Color-tunable polymeric light-emitting diodes based on blend of CN-PPV and PVK

被引:20
作者
Jiang, XZ [1 ]
Liu, YQ
Song, XQ
Zhu, DB
机构
[1] Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
[2] Tsing Hua Univ, Dept Chem, Beijing 100084, Peoples R China
关键词
electroluminescence; cyano-substituted poly(phenylene vinylene); poly(N-vinyl carbazole); spin casting;
D O I
10.1016/S0379-6779(98)80049-0
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Polymeric light-emitting diodes (LEDs) fabricated by sandwiching the blend of cyano-substituted poly(p-phenylene vinylene) (CN-PPV) and poly(N-vinyl carbazole) (PVK) between indium-tin oxide (ITO) and Al an reported. The emission color of the device is tunable. increases, and the emission color red-shifts to orange but the electroluminescence intensity of the device decreases. The doping ratio of CN-PPV to PVK has an effect on both the turn-on voltage and the ideality factor of the devices. (C) 1997 Elsevier Science S.A.
引用
收藏
页码:311 / 313
页数:3
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