High-Performance Blue Phosphorescent OLEDs Using Energy Transfer from Exciplex

被引：238
|
作者：
Seino, Yuki [2 ,3 ]
Sasabe, Hisahiro [1 ,2 ]
Pu, Yong-Jin [2 ,3 ]
Kido, Junji [1 ,2 ]
机构：
[1] Yamagata Univ, Dept Organ Device Engn, Yonezawa, Yamagata 9928510, Japan
[2] Yamagata Univ, Res Ctr Organ Elect ROEL, Yonezawa, Yamagata 9928510, Japan
[3] Yamagata Univ, Dept Organ Device Engn, Yonezawa, Yamagata 9928510, Japan
来源：
ADVANCED MATERIALS | 2014年 / 26卷 / 10期
基金：
日本科学技术振兴机构;
关键词：
blue phosphorescent OLED; high efficiency; low driving voltage; exciplex; sulfone derivative; LIGHT-EMITTING-DIODES; HIGH-EFFICIENCY BLUE; HOST MATERIALS; ELECTROLUMINESCENCE; PHOTOLUMINESCENCE; VOLTAGE;
D O I：
10.1002/adma.201304253
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An efficient energy transfer from an exciplex between a sulfone and an arylamine derivatives to a blue phosphorescent emitter enables OLED performances among the best, of over 50 lm W-1 at 100 cd m-2. The formation of the exciplex realizes a barrier-free hole-electron recombination pathway, thereby leading to high OLED performances with an extremely low driving voltage of 2.9 V at 100 cd m-2. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：1612 / 1616
页数：5
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