Search Results 1-20 of 105

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Measuring Elastic and Plastic Properties of PVK and CBP Thin Films using Triangular Pyramid Indenter

KOBAYASHI Toshiro , FURUMOTO Hideaki , YAMAGUCHI Akinobu , KANEMATSU Hideyuki , GRUESCU Ion Cosmin

… The results have shown that the elastic modules of PVK and CBP were 9.3 MPa and 9.5 MPa respectively, which are a little lower than those of Alq3 … are 0.003 and 0.0007 for PVK and CBP respectively, which are much smaller than those of Alq3 …

Advanced Experimental Mechanics 4(0), 96-102, 2019

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2

Nile-RedのAlq3への添加によるOLEDの発光スペクトル制御 [in Japanese]

高橋直哉 , 壬生孝輝 , 佐々木崇徳

Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, Japan 2018(0), 90-90, 2018

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3

Alq3の宝石箱:（第8回JSAPフォト&イラストコンテスト優秀賞受賞作品） [in Japanese]

堀家匠平

Oyo Buturi 86(2), 89-89, 2017

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4

Measuring Temperature Dependence of Critical Cracking Strain of Thin Films for Organic Light Emitting Diode 

KOBAYASHI Toshiro , MUNKHTSOG Munkhzul , UTUMI Yuichi , KANEMATSU Hideyuki , MASUDA Tsuyoshi

… Therefore, the tensile tests of Alq3, PVK, NPB, and spiro-NPB, which were prepared on PEN substrates, were conducted at a temperature of 54ºC then the critical cracking strains were compared with those measured at room temperature. … As a result, it was found that the critical cracking strain of Alq3 …

Advanced Experimental Mechanics 2(0), 128-133, 2017

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5

Unique Morphology and Optical Properties of Tris(8-hydroxyquinoline)aluminum Crystal Grown by Ionic Liquid-assisted Vacuum Vapor Deposition

Horike Shohei , Misaki Masahiro , Koshiba Yasuko , Morimoto Masahiro , Ishida Kenji

… Crystal growth of Alq3 … Alq3 … The successful crystal growth can be explained by the enhanced migration of Alq3 …

Chemistry Letters 45(10), 1156-1158, 2016

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6

Preparation and Characterization of 8-Hydroxyquinoline Aluminum/Polypyrrole Core-Shell Composites

Li Tingxi , Song Hui , Han Yongqin , Gao Li , Su Haibo , Jiang Lin , Wang Yanmin , Wang Qing

… In this paper, 8-hydroxyquinoline aluminum/polypyrrole (Alq3/PPy) core-shell composites were prepared via in situ chemical oxidative polymerization with ammonium persulfate (APS) as oxidizer and hydrochloric acid (HCl) as dopant. …

Journal of Photopolymer Science and Technology 29(1), 25-30, 2016

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7

Development of Low Damage Sputter-Deposition Method for the Preparation of Organic Light Emitting Diode [in Japanese]

HOSHI Yoichi , KOBAYASHI Shin-ichi , UCHIDA Takayuki , SAWADA Yutaka , LEI Hao

… Deposition of top Al electrode films by a low damage Facing-Target sputtering method (FTS) have been attempted to fabricate an Organic Light Emitting Diode (OLED) (glass substrate/ITO /NPB/Alq3/BCP/LiF/Al). …

Journal of the Vacuum Society of Japan 59(3), 59-64, 2016

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8

[Paper] Mitigation of Roll-off Property in OLED by Accumulated Electron Reduction at Emission/Electron-Transport Layer Heterojunction Interface

Minagawa Masahiro , Tsuchida Yusuke , Takahashi Katsuya , Takahashi Akira

… lt;sub>3)-doped 9,10-diphenyl-anthracene (DPA, 30 nm)/DPA (10 nm)/5 wt%-5,6,11,12-tetraphenyl-naphthacene (rubrene)-doped DPA (40 nm)/DPA (20 nm)/14 wt%-cesium (Cs)-doped DPA (20 nm)/aluminum (Al, 100 nm, cathode) structure, although a conventional OLED having an ITO (145 nm, anode)/N,N´-Di-[(1-naphthyl)-N,N´-diphenyl]-1,1´-biphenyl)-4,4´- diamine (α-NPD, 20 nm)/5 wt%-rubrene-doped DPA (42 nm)/tris(8-hydroxyquinoline) aluminum (Alq< …

ITE Transactions on Media Technology and Applications 3(2), 127-132, 2015

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9

The Study of N-type Doping and Stamping Transfer Processes of Electron Transport Layer for Organic Light-emitting Diodes

JUANG Fuh-Shyang , CHITTAWANIJ Apisit , HONG Lin-Ann , TSAI Yu-Sheng , HUANG Kuo-Kai

… The Liq doped tris(8-hydroxyquinolinato) aluminum (Alq3) layer possessed enhanced electron injection, efficient hole and electron balance in the emitting layer, as one of the most essential issues for device applications. …

IEICE Transactions on Electronics E98.C(2), 66-72, 2015

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10

Surface Potential Measurement of Organic Multi-layered Films on Electrodes by Kelvin Probe Force Microscopy

SATOH Nobuo , KATORI Shigetaka , KOBAYASHI Kei , MATSUSHIGE Kazumi , YAMADA Hirofumi

… '-phenyl] benzidine (α-NPD) and tris (8-hydroxyquinolinato) aluminum (Alq3), respectively, on indium-tin-oxide (ITO) as anode and aluminum (Al) as cathode by the vacuum evaporation deposition using intersecting metal shadow masks. …

IEICE Transactions on Electronics E98.C(2), 91-97, 2015

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11

Measurement of Reduced Elastic Modulus of Organic Semiconductor Materials for Flexible Organic Light Emitting Diode

KOBAYASHI Toshiro , IKEDA Hatsuki , UTSUMI Yuichi , KANEMATSU Hideyuki , MASUDA Tsuyoshi , YAMAMOTO Motomichi

… As a result, it could be observed that the reduced modulus of Alq3, α-NPD, and the mixed thin films of Alq3 …

Journal of the Japanese Society for Experimental Mechanics 14(Special_Issue), s194-s199, 2014

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12

Improvement in the Ductility of Organic Semiconductor Materials Used in a Flexible Organic Light Emitting Diode

KOBAYASHI Toshiro , YOKOYAMA Takashi , UTSUMI Yuichi , KANEMATSU Hideyuki , MASUDA Tsuyoshi , YAMAMOTO Motomichi

… Tensile strain testing was conducted on standard thin films: Tris(8-hydroxyquinolinato)aluminum (Alq3), Bis [N-(1-naphthyl)-N-pheny] benzidine) (α-NPD), and mixed layers of 1/1 Alq3/α-NPD. …

Journal of the Japanese Society for Experimental Mechanics 14(Special_Issue), s189-s193, 2014

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13

Syntheses of Solution-Processable Arylamine Derivatives and Their Application to Organic Light Emitting Devices

Inayama Satoshi , Takahashi Naoya , Pu Yong-Jin , Chiba Takayuki , Sasabe Hisahiro , Kido Junji

… The OLEDs with the arylamines as hole-transporting layer from solution-process and tris(8-quinolinolato) aluminum (Alq3) as emitting layer from dry-process were fabricated. …

Journal of Photopolymer Science and Technology 25(3), 335-339, 2012

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14

Performance of Alq3-based Organic Light-Emitting Diode Fabricated under Light Irradiation

Kim Hyung Jun , Tamura Takamitsu , Nakayama Yasuo , Noguchi Yutaka , Ishii Hisao

… Tris(8-hydroxyquinolinato) aluminum (Alq3) is known to induce negative interface charge in multilayer organic light-emitting diodes (OLEDs) because of orientation polarization when fabricated in dark. … Recently, it was reported that light illumination during the deposition of Alq3 …

Journal of Photopolymer Science and Technology 25(2), 183-187, 2012

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15

Time-Of-Flight Technique to Examine Carrier Blocking Nature in Organic Light Emitting Diode

Rahman Md. Mijanur , Ogawa Naoki , Miyazaki Yukimasa , Nakayama Yasuo , Noguchi Yutaka , Ishii Hisao

… The measurement was demonstrated for ITO| α-NPD(1100 nm) |Alq3(60 nm)|Al(100 nm) device. … For hole transport from ITO to Al electrode, delayed-transport and blocking nature at α-NPD/Alq3 …

e-Journal of Surface Science and Nanotechnology 10(0), 315-320, 2012

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16

Preparation of Two Layers Organic Thin Films on an ITO/PET Substrate using Alq3/ coumarin6 and PEDOT/PSS by Spin Coat

Chujo Hina , Tada Yusuke , Iwata Nobuyuki , Yamamoto Hiroshi

We prepare two layers organic light-emitting diodes (OLED) composed of small molecular materials. Organic multilayers are accumulated by spin-coat method on polyethylene terephthalate/indium-tin oxide …

Transactions of the Materials Research Society of Japan 37(2), 263-266, 2012

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17

Analyzing Two Electroluminescence Modes of ITO/α-NPD/Alq3/Al Devices by Using A.C. Square Voltages [in Japanese]

Sadakata Atsuo , Taguchi Dai , Yamamoto Tetsuya , Osada Kenshiro , Fukuzawa Masahiro , Manaka Takaaki , Iwamoto Mitsumasa

… square voltages to double-layer ITO/α-NPD/Alq3/Al devices, we studied the generation of electroluminescence (EL) in terms of the carrier injection and transport. …

IEEJ Transactions on Electronics, Information and Systems 132(9), 1408-1412, 2012

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18

Influence of the Performance of Organic Light Emitting Devices by Chemical Reaction at the Interface between Electron Transport Material and Ba Cathode

LEE Chan-Nae , KWAK Min-Gi. , CHOI Duck-Kyun , MOON Dae-Gyu

… Red electrophosphorescent organic light-emitting devices using red phosphorescent dopant, and tris-(8-hydroxyquinoline)-aluminum (Alq3) and 2,9-dimethyl-4,7 diphenyl-1,10-phenanthroline (BCP) electron injecting have been fabricated. … A device with Alq3 as electron transport layer shows high turn-on voltage (@ 1 cd/m2) of 6.25 V, but a device with BCP does lower turn-on voltage of 5.0 V. …

MATERIALS TRANSACTIONS 52(6), 1316-1319, 2011-06-10

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First-principles Theoretical Study of Organic-metal Interfaces [in Japanese]

MORIKAWA Yoshitada , YANAGISAWA Susumu

… We also discuss the importance of the alignment of molecular permanent dipoles in the case of Alq3/metal interfaces, which are relevant to organic light emitting devices. …

Hyomen Kagaku 32(1), 9-14, 2011-01-10

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Disilanyl Double-Pillared Bisanthracene: A Bipolar Carrier Transport Material for Organic Light Emitting Diode Devices [in Japanese]

Hitosugi Shunpei , Nakanishi Waka , Shimada Yusuke , Piskareva Anna , Taka Hideo , Kita Hiroshi , Isobe Hiroyuki

… The standard device with Alq3 … in electron transport layer (ETL) and a-NPD in hole transport layer (HTL) showed external quantum efficiency (EQE) of 3.4% at the constant current of 2.5 mA/cm2, whereas the device with SiDPBA in ETL showed superior performance of EQE = 11.0%. …

Abstracts of Symposium on Physical Organic Chemistry 2010(0), A31-A31, 2011

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