Novel Electron-Transporting Carbazolylphenylquinolines for Phosphorescent Organic Light-Emitting Diodes
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概要
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We developed four types of novel electron-transporting carbazolylphenyl-quinoline (CQ) derivatives. The photophysical and thermal properties of these materials were studied. Moreover, these materials were applied for an electron-transport layer and for a host material in phosphorescent organic light-emitting diodes, and a high electroluminescence (EL) efficiency was obtained in these devices. With 2-(3-(3,6-diphenylcarbazole-9-yl)phenyl)lepidine (DPCLP) as a host and tris(2-phenylpyridine)iridium(III) [Ir(ppy)3] as a guest, the highest EL efficiency of $\eta_{\text{ext}}=11.2$% was obtained.
- 2006-12-15
著者
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Adachi Chihaya
Department Of Functional Polymer Science Faculty Of Textile Science And Technology Shinshu Universit
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Takahashi Atsushi
Sogo Pharmaceutical Co. Ltd.
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Endo Ayataka
Department of Photonics Materials Science, Chitose Institute of Science and Technology, 758-65 Bibi, Chitose, Hokkaido 066-8655, Japan
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Adachi Chihaya
Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka 819-0395, Japan
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Adachi Chihaya
Department of Photonics Materials Science, Chitose Institute of Science and Technology, 758-65 Bibi, Chitose, Hokkaido 066-8655, Japan
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