Electroluminescence of poly(phenylenevinylene)s containing triphenylamine moieties in the main chain

被引：3
|
作者：
Pu, YJ [1 ]
Soma, M
Nishide, H
Shirai, S
Kido, J
机构：
[1] Waseda Univ, Dept Appl Chem, Tokyo 1698555, Japan
[2] Yamagata Univ, Grad Sch Sci & Engn, Yonezawa, Yamagata 9928510, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2002年 / 41卷 / 01期
关键词：
organic electroluminescence; light-emitting diode; triphenylamine; poly(phenylenevinylene);
D O I：
10.1143/JJAP.41.362
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A series of pi-conjugated polymers alternatively involving m-phenylenevinylene or p-phenylenevinylene and a triphenylamine moiety in the main chain, poly(triphenylamine-alt-phenylenevinylene)s, were synthesized and their optical and electrolumienscent properties were studied. Single-layer light-emitting diodes based on each polymer showed a strong blue-yellow-green emission ascribed to their band gaps, and exhibited small turn on voltages and large current densities. The device containing poly(4-methyltriphenylamine-alt-p-phenylenevinylene) (MPA-pPV) displayed a high brightness (640 cd/m(2) at 10 V). These results suggest that the polymers have a good charge transporting ability, and an electroluminescent property.
引用
收藏
页码：362 / 365
页数：4
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