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题名: Improved performance in organic light emitting diodes with a mixed electron donor-acceptor film involved in hole injection
作者: Cao GH (Cao Guohua);  Qin DS (Qin Dashan);  Cao JS (Cao Junsong);  Guan M (Guan Min);  Zeng YP (Zeng Yiping);  Li JM (Li Jinmin)
发表日期: 2007
摘要: Organic light emitting diodes using a mixed layer of electron acceptor 3, 4, 9, 10 perylenetetracarboxylic dianhydride and electron donor copper phthalocyanine (PTCDA:CuPc) on indium tin oxide (ITO) anodes were fabricated. The device properties were found to be strongly dependent on the thickness of the PTCDA:CuPc film: both the power efficiency and the driving voltage of the device were optimized with a thickness of PTCDA:CuPc ranging from 10 to 20 nm. As compared to the conventional ITO/CuPc hole injection structure, the ITO/PTCDA:CuPc hole injection structure could remarkably enhance both the luminance and the power efficiencies of devices. A mechanism of static-induced, very efficient hole-electron pairs generation in mixed PTCDA:CuPc films was proposed to explain the experimental phenomena. The structural and optical properties of PTCDA:CuPc film were examined as well. (c) 2007 American Institute of Physics.
KOS主题词: Field-effect transistors
刊名: JOURNAL OF APPLIED PHYSICS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Cao, GH (Cao, Guohua); Qin, DS (Qin, Dashan); Cao, JS (Cao, Junsong); Guan, M (Guan, Min); Zeng, YP (Zeng, Yiping); Li, JM (Li, Jinmin) .Improved performance in organic light emitting diodes with a mixed electron donor-acceptor film involved in hole injection ,JOURNAL OF APPLIED PHYSICS,JUN 15 2007,101 (12):Art.No.124507
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