Synthesis and electroluminescent properties of liquid-crystalline polymers containing oxadiazole and carbazole moieties in the same side chain

被引:3
作者
Nam, YM
Kinoshita, M
Ikeda, T
Kawamoto, M
Shiono, T
机构
[1] Tokyo Inst Technol, Chem Resources Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
[2] Hiroshima Univ, Grad Sch Engn, Dept Appl Chem, Hiroshima, Japan
关键词
bipolar carrier-transporting; carbazole; electroluminescence; liquid-crystalline polymer; oxadiazole; single-layer organic light-emitting diode;
D O I
10.1080/15421400500247318
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Liquid-crystalline polymers containing an oxadiazole moiety as an electron-transporting unit and a carbazole moiety as a hole-transporting unit in the same side chain were designed and synthesized to investigate electroluminescent (EL) properties. The synthesized polymers showed high fluorescence quantum efficiency. Furthermore, it was found that the luminescent polymers possessed bipolar carrier-transporting property. The single-layer organic light-emitting diode was fabricated to demonstrate EL emission. The device, ITO glass/the polymer/MgAg, exhibited intense blue emission with a maximum brightness of 30 cd/m(2) at 30 V.
引用
收藏
页码:95 / 104
页数:10
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