. Naito
 
Jun 2013
Fabrication and characteristics of thieno[3,4-b]thiophene and benzodithiophene: [6,6]-phenyl-C71-butyric acid methyl ester bulk heterojunction solar cells, The 4th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies , Best poster award
Winner: T. Otsura , N. Kouda,T. Nagase,T. Kobayashi,and H. Naito
 
Dec 2012
Mobility improvement in top-gate benzothienobenzothiophene organic transistors processed by spin coating, IEEE EDS Kansai Chapter, MFSK Award
Winner: F. Mochizuki, T. Endo, T. Nagase, T. Kobayashi, K. Takimiya, M. Ikeda, and H. Naito
 
Dec 2012
Device performance of benzothienobenzothiophene-based top-gate organic field-effect transistors with embedded electrodes, The 19th International Display Workshops, Outstanding Poster Paper Award
Winner: Y. Kimura, F. Mochizuki, T. Nagase, T. Kobayashi, K. Takimiya, M. Ikeda, and H. Naito
 
Dec 2011
Enhancement of charge mobility in solution-processed organic field-effect transistors using top-gate configurations, The 18th International Display Workshops, Outstanding Poster Paper Award
Winner: T. Nagase, K. Takagi, T. Kobayashi, T. Kushida, and H. Naito
 
May 2010
High-mobility organic field-effect transistors based on soluble small molecules dispersed polymers, 31st International Congress for Imaging Science 2010, Outstanding Paper
Winner: S. Wakuta, H. Hatta, M. Yoshikawa, T. Nagase, T. Kobayashi, M. Ikeda, K. Takimiya, and H. Naito
 
Dec 2009
Determination of localized-state distributions in polyfluorene-based light-emitting layer by impedance spectroscopy, The 16th International Display Workshops, Outstanding Poster Paper Award
Winner: H. Hase, T. Okachi, T. Nagase, T. Kobayashi, and H. Naito
 
Sep 2009
Low-temperature behavior of charge transport in organic semiconductors studied by field-effect measurements, The 1st Asian Conference on Organic Electronics, Outstanding Poster Award
Winner: T. Banno, H. Hatta, S. Nishigami, T. Nagase, T. Kobayashi, and H. Naito
 
May 2008
Effective control of surface property on polysilsesquioxane films by chemical modification, 2nd International Symposium on the Manipulation of Advanced Smart Materials, Poster Award
Winner: T. Hamada, T. Nagase, T. Kobayashi, K. Matsukawa, and H. Naito
 
Dec 2007
Development of silsesquioxane-type gate insulating thin films for poly(3-hexylthiophene)-based field-effect transistor, The 14th International Display Workshops, Outstanding Poster Paper Award
Winner: T. Hamada, K. Tomatsu, T. Nagase, T. Kobayashi, S. Murakami, M. Watanabe, H. Naito, and K. Matsukawa
 
Dec 2006
Electron Transport and Electrode/Molecule Contact in Electromigrated Break Junctions, The 7th International Conference on Nano-Molecular Electronics, Outstanding Poster Presentation Award
Winner: Y. Noguchi, T. Kubota, R. Ueda, T. Kamikado, S. Yokoyama, and T. Nagase
 

Published Papers

 
Shoya Sanda, Ryousuke Nakamichi, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Yuichi Sadamitsu, Hiroyoshi Naito
Organic Electronics   69 181-189   Jun 2019   [Refereed]
© 2019 Elsevier B.V. The use of non-chlorinated solvents for film deposition in organic field-effect transistors (OFETs) is highly desirable to fabricate flexible and printable electronic circuits by environmentally friendly processes. Here, we in...
Hiroki Nojima, Takashi Kobayashi, Takashi Nagase, Hiroyoshi Naito
Journal of Physics: Conference Series   1220    May 2019   [Refereed]
© Published under licence by IOP Publishing Ltd. Modified modulation photocurrent (MPC) measurements were carried out to investigate the carrier transport process in organic photovoltaics based on polymer and fullerene derivatives. In conventional...
Fumiya Shiono, Hayato Abe, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Organic Electronics   67 109-115   Apr 2019   [Refereed]
© 2019 Elsevier B.V. Exploring optical memory functions in nonvolatile organic field-effect transistor (OFET) memories with top-gate/bottom-contact (TG/BC) configurations can offer effective routes for developing printable, high-density organic me...
Makoto Takada, Takahiro Mayumi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Applied Physics Letters   114    Mar 2019   [Refereed]
© 2019 Author(s). A method for determination of the bimolecular recombination constant in working double-injection diodes such as organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs) using impedance spectroscopy is proposed. The ...
Makoto Takada, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Journal of Applied Physics   125    Mar 2019   [Refereed]
© 2019 Author(s). The electron and hole drift mobilities of organic semiconductor layers, localized tail state distributions, and bimolecular recombination constants in working polymer light-emitting diodes (PLEDs) are determined simultaneously us...
Akitsugu Niwa, Shota Haseyama, Takashi Kobayashi, Takashi Nagase, Kenichi Goushi, Chihaya Adachi, Hiroyoshi Naito
Applied Physics Letters   113 083301   Aug 2018   [Refereed]
© 2018 Author(s). Triplet-triplet annihilation (TTA) will change the ratio between fluorescence and phosphorescence in the photoluminescence spectrum of a thermally activated delayed fluorescence emitter at very low temperature. Using the resultan...
Hideyuki Hatta, Yuhi Miyagawa, Takashi Nagase, Takashi Kobayashi, Takashi Hamada, Shuichi Murakami, Kimihiro Matsukawa, Hiroyoshi Naito
Applied Sciences (Switzerland)   8 1493   Aug 2018   [Refereed]
© 2018 by the authors. Information on localized states at the interfaces of solution-processed organic semiconductors and polymer gate insulators is critical to the development of printable organic field-effect transistors (OFETs) with good electr...
Takashi Nagase, Takeshi Hirose, Takashi Kobayashi, Rieko Ueda, Akira Otomo, Hiroyoshi Naito
Applied Sciences (Switzerland)   8 1274   Aug 2018   [Refereed]
© 2018 by the authors. This study investigates the influence of self-assembled monolayer treatment of gate insulators on the electrical characteristics of bottom-gate/bottom-contact organic field-effect transistors (OFETs) with short channel lengt...
Shoya Sanda, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Yuichi Sadamitsu, Hiroyoshi Naito
Organic Electronics   58 306-312   Jul 2018   [Refereed]
© 2018 Elsevier B.V. We have investigated the effect of organic solvents that are used for spin coating 2,7-didodecyl[1]benzothieno[3,2-b][1]benzothiophene (C12-BTBT) on the electrical characteristics of organic field-effect transistors (OFETs) ha...
Yasuchika Hasegawa, Shiori Natori, Jun Fukudome, Takashi Nagase, Takashi Kobayashi, Takayuki Nakanishi, Yuichi Kitagawa, Koji Fushimi, Hiroyoshi Naito
Journal of Physical Chemistry C   122(17) 9599-9605   May 2018   [Refereed]
© Copyright 2018 American Chemical Society. Lanthanide coordination polymers with charge combination parts, hole and electron transport units, [Eu(ntfa)3(dppcz)]nand [Eu3(ntfa)9(tpcz)2]n[ntfa = 3-(2-naphthoyl)-1,1,1-trifluoroacetonate, dppcz = 3,6...
Takashi Kobayashi, Akitsugu Niwa, Shota Haseyama, Kensho Takaki, Takashi Nagase, Kenichi Goushi, Chihaya Adachi, Hiroyoshi Naito
Journal of Photonics for Energy   8(3) 032104   Feb 2018   [Refereed]
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE). A four-level model consisting of a higher triplet excited state (T2), the lowest singlet and triplet excited states (S1 and T1), and the ground state was previously used to understa...
Takashi Nagase, Souichiro Abe, Takashi Kobayashi, Yu Kimura, Azusa Hamaguchi, Yoshinori Ikeda, Hiroyoshi Naito
Journal of Physics: Conference Series   924(1) 012008   Dec 2017   [Refereed]
© Published under licence by IOP Publishing Ltd. Bottom-gate organic field-effect transistors (OFETs) based on a soluble precursor of dinaphtho[2,3-b:2',3'-f]thieno[3,2-b] thiophene (DNTT) with bottom-contact source-drain electrodes chemically mod...
S. Nakami, T. Narioka, T. Kobayashi, T. Nagase, H. Naito
Journal of Physics: Conference Series   924(1) 012009   Dec 2017   [Refereed]
© Published under licence by IOP Publishing Ltd. The dependence of active-layer thickness on the power conversion efficiency (PCE) of inverted organic photovoltaics (OPVs) based on poly(3-hexylthiphene) and [6,6]-phenyl-C 61 -butyric acid methyl e...
Shota Haseyama, Akitsugu Niwa, Takashi Kobayashi, Takashi Nagase, Kenichi Goushi, Chihaya Adachi, Hiroyoshi Naito
Nanoscale Research Letters   12(1) 268   Dec 2017   [Refereed]
© 2017, The Author(s). The photoluminescence properties of a thermally activated delayed fluorescence emitter, 1,2-bis(carbazol-9-yl)-4,5-dicyanobenzene (2CzPN), doped in a host matrix consisting of 1,3-bis(9-carbazolyl)benzene and a polar inert m...
Makoto Takada, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Organic Electronics   50 290-295   Nov 2017   [Refereed]
© 2017 Elsevier B.V. Electron-injection mechanisms from the air-stable metal-oxide cathode to light-emitting polymer layer are studied. The device configuration is aluminum (Al) doped zinc oxide (AZO)/poly(ethyleneimine) (PEI)/poly(9,9-dioctylfluo...
Takashi Kobayashi, Akitsugu Niwa, Kensho Takaki, Shota Haseyama, Takashi Nagase, Kenichi Goushi, Chihaya Adachi, Hiroyoshi Naito
Physical Review Applied   7(3) 034002   Mar 2017   [Refereed]
© 2017 American Physical Society. The temperature dependences of photoluminescence (PL) decay rates and the PL spectrum of a thermally activated delayed-fluorescence emitter, 1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyanobenzene (4CzIPN), are investi...
Takashi Kobayashi, Keita Kinoshita, Akitsugu Niwa, Takashi Nagase, Hiroyoshi Naito
Nanoscale Research Letters   12(1) 368   Jan 2017   [Refereed]
© 2017, The Author(s). The structural and photoluminescence (PL) properties of thin films of poly(3-hexylthophene) (P3HT) with molecular weights (MWs) of 3000 and 13,300 have been investigated. Although high MW P3HT always self-organizes into one ...
真弓隆洋, 高田 誠, 森井克行, 永瀬 隆, 小林隆史, 内藤裕義
日本画像学会誌   56(5) 483‐488   2017   [Refereed][Invited]
Makoto Takada, Suguru Furuta, Takashi Kobayashi, Takashi Nagase, Tsutomu Shinagawa, Masanobu Izaki, Hiroyoshi Naito
Journal of Applied Physics   120(18) 185501   Nov 2016   [Refereed]
© 2016 Author(s). Electrical and optical properties of poly(dioctylfluorene-alt-benzothiadiazole) based inverted organic light-emitting diodes (iOLEDs) with electrochemically deposited ZnO electron-injecting layer (EIL) have been studied. The devi...
Kenichiro Takagi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Organic Electronics   32 65-69   May 2016   [Refereed]
© 2016 Elsevier B.V. All rights reserved. Electrical characteristics of top-gate field-effect transistors based on a wide range of solution-processed organic semiconductors are systematically investigated. The top-gate field-effect transistors bas...
Yu Konishi, Takashi Nagase, Takashi Kobayashi, Rieko Ueda, Toshifumi Terui, Akira Otomo, Hiroyoshi Naito
Journal of Nanoscience and Nanotechnology   16(4) 3307-3311   Apr 2016   [Refereed]
Copyright © 2016 American Scientific Publishers All rights reserved. We present a simple technique for patterning Au top electrodes in vertical molecular junction devices that have the conductive polymer, poly(3,4-ethylene dioxythiophene)-poly(4-s...
Jun Okada, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Journal of Nanoscience and Nanotechnology   16(4) 3219-3222   Apr 2016   [Refereed]
Copyright © 2016 American Scientific Publishers. All rights reserved. Carrier transport in solution-processed organic thin-film transistors (OTFTs) based on dioctylbenzothienobenzothiophene (C 8 -BTBT) has been investigated in a wide temperature r...
Masashi Takata, Kenichiro Takagi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Journal of Nanoscience and Nanotechnology   16(4) 3322-3326   Apr 2016   [Refereed]
Copyright © 2016 American Scientific Publishers All rights reserved. An analytical expression for impedance spectra in the case of double injection (both electrons and holes are injected into an organic semiconductor thin film) has been derived fr...
Takanori Otsura, Emi Nakatsuka, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Journal of Nanoscience and Nanotechnology   16(4) 3349-3354   Apr 2016   [Refereed]
Copyright © 2016 American Scientific Publishers All rights reserved. The power conversion efficiencies (PCEs) as a function of band gap energies and the lowest unoccupied molecular orbital (LUMO) levels of donor materials are studied in bulk-heter...
Makoto Takada, Takashi Kobayashi, Takashi Nagase, Hiroyoshi Naito
Japanese Journal of Applied Physics   55(3) 03DC06   Mar 2016   [Refereed]
© 2016 The Japan Society of Applied Physics. We report on poly(dioctylfluorene-alt-benzothiadiazole) (F8BT) based inverted organic light-emitting diodes (iOLEDs) using commercially available transparent conductive oxide (TCO) films as a cathode, i...
Junya Hasegawa, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Japanese Journal of Applied Physics   55(3) 03DC05   Mar 2016   [Refereed]
© 2016 The Japan Society of Applied Physics. Electrical switching phenomena in a device configuration of inverted organic light-emitting diodes have been observed. The device structure was Ga-doped ZnO (GZO)/N,N-dicarbazolyl-3,5-benzene (m-CP)/MoO...
Kenichiro Takagi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Applied Physics Letters   108(5) 053305   Feb 2016   [Refereed]
© 2016 AIP Publishing LLC. A method for determining deep trapping lifetime in semiconductors using an impedance spectroscopy is proposed. A unique feature of the method is the simultaneous determination of the drift mobility and deep trapping life...
Takashi Nagase, Masashi Yoshikawa, Saori Yamazaki, Takashi Kobayashi, Yoshiki Michiwaki, Seiji Watase, Mitsuru Watanabe, Kimihiro Matsukawa, Hiroyoshi Naito
Journal of Polymer Science, Part B: Polymer Physics   54(4) 509-516   Feb 2016   [Refereed]
© 2015 Wiley Periodicals, Inc. The effects of the addition of silica nanoparticles (SNPs) on wettability of regioregular poly(3-hexylthiophene) (P3HT) organic semiconductor solutions on hydrophobic substrates and the carrier mobility in organic fi...
Kenichiro Takagi, Soichiro Abe, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Journal of Materials Science: Materials in Electronics   26(7) 4463-4474   Jul 2015   [Refereed]
© 2015, Springer Science+Business Media New York. Methods for the determination of drift mobility, localized-state distribution and deep trapping lifetime in organic semiconductors using impedance spectroscopy are reviewed. The theoretical basis i...
Yu Kimura, Takashi Nagase, Takashi Kobayashi, Azusa Hamaguchi, Yoshinori Ikeda, Takashi Shiro, Kazuo Takimiya, Kazuo Takimiya, Hiroyoshi Naito
Advanced Materials   27(4) 727-732   Jan 2015   [Refereed]
© 2014 Wiley-VCH Verlag GmbH & Co. KGaA. A soluble precursor of dinaphtho[2,3-b:2′,3′-f]thieno[3,2-b] thiophene (DNTT) is developed for high-performance printed organic thin-film transistors (OTFTs). The DNTT precursor enables excellent thin-fil...
Takashi Nagase
HandBook of Manufacturing Engineering and Technology   1513-1528   Jan 2015   [Refereed]
© Springer-Verlag London 2015. All rights reserved. Maskless fabrication methods for nanogap electrodes using sputter etching with a Ga focused ion beam (FIB) are presented. These methods are based on the in situ monitoring of the etching steps by...
Takashi Kobayashi, Takashi Nagase, Hiroyoshi Naito
Springer Series in Materials Science   203 63-80   Jan 2015   [Refereed]
© Springer Science+Business Media Singapore 2015. Polyfluorene is well known as an efficient blue emitter for polymer-based light-emitting diodes and is very attractive from a physical point of view because randomly twisted, regularly twisted, or ...
Kenichiro Takagi, Takashi Nagase, Takashi Kobayashi, Takashi Kushida, Hiroyoshi Naito
Japanese Journal of Applied Physics   54(1) 011601   Jan 2015   [Refereed]
© 2015 The Japan Society of Applied Physics The electrical performance of organic field-effect transistors (organic FETs or OFETs) based on the soluble semiconductor regioregular poly(3-hexylthiophene) (P3HT) with a top-gate configuration is inves...
Yu Kimura, Azusa Hamaguchi, Yoshinori Ikeda, Takashi Nagase, Hiroyoshi Naito, Kazuo Takimiya, Takashi Shiro
Applied Physics Express   8(10) 101601   Jan 2015   [Refereed]
© 2015 The Japan Society of Applied Physics. High-performance organic field-effect transistor (OFET) memories were developed by a simple solution process using phosphorus-doped silicon nanoparticles (Si NPs) and dinaphtho[2,3-b:2',3'-f ]thieno[3,2...
中道諒介, 木村友, 永瀬隆, 小林隆史, 瀧宮和男, 濱田雅裕, 内藤裕義
日本画像学会誌   54(2) 109-114   2015   [Refereed][Invited]
Akitsugu Niwa, Takashi Kobayashi, Takashi Nagase, Kenichi Goushi, Chihaya Adachi, Hiroyoshi Naito
Applied Physics Letters   104(21) 213303   May 2014   [Refereed]
Using steady-state and time-resolved photoluminescence (PL) spectroscopy, we have investigated the temperature dependence of PL properties of 1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyano-benzene (4CzIPN), which have a small energy gap between its s...
Hiroyuki Hase, Takayuki Okachi, Shingo Ishihara, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Thin Solid Films   554 218-221   Mar 2014   [Refereed]
A method has been proposed for the determination of energetic distributions of localized states in organic semiconductors by the analysis of the impedance spectra (T. Okachi, T. Nagase, T. Kobayashi, and H. Naito, Appl. Phys. Lett. 94 (2009) 04330...
Yosuke Terada, Takashi Kobayashi, Emi Nakatsuka, Takashi Nagase, Hiroyoshi Naito
Thin Solid Films   554 209-212   Mar 2014   [Refereed]
By using continuous-wave photoinduced absorption spectroscopy, we investigate hole-transport processes in polymer-based bulk-heterojunction solar cells at various operating points between the open- and short-circuit conditions. The results reveal ...
Takashi Kobayashi, Wataru Shinke, Takashi Nagase, Shuichi Murakami, Hiroyoshi Naito
Thin Solid Films   554 106-109   Mar 2014   [Refereed]
We examined the enhancements in the third-order optical susceptibility (χ (3) ) of spin-coated thin films of poly(3-hexylthiophene) using an anhydrous solvent with a high boiling point. The χ (3) value was found to be enhanced as the boiling point...
Takashi Kushida, Takashi Nagase, Hiroyoshi Naito
Applied Physics Letters   104(9) 093304   Mar 2014   [Refereed]
The angular dependence of the optical and charge-carrier transport properties of oriented poly[5,5′-bis(3-dodecyl-2-thienyl)-2,2′- bithiophene] (PQT) thin films prepared through the roll-transfer printing method is studied. The anisotropy of the c...
Kenichiro Takagi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Organic Electronics   15(2) 372-377   Feb 2014   [Refereed]
The device characteristics of top-gate field-effect transistors (FETs) based on typical polymer semiconductor regioregular poly(3-alkylthiophenes) (P3ATs) with different alkyl chain lengths are investigated. High field-effect mobilities of ∼10 -2 ...
Masashi Takata, Naoya Kouda, Shingo Ishihara, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Japanese Journal of Applied Physics   53(2 PART 2) 02BE02   Feb 2014   [Refereed]
The effect of contact resistance on the determination of charge carrier mobility in single-injection space-charge-limited (SCL) diodes is numerically examined. Contact resistance is inevitably involved in the equivalent circuit of the SCL diodes. ...
Kenichiro Takagi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Japanese Journal of Applied Physics   53(5) 050305   Jan 2014   [Refereed]
A thieno[3,4-b]thiophene and benzodithiophene copolymer PTB7, which has received much attention as a donor material of organic solar cells, is electrically characterized using a field-effect transistor (FET) configuration. The hole mobility of PTB...
木村 友, 永瀬 隆, 小林 隆史
日本画像学会誌   53(1) 3-8   2014   [Refereed][Invited]
Toshiyuki Endo, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Japanese Journal of Applied Physics   52(12) 121601   Dec 2013   [Refereed]
Oriented polymer field-effect transistors (FETs) with a top-gate configuration have been fabricated using amorphous fluoropolymers as gate insulators. The oriented poly(9,9-dioctylfluorene-co-bithiophene) (F8T2) FETs exhibit a high mobility anisot...
Kimihiro Matsukawa, Mitsuru Watanabe, Takashi Hamada, Takashi Nagase, Hiroyoshi Naito
International Journal of Polymer Science   2012 852063   Dec 2012   [Refereed]
Printable organic thin-film transistor (O-TFT) is one of the most recognized technical issues nowadays. Our recent progress on the formation of organic-inorganic hybrid thin films consists of polymethylsilsesquioxane (PMSQ), and its applications f...
Takashi Kobayashi, Toshiyuki Endo, Takashi Nagase, Shuichi Murakami, Hiroyoshi Naito
Journal of Non-Crystalline Solids   358(17) 2530-2533   Sep 2012   [Refereed]
Third-order optical susceptibility, χ (3) , of a disordered thin film and two types of ordered thin films of poly(9,9-dioctylfluorene) are determined by electroabsorption measurements. In an ordered thin film consisting of planar polymer chains, χ...
Takashi Kushida, Takashi Nagase, Hiroyoshi Naito
Materials Research Society Symposium Proceedings   1360 18-23   Dec 2011   [Refereed]
Air-mediated molecular ordering in self-organized polymer semiconductors of regioregular poly(3-hexylthiophene) (P3HT) and poly[(9,9′- dioctylfluorenyI-2,7-diyl)-(2,2′-bithiophene-5,5′-diyl)] (F8T2) was investigated using organic field-effect tran...
Takashi Kushida, Takashi Nagase, Hiroyoshi Naito
Organic Electronics   12(12) 2140-2143   Dec 2011   [Refereed]
A roll-transfer printing method has been proposed for the uniaxial alignment of the liquid crystalline polymer semiconductor of poly(3,3″′-didodecylquarterthiophene) (PQT). It is shown that the roll-transfer printing of PQT at its liquid crystal p...
Takashi Kobayashi, Yosuke Terada, Takashi Nagase, Hiroyoshi Naito
Applied Physics Express   4(12) 126602   Dec 2011   [Refereed]
Continuous-wave photoinduced absorption spectroscopy is applied to a bulk-heterojunction solar cell based on a blend of polymer and fullerene for the determination of carrier lifetime. This technique has several advantages with respect to conventi...
Takashi Kobayashi, Toshiyuki Endo, Wataru Shinke, Takashi Nagase, Shuichi Murakami, Hiroyoshi Naito
Japanese Journal of Applied Physics   50(7 PART 1) 072601   Jul 2011   [Refereed]
To maximize the potential of poly(3-hexylthiophene) (P3HT) as a nonlinear optical material, we examined the conditions for fabricating thin films. The results indicate that the third-order optical susceptibility x (3) , which was determined by ele...
Takashi Kushida, Takashi Nagase, Hiroyoshi Naito
Applied Physics Letters   98(6) 063304   Feb 2011   [Refereed]
Air-mediated molecular ordering in the self-organized polymer semiconductor of regioregular poly(3-hexylthiophene) (P3HT) is investigated using organic field-effect transistors (OFETs) fabricated by microcontact printing using poly(dimethylsiloxan...
Hideyuki Hatta, Takashi Nagase, Takashi Kobayashi, Mitsuru Watanabe, Kimihiro Matsukawa, Shuichi Murakami, Hiroyoshi Naito
IEICE Transactions on Electronics   E94-C(11) 1727-1732   Jan 2011   [Refereed][Invited]
Solution-based organic field-effect transistors (OFETs) with low parasitic capacitance have been fabricated using a self-aligned method. The self-aligned processes using a cross-linking polymer gate insulator allow fabricating electrically stable ...
Takashi Kobayashi Keita Kinoshita, Takashi Nagase, Hiroyoshi Naito
Physical Review B - Condensed Matter and Materials Physics   83(3) 035305   Jan 2011   [Refereed]
The generation and recombination dynamics of photocarriers (polarons) in poly(3-hexylthiophene) and [6,6]-phenyl-C 61 -butyric acid methyl ester blended thin films have been investigated by means of continuous-wave photoinduced absorption spectros...
Toshiyuki Endo, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Masaaki Ikeda, Masaaki Ikeda, Hiroyoshi Naito
Applied Physics Express   3(12) 121601   Dec 2010   [Refereed]
Dioctylbenzothieno[2,3-b]benzothiophene (C 8 -BTBT)-based organic field-effect transistors (OFETs) with a top-gate configuration, having fluoropolymer gate insulators, are fabricated by means of a spin-coating technique. The device fabrication is ...
Keita Kinoshita, Takashi Kobayashi, Takashi, Takashi Nagase, Hiroyoshi Naito
Materials Science Forum   658 503-506   Dec 2010   [Refereed]
We investigate the dynamics of charged states (polarons) in bulk heterostructures of polythiophene and fullerene derivatives by means of photoinduced absorption spectroscopy, and is compared them with those in pristine polythiophene thin films. Po...
Takashi Nagase, Takashi Hamada, Takashi Hamada, Kenji Tomatsu, Saori Yamazaki, Takashi Kobayashi, Shuichi Murakami, Kimihiro Matsukawa, Hiroyoshi Naito
Advanced Materials   22(42) 4706-4710   Nov 2010   [Refereed]
Organic-inorganic hybrid poly(methyl silsesquioxane) with a low curing temperature of 150 °C synthesized by a sol-gel method is employed as a gate dielectric for solution-based organic field-effect transistors. The device exhibits mobility enhance...
Saori Yamazaki, Takashi Hamada, Takashi Nagase, Sakae Tokai, Masashi Yoshikawa, Takashi Kobayashi, Yoshiki Michiwaki, Seiji Watase, Mitsuru Watanabe, Kimihiro Matsukawa, Hiroyoshi Naito
Applied Physics Express   3(9) 091602   Sep 2010   [Refereed]
It is essential to control the wettability of soluble organic semiconductors on polymer gate dielectrics to realize low-cost, flexible, and large-area electronic circuits employing organic field-effect transistors using solution processes. We find...
Takeshi Hirose, Takashi Nagase, Takashi Kobayashi, Rieko Ueda, Akira Otomo, Hiroyoshi Naito
Applied Physics Letters   97(8) 083301   Aug 2010   [Refereed]
The influence of channel materials on the electrical characteristics of organic field-effect transistors (OFETs) with short-channel lengths ranging from 1 μm to 30 nm is investigated using polymer semiconductors. The current-voltage characteristic...
Toshiyuki Endo, Satoshi Ikame, Takashi Kobayashi, Takashi Nagase, Shuichi Murakami, Hiroyoshi Naito
Physical Review B - Condensed Matter and Materials Physics   81(7) 075203   Feb 2010   [Refereed]
The excited-state structure of ordered (β -phase) poly(9,9- dioctylfluorene) (F8) thin films has been investigated by electroabsorption (EA) spectroscopy. The EA spectra of a number of π conjugated polymers, including disordered (glassy) F8, are w...
Takashi Kushida, Takashi Nagase, Hiroyoshi Naito
Organic Electronics   11(7) 1323-1326   Jan 2010   [Refereed]
Molecular orientation of regioregular poly(3-hexylthiopene) (P3HT) on self-assembled monolayers (SAMs) of octadecyltrichlorosilane (OTS) prepared by microcontact printing (lCP) are investigated using grazing-incidence X-ray diffraction and field-e...
Takayuki Okachi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Applied Physics Letters   94(4) 043301   Feb 2009   [Refereed]
A method for determining localized-state distributions in organic light-emitting diodes by impedance spectroscopy is proposed on the basis of a theory for single-injection space-charge-limited current. The method is sensitive and has high energy r...
Takashi Hamada, Takashi Nagase, Takashi Kobayashi, Kimihiro Matsukawa, Hiroyoshi Naito
Thin Solid Films   517(4) 1335-1339   Dec 2008   [Refereed]
We report the strategy of controlling the surface properties of polymethylsilsesquioxane (PMSQ) films by a silane-coupling agent. The surface properties of chemically modified PMSQ films are investigated by the water contact angle and Fourier tran...
Takashi Kobayashi, Hiroshi Uda, Takashi Nagase, Mitsuru Watanabe, Kimihiro Matsukawa, Hiroyoshi Naito
Thin Solid Films   517(4) 1340-1342   Dec 2008   [Refereed]
The correlation between the crystallization of polyfluorene thin films and the surface free energy of several substrates has been investigated. To describe chemical properties of substrates, Owens' theory was employed, which divides the total surf...
Saori Yamazaki, Takashi Hamada, Kenji Tomatsu, Yusuke Ueda, Takashi Nagase, Takashi Kobayashi, Shuichi Murakami, Kimihiro Matsukawa, Hiroyoshi Naito
Thin Solid Films   517(4) 1343-1345   Dec 2008   [Refereed]
The fabrication of poly(3-hexylthiophene)(P3HT)-based field-effect transistors (FETs) on plastic substrates by solution processes has been systematically investigated. Top-contact P3HT FETs with polycarbonate (PC) substrates are fabricated using o...
Toshiyuki Endo, Takashi Kobayashi, Takashi Nagase, Hiroyoshi Naito
Thin Solid Films   517(4) 1324-1326   Dec 2008   [Refereed]
Aligned β-phase F8 thin films have been prepared by exposing aligned crystalline F8 thin films to toluene vapor. Aligned β-phase F8 thin films with a high dichroic ratio and a high photoluminescence (PL) polarization ratio have been obtained by th...
Takayuki Okachi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Thin Solid Films   517(4) 1327-1330   Dec 2008   [Refereed]
Impedance spectroscopy (IS) of poly(9,9-dioctylfluorene) (F8) polymer light-emitting diodes (PLEDs) with hole-injection layers has been studied to determine their equivalent circuits. The equivalent circuits of the PLEDs below and above the thresh...
Takayuki Okachi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Thin Solid Films   517(4) 1331-1334   Dec 2008   [Refereed]
The influence of injection barrier on mobility determination in organic light-emitting diodes (OLEDs) by IS measurements is numerically examined. The theoretical basis of IS measurements for mobility determination is a single injection space-charg...
Takayuki Okachi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Japanese Journal of Applied Physics   47(12) 8965-8972   Dec 2008   [Refereed]
The determination of charge-carrier mobility in organic light-emitting diodes (OLEDs) in the presence of localized states by impedance spectroscopy (IS) measurements is carried out. The influences of localized-state distributions on charge-carrier...
Takashi Hamada, Takashi Nagase, Mitsuru Watanabe, Seiji Watase, Hiroyoshi Naito, Kimihiro Matsukawa
Journal of Photopolymer Science and Technology   21(2) 319-320   Aug 2008   [Refereed]
Kenji Tomatsu, Takashi Hamada, Takashi Nagase, Saori Yamazaki, Takashi Kobayashi, Shuichi Murakami, Kimihiro Matsukawa, Hiroyoshi Naito
Japanese Journal of Applied Physics   47(4 PART 2) 3196-3199   Apr 2008   [Refereed]
The preparation of organic-inorganic hybrid gate dielectrics of poly(methyl silsesquioxane) (PMSQ) at a low processing temperature has been studied for use in organic field-effect transistors (OFETs) by the solution process. It is found that the e...
Takao Yoshikawa, Takashi Nagase, Takashi Kobayashi, Shuichi Murakami, Hiroyoshi Naito
Thin Solid Films   516(9) 2595-2599   Mar 2008   [Refereed]
Time-of-flight transient photocurrent in organic semiconductors with coplanar-blocking-electrodes configuration has been numerically analyzed. Time-of-flight measurements for such a sample configuration enable us to determine the drift mobilities ...
Takashi Nagase, Hiroyoshi Naito
Thin Solid Films   516(9) 2558-2561   Mar 2008   [Refereed]
Transient photoconductivity in metal-free phthalocyanine (H 2 Pc) nanocrystals dispersed in a polyester matrix is investigated. The H 2 Pc nanocrystals concentration dependence of transient photoconductivity is examined above the percolation thres...
Yutaka Noguchi, Rieko Ueda, Tohru Kubota, Toshiya Kamikado, Shiyoshi Yokoyama, Takashi Nagase
Thin Solid Films   516(9) 2762-2766   Mar 2008   [Refereed]
We observed a negative differential resistance (NDR) along with single-electron tunneling (SET) in the electron transport of electromigrated break junctions with metal-free tetraphenylporphyrin (H 2 BSTBPP) at a temperature of 11 K. The NDR strong...
Toshiyuki Endo, Takashi Kobayashi, Takashi Nagase, Hiroyoshi Naito
Japanese Journal of Applied Physics, Part 2: Letters   46(45-49)    Dec 2007   [Refereed]
Aligned β-phase poly(9,9-dioctylfluorene) (F8) thin films have been prepared and their optical properties have been examined. Aligned β-phase F8 thin films are obtained by exposing aligned crystalline F8 thin films to toluene vapor. The polarizati...
Yusuke Shimizu, Takashi Kobayashi, Takashi Nagase, Hiroyoshi Naito
Applied Physics Letters   91(14) 141909   Oct 2007   [Refereed]
Optical properties of thiophene based copolymer poly(2,5-bis(3- dodecylthiophen-2-yl)thieno[2,3-b]thiophene) (pBTCT) thin films have been investigated by means of optical absorption, photoluminescene (PL), PL quantum efficiency, time-resolved PL, ...
Yutaka Noguchi, Takashi Nagase, Takashi Nagase, Rieko Ueda, Toshiya Kamikado, Tohru Kubota, Shinro Mashiko
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   46(4 B) 2683-2686   Apr 2007   [Refereed]
We measured the current-voltage (I-V) curves of 158 electromigrated break junctions with a Co(II) complex of tetraphenylporphyrin derivative (CoBSTBPP) at a temperature of 11 K within the applied bias < 1.0 V. Symmetry I-V curves were observed i...
Yutaka Noguchi, Takashi Nagase, Tohru Kubota, Toshiya Kamikado, Shinro Mashiko
Thin Solid Films   499(1-2) 90-94   Mar 2006   [Refereed]
The fabrication of Au-molecule-Au junctions with an Al back gate electrode structure using an electromigration method was examined. Two kinds of molecules were used for the measurements of current-voltage (I-V) characteristics: 1,4-bis[(4′-acetylt...
Takashi Nagase, Kenji Gamo, Tohru Kubota, Shinro Mashiko
Thin Solid Films   499(1-2) 279-284   Mar 2006   [Refereed]
A simple approach to increase the reliability of nano-gap electrode fabrication techniques is presented. The method is based on maskless sputter etching of Au electrodes using a focused ion beam (FIB) and in-situ monitoring of the etching steps by...
Masaru Ando, Masaru Ando, Takashi Kobayashi, Hiroyoshi Naito, Takashi Nagase, Yoshihiko Kanemitsu
Thin Solid Films   499(1-2) 119-122   Mar 2006   [Refereed]
Transient photoconduction of thin films of Si nanocrystals (nc-Si) dispersed in poly(methylphenylsilane) (PMPS) matrix prepared by printing have been studied by means of time-of-flight (TOF) measurements. Addition of nc-Si whose average diameter i...
Takashi Nagase, Kenji Gamo, Rieko Ueda, Tohru Kubota, Shinro Mashiko
Journal of Microlithography, Microfabrication and Microsystems   5    Jan 2006
We develop maskless fabrication methods using sputter etching with Ga-focused ion beams (FIBs) to obtain nanogap electrodes with high reproducibility. This method is based on in situ monitoring of etching steps by measuring current through pattern...
Takashi Nagase, Kenji Gamo, Tohru Kubota, Shinro Mashiko
Microelectronic Engineering   78-79(1-4) 253-259   Mar 2005   [Refereed]
Maskless fabrication techniques of nanoelectrode with nanogaps are investigated, which use sputter etching technique by Ga focused ion beam (FIB). The etching steps are reliably controlled in situ by monitoring a current fed to the films. 30 keV G...
Takashi Nagase, Tohru Kubota, Shinro Mashiko
Thin Solid Films   438-439 374-377   Aug 2003   [Refereed]
Molecular electronics, in which a single molecule is used as an element, requires the ability to interface nanometer-sized molecules to macroscopic electronic circuits. For this end, a simple and highly reproducible method to fabricate metallic el...
Takashi Nagase, Hiroyoshi Naito
Journal of Applied Physics   88(1) 252-259   Jul 2000   [Refereed]
Localized-state distributions have been studied in a molecularly doped polymer (MDP) system of a polymer binder (polycarbonate) doped with charge-transporting [N, N′-diphenyl-N, N′-bis(3-methylphenyl)(1,1′-biphenyl)-4,4′-diamine (TPD)] and trap-fo...
Nobuyuki Ogawa, Takashi Nagase, Hiroyoshi Naito
Journal of Non-Crystalline Solids   266-269 A 367-371   May 2000
The energy resolution of the Laplace transformation method for measuring localized-state distributions, based on the analysis of transient photoconductivity (TPC) in amorphous semiconductors, has been improved analytically. The improvement of the ...
Takashi Nagase, Ko Hei Kishimoto, Hiroyoshi Naito
Journal of Applied Physics   86(9) 5026-5035   Nov 1999   [Refereed]
The energy resolution of a method for measuring localized-state distributions in amorphous and polymeric semiconductors has been improved in terms of Tikhonov regularization. The method is based on the analysis of transient photoconductivity data ...
Hiroyoshi Naito, Koh Hei Kishimoto, Takashi Nagase
Thin Solid Films   331 82-88   Dec 1998   [Refereed]
The origin of an exponential distribution of localized states in metallophthalocyanines (MPcs) has been studied on cobalt phthalocyanine (CoPc) and iron phthalocyanine (FePc) dispersed in polymer binders in terms of transient photoconductivity mea...
永瀬隆, 内藤裕義
電気学会論文誌 A   118-A(12) 1446-1453   Dec 1998   [Refereed]
Takashi Nagase, Hiroyoshi Naito
Journal of Non-Crystalline Solids   227-230(PART 2) 824-828   May 1998   [Refereed]
A method for measuring the monomolecular recombination lifetime in amorphous semiconductors is described. The present method is based on the measurement of localized-state distributions from transient photoconductivity data and on the fitting of c...
Koji Seto, Takashi Nagase, Hiroyoshi Naito
Journal of Non-Crystalline Solids   227-230 815-819   May 1998   [Refereed]
Numerical simulation has been carried out to explain the results of transient photoconductivity (TPC) and time-of-flight (TOF) experiments on amorphous As 2 Se 3 ; TPC experiments have revealed an exponential distribution of the valence-band tail ...
Hiroyoshi Naito, Takashi Nagase, Takashi Ishii, Masahiro Okuda, Takeshi Kawaguchi, Shigeo Maruno
Journal of Non-Crystalline Solids   198-200(PART 1) 363-366   May 1996   [Refereed]
A method for the determination of localized density-of-state distributions in amorphous semiconductors from transient photoconductivity using Laplace transforms is described. The method is applicable to both the pre- and post-monomolecular recombi...

Misc

 
永瀬隆, 小林隆史, 内藤裕義
大阪府立大学研究推進機構放射線研究センター放射線施設共同利用報告書   2017 19   Mar 2019
Tomoya Aiba, Takashi Nagase, Takashi Kobayashi, Yuichi Sadamitsu, Hiroyohi Naito
Proceedings of the International Display Workshops   25 721-722   Dec 2018
© 2018 International Display Workshops. All rights reserved. We have investigated the electrical characteristics of C8-BTBT-based top-gate organic FETs having solution-processed MoO3 hole injection layers. By treating with UV/O3 to MoO3 layers, co...
Hiroyoshi Naito, Yu Suenaga, Takashi Nagase, Takashi Kobayashr
Proceedings of the International Display Workshops   25 253-256   Dec 2018
© 2018 International Display Workshops. All rights reserved. Complex impedance of an equivalent circuit of organic field-effect transistors (OFETs) taking account of electrode overlap between source/drain and gate electrodes has been derived. Expe...
Hayato Abe, Takashi Nagase, Takashi Kobayashr, Hiroyoshi Naito
Proceedings of the International Display Workshops   25 403-404   Dec 2018
© 2018 International Display Workshops. All rights reserved. We report the enhancement of the performance of solution-processable organic transistor memories with organic floating gates. Organic transistor memories with polymer. TIPS-pentacene ble...
永瀬隆, 小林隆史, 内藤裕義
大阪府立大学研究推進機構放射線研究センター放射線施設共同利用報告書   2016 53   Mar 2018
Shova Sanda, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Yuichi Sadamitsu, Hiroyohi Naito
Proceedings of the International Display Workshops   24 371-374   Dec 2017
© 2017 Proceedings of the International Display Workshops. All rights reserved. We report the effect of organic solvents for spin coating dialkyl BTBT on the mobility of top-gate organic FETs. Top-gate Ca-BTBT and C12-BTBT FETs processed using non...
Fumiya Shiono, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Proceedings of the International Display Workshops   24 1575-1576   Dec 2017
© 2017 Proceedings of the International Display Workshops. All rights reserved. We fabricated nonvolatile molecular floating-gate transistor memories by solution process and investigated their memory characteristics under light illumination. Solut...
永瀬隆, 小林隆史, 内藤裕義
Molecular Electronics and Bioelectronics   28(2) 77‐80   May 2017
Fumiya Shiono, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Proceedings of the International Display Workshops   23 1440-1441   Dec 2016
copyright © 2016 Society of Information Display. All rights reserved. We have developed organic floating-gate transistor memories comprising solution-processed organic films. A top-gate configuration is employed and all organic films are deposited...
Takashi Nagase, Kenichiro Takagi, Ryosuke Nakamichi, Takashi Kobayashi, Hiroyoshi Naito
Proceedings of the International Display Workshops   23 1380-1383   Dec 2016   [Invited]
copyright © 2016 Society of Information Display. All rights reserved. We report that the use of top-gate configuration for OTFTs based on solution-processable organic semiconductors allows enhancing field-effect mobility as well as operational sta...
高木謙一郎, 永瀬隆, 小林隆史, 内藤裕義, 永瀬隆, 小林隆史, 内藤裕義
電気材料技術雑誌   24(1) 16-23   Dec 2015
Junya Hasegawa, Makoto Takada, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Proceedings of the International Display Workshops   22 706-709   Dec 2015
© Proceedings of the International Display Workshops. All rights reserved. We characterized multi-layer inverted organic light emitting diodes (iOLEDs) fabricated by a spin coating method. The device showed the highest brightness of 15,500 cd m2 a...
Ryosuke Nakamichi, Takashi Nagase, Takashi Kobayashi, Yuichi Sadamitsu, Hiroyoshi Naito
Proceedings of the International Display Workshops   22 1419-1423   Dec 2015
© 2015 Society for Information Display. We have developed a simple method to control and improve the electrical characteristics of solution-processable OTFTs based on dialkylbenzothienobenzothiophenes by using mixed organic solvents. Top-gate OTFT...
Takao Unate, Takashi Nagase, Hiroyoshi Naito
Proceedings of the International Display Workshops   22 62-64   Dec 2015
Ryosuke Nakamichi, Takashi Nagase, Takashi Kobayashi, Yuichi Sadamitsu, Hiroyoshi Naito
Proceedings of the International Display Workshops   21 706-709   Dec 2014
© 2014 ITE and SID. We have fabricated short-channel organic FETs with top-gate configurations by conventional spin-coating processes. The solution-processed organic FETs with a channel length of 5 pm exhibit high field-effect mobilities of 1 cm2V...
Jun Okada, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Proceedings of the International Display Workshops   21 85-88   Dec 2014
© 2014 ITE and SID. Solution-processed organic passivation layers for amorphous InZnO thin-film transistors (TFTs) have been shown. Solution-processed amorphous InZnO TFTs with the organic passivation layers exhibit good electrical stability of th...
Yu Kimura, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Masaaki Ikeda, Hiroyoshi Naito
Proceedings of the International Display Workshops   20 443-446   Dec 2013
© 2013 ITE and SID. Low voltage operation of organic field-effect transistors (OFETs) with embedded source/drain electrodes has been demonstrated. Soluble small molecules of 2,7-dioctyl [1]benzothieno[3,2-b][1] benzothiophene and CYTOP were used a...
高木謙一郎, 永瀬隆, 小林隆史, 内藤裕義
スマートプロセス学会誌   2(5) 251-256   Sep 2013
Fumio Mochizuki, Yosuke Miyata, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Masaaki Ikeda, Hiroyoshi Naito
Proceedings of the International Display Workshops   19 1022-1025   Dec 2012
Effect of MoO3 hole-injection layers on the electrical characteristics of top-gate Ce-BTBT OFETs has been investigated. The field-effect mobility of short-channel devices is improved by inserting 1-nm-thick M0O3 layers, as a result of the decrease...
Yu Kimura, Fumio Mochizuki, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Masaaki Ikeda, Hiroyoshi Naito
Proceedings of the International Display Workshops   19 401-404   Dec 2012
We have fabricated 2, 7-dioctyl[1]benzothieno [3, 2-b][1]benzothiophene (C8-BTBT)-based topgate organic FETs with embedded source-drain electrodes and investigated the effect of the planarization of C8-BTBT layers. Top-gate C8-BTBT FETS with embed...
Kenichiro Takagi, Takashi Nagase, Takashi Kobayashi, Hiroyoshi Naito
Proceedings of the International Display Workshops   19 405-408   Dec 2012
Charge transport in top-gate OTFTs using solution-processable polycrystalline and amorphous semiconductors with different polymer gate insulators is investigated. Unlike amorphous OTFTs, polycrystalline OTFTs exhibit high field-effect mobility irr...
Takashi Nagase, Kenichiro Takagi, Takashi Kobayashi, Takashi Kushida, Hiroyoshi Naito
Proceedings of the International Display Workshops   18 125-128   Dec 2011
We have investigated charge transport in poly(3-hexylthiophene) (P3HT)-based OFETs using top-gate, bottom-gate, and double-gate configurations. Top-gate P3HT OFETs exhibit high field-effect mobilities, which are almost independent of the type of g...
Fumio Mochizuki, Toshiyuki Endo, Takashi Nagase, Takashi Kobayashi, Kazuo Takimiya, Masaaki Ikeda, Hiroyoshi Naito
Proceedings of the International Display Workshops   18 85-88   Dec 2011
We have fabricated 2,7-dioctyl[1]benzothieno [3,2-b][1]benzothiophene (C8-BTBT)-based organic field-effect transistors (OFETs) with top-gate configurations having fluoropolymer gate insulators by spin-coating processes. Top-gate OFETs with spin-co...
T. Endo, T. Nagase, T. Kobayashi, K. Takimiya, M. Ikeda, H. Naito
IDW'10 - Proceedings of the 17th International Display Workshops   3 2235-2238   Dec 2010
A simple, low-temperature, and reproducible fabrication process of dioctylbenzothienobenzothiophene top-gate field-effect transistors has been reported. A total of 116 devices exhibit high mobilities of 1.59±0.40 cm2/Vs, low threshold voltages of ...
Takashi Nagase, Hideyuki Hatta, Yuhi Miyagawa, Takashi Kobayashi, Shuichi Murakami, Mitsuru Watanabe, Kimihiro Matsukawa, Hiroyoshi Naito
Proceedings of the International Display Workshops   17 739-742   Dec 2010
We have fabricated the solution-based organic FETs with polymer gate insulators using a self-aligned method and investigated their frequency characteristics. The fabricated organic FETs exhibit electrically stable operation and have extremely low ...
Hirovoshi Naito, Takashi Nagase, Masashi Yoshikawa, Takashi Kobayashi, Yoshiki Michiwaki, Kimihiro Matsukawa
Proceedings of the International Display Workshops   17 1693-1696   Dec 2010
A hybrid gate insulator of poly(methyl silsesquioxane) (PMSQ) exhibits excellent insulating properties, low curing temperature of 150 °C and low surface energy. Hybrid semiconductors, silica nanoparticles (SNPs) added organic semiconductors exhibi...
Kimihiro Matsukawa, Saori Yamazaki, Sakae Tokai, Masashi Yoshikawa, Takashi Nagase, Takashi Kobayashi, Yoshiki Michiwaki, Seiji Watase, Mitsuru Watanabe, Hiroyoshi Naito
Proceedings of the International Display Workshops   17 869-872   Dec 2010
It is essential to control the wettability of soluble organic semiconductors on gate dielectrics for organic field-effect transistors using solution processes. We found that the addition of a small amount of silica nanoparticles (SNPs) drastically...
KOBAYASHI Takashi, NAGASE Takashi, NAITO Hiroyoshi
Journal of the Adhesion Society of Japan   46(8) 309-315   Aug 2010
Takashi Nagase, Takeshi Hirose, Shuhei Nishigami, Takashi Kobayashi, Rieko Ueda, Akira Otomo, Hiroyoshi Naito
Proceedings of the International Display Workshops   16 1785-1788   Dec 2009
We investigate the device characteristics of organic field-effect transistors (OFETs) with nanometer scaled channels. It is found that short-channel effects in OFETs strongly depend on the organic semiconductor/electrode interface and the electric...
H. Hase, T. Okachi, T. Nagase, T. Kobayashi, H. Naito
Proceedings of the International Display Workshops   16 1069-1072   Dec 2009
We propose a method for the determination of localized-state distributions in organic light-emitting diodes by impedance spectroscopy. The applicability of the method is demonstrated in poly(9,9-dioctyl-fluorene-co-N-(4-butylphenyl)- diphe nylamin...
T. Hamada, S. Yamazaki, T. Nagase, K. Tomatsu, Y. Ueda, M. Watanabe, S. Watase, T. Tamai, T. Kobayashi, S. Murakami, H. Naito, K. Matsukawa
Proceedings of the International Display Workshops   15 1665-1668   Dec 2008
We have developed polymethylsilsesquioxane (PMSQ)-type gate insulating thin films with good high resistivity and surface morphology. In addition, novel functional polysilsesquioxane gate insulator materials have been developed, which have a high-d...
T. Okachi, T. Nagase, T. Kobayashi, H. Naito
Proceedings of the International Display Workshops   15 1021-1024   Dec 2008
A theory of the method for determining localized-state distributions in organic light-emitting diodes by impedance spectroscopy is proposed and the applicability of the method is examined by computer simulation. Analytical expressions relating imp...
村上修一, 濱田崇, 戸松賢治, 上田祐輔, 山崎沙織, 永瀬隆, 小林隆史, 松川公洋, 内藤裕義
大阪府立産業技術総合研究所報告   (22) 79-84   Sep 2008
T. Hamada, K. Tomatsu, T. Nagase, T. Kobayashi, S. Murakami, M. Watanabe, H. Naito, K. Matsukawa
Proceedings of the International Display Workshops   14 599-600   Dec 2007
Silsesquioxane materials were prepared by a sol-gel method, which have many advantages such as low cost, solution processability, and so on. We have investigated polymethylsilsesquioxane (PMSQ)-type gate insulating thin films with good high resist...
T. Okachi, T. Nagase, T. Kobavashi, H. Naito
Proceedings of the International Display Workshops   14 1129-1132   Dec 2007
A new method has been proposed for the determination of charge-carrier mobility in organic light-emitting diodes (OLEDs) by impedance spectroscopy (IS) measurements. The theoretical basis of this method is a single-injection space-charge-limited c...
T. Okachi, H. Azuma, T. Nagase, T. Kobayashi, H. Naito
Proceedings of the International Display Workshops   13 1323-1326   Dec 2006
Impedance spectroscopy (IS) of poly(9,9-dioctylfluorene) (F8) polymer light-emitting diodes (PLEDs) with anode buffer layers has been studied to determine their equivalent circuits. The equivalent circuits of the PLEDs below and above the threshol...
Kubota T, Nagase T, Hasegawa H, Mashiko S.
Journal of the National Institute of Information and Communications Technology   51(3-4) 99-109   Sep 2004   [Refereed]
In recent years, nano-technology may lead to a new way to electronics and many novel electronic devices in the field of information and communications technology. One of these nano-devices, single electron tunneling device using small particles in...

Books etc

 
"Molecular electronics" in Springer Handbook of Electronic and Photonic Materials
M. C. Petty, T. Nagase, H. Suzuki, and H. Naito (Part:Contributor, pp. 1257-1279)
Springer   2017   
“Nanogap electrodes developed using focused ion beam technology”, in Handbook of Manufacturing Engineering and Technology
Takashi Nagase (Part:Contributor, pp. 1513-1528)
Springer   2015   
“Electronic structures of planar and nonplanar polyfluorene”, in Excitonic and photonic processes in materials
T. Kobayashi, T. Nagase, and H. Naito (Part:Contributor, pp. 63-80)
Springer   2015   

Conference Activities & Talks

 
阿部駿人, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
Imaging Conference Japan論文集   2 Jul 2019   
永瀬隆, 小林隆史, 内藤裕義, 永瀬隆, 小林隆史, 内藤裕義
電子情報通信学会技術研究報告   28 Jun 2019   
川手大輔, 萱苗淳美, 石井智也, 丹羽顕嗣, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   25 Feb 2019   
田津原汐音, 饗庭智也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 貞光雄一, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   25 Feb 2019   
阿部駿人, 永瀬隆, 永瀬隆, 石原良晃, 野内亮, 野内亮, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   25 Feb 2019   
石井智也, 川手大輔, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 合志憲一, 中野谷一, 中野谷一, 中野谷一, 安達千波矢, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   25 Feb 2019   
上山颯斗, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   25 Feb 2019   
森聖仁, 野島大希, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   25 Feb 2019   
布引 達也, 高田 誠, 永瀬 隆, 小林 隆史, 内藤 裕義
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   28 Nov 2018   
阿部駿人, 塩野郁弥, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
真弓隆洋, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
高田誠, 真弓隆洋, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
中嶋悠翔, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
高田誠, 遠藤歳幸, 佐野翔一, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
末永悠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
石井智也, 丹羽顕嗣, 川手大輔, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
川手大輔, 石井智也, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
饗庭智也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 貞光雄一, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
布引達也, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
野島大希, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
佐野翔一, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
久茂田耀, 野島大希, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
饗庭智也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 貞光雄一, 内藤裕義, 内藤裕義
Imaging Conference Japan論文集   19 Jun 2018   
饗庭智也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 貞光雄一, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
阿部駿人, 塩野郁弥, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
布引達也, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
久茂田耀, 中美総司, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
真弓隆洋, 高田誠, 森井克行, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
佐野翔一, 福留淳, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
石井智也, 丹羽顕嗣, 川手大輔, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
高田誠, 布引達也, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
末永悠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
中嶋悠翔, 布引達也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
川手大輔, 丹羽顕嗣, 石井智也, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
野島大希, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
久茂田耀, 野島大希, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
光物性研究会論文集   2018   
永瀬 隆, 三田 翔也, 塩野 郁弥, 小林 隆史, 内藤 裕義
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   17 Nov 2017   
布引達也, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
末永悠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
三田翔也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 瀧宮和男, 貞光雄一, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
野島大希, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
塩野郁弥, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
丹羽顕嗣, 川手大輔, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
饗庭智也, 三田翔也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 貞光雄一, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
福留淳, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
石原口賢太, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
横川聡士, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
真弓隆洋, 高田誠, 森井克行, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
川手大輔, 丹羽顕嗣, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
真弓隆洋, 高田誠, 森井克行, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
Imaging Conference Japan論文集   20 Jun 2017   
福留淳, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 田中作白, 宮本栄一, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
末永悠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
真弓隆洋, 高田誠, 森井克行, 永瀬隆, 小林隆史, 内藤裕義, 永瀬隆, 小林隆史, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
野島大希, 小林隆史, 永瀬隆, 内藤裕義, 小林隆史, 永瀬隆, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
丹羽顕嗣, 長谷山翔太, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
布引達也, 杉山拓也, 高田誠, 永瀬隆, 小林隆史, 内藤裕義, 永瀬隆, 小林隆史, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
横川聡士, 高田誠, 永瀬隆, 小林隆史, 内藤裕義, 永瀬隆, 小林隆史, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
川手大輔, 長谷山翔太, 丹羽顕嗣, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
石原口賢太, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, ALBRECHT K., 山元公寿, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
真弓 隆洋, 高田 誠, 森井 克行, 永瀬 隆, 小林 隆史, 内藤 裕義
Imaging Conference Japan論文集   2017   
塩野 郁弥, 永瀬 隆, 小林 隆史, 内藤 裕義
Imaging Conference Japan fall meeting   2017   
川手大輔, 丹羽顕嗣, 石井智也, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
光物性研究会論文集   2017   
塩野郁弥, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
Meeting of Federation of Imaging Societies (CD-ROM)   2017   
杉山拓也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
福留淳, 高田誠, 菅原猛司, 名取詩織, 長谷川靖哉, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
永瀬隆, 永瀬隆, 中道諒介, 小林隆史, 小林隆史, 貞光雄一, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
末永悠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
長谷川純也, 高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 安達千波矢, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
高田誠, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
三田翔也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 瀧宮和男, 貞光雄一, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
塩野郁弥, 永瀬隆, 小林隆史, 内藤裕義, 永瀬隆, 小林隆史, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
丹羽顕嗣, 長谷山翔太, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
石原口賢太, 長谷山翔太, 丹羽顕嗣, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, ALBRECHT K., 山元公寿, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
中美総司, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
長谷山翔太, 丹羽顕嗣, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   
末永悠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
Imaging Conference Japan論文集   8 Jun 2016   
長谷山翔太, 丹羽顕嗣, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
Imaging Conference Japan論文集   8 Jun 2016   
長谷川純也, 高田誠, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 安達千波矢, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
Imaging Conference Japan論文集   8 Jun 2016   
村田憲保, 米川穣, 杉山拓也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
杉山拓也, 中島真実, 大下浄治, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
長谷山翔太, 高木絢生, 丹羽顕嗣, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
高田誠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
丹羽顕嗣, 長谷山翔太, 高木絢生, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
成岡達彦, 中美総司, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
石原口賢太, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
中美総司, 成岡達彦, 丹羽顕嗣, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 内藤裕義, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
塩野郁弥, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
高木謙一郎, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
長谷川純也, 高田誠, 末永悠, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 安達千波矢, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
末永悠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
応用物理学会春季学術講演会講演予稿集(CD-ROM)   3 Mar 2016   
丹羽顕嗣, 長谷山翔太, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 合志憲一, 合志憲一, 安達千波矢, 安達千波矢, 内藤裕義, 内藤裕義
光物性研究会論文集   2016   
高田誠, 古田卓, 小林隆史, 小林隆史, 永瀬隆, 永瀬隆, 品川勉, 伊崎昌伸, 内藤裕義, 内藤裕義
日本画像学会誌   2016   
We investigate inverted organic light-emitting diodes (iOLEDs) using poly (9,9-dioctylfluorene-alt-benzothiadiazole) (F8BT) as an emissive layer and metal oxide thin films, titanium oxide (TiO2) or zinc oxide (ZnO) as an electron-inject...
三田翔也, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 瀧宮和男, 貞光雄一, 内藤裕義, 内藤裕義
Meeting of Federation of Imaging Societies (CD-ROM)   2016   
末永悠, 永瀬隆, 永瀬隆, 小林隆史, 小林隆史, 内藤裕義, 内藤裕義
Meeting of Federation of Imaging Societies (CD-ROM)   2016   
中道 諒介, 永瀬 隆, 小林 隆史
電子情報通信学会技術研究報告   23 Oct 2015   
中道諒介, 永瀬隆, 小林隆史, 貞光雄一, 内藤裕義
電子情報通信学会技術研究報告   16 Oct 2015