Organic light-emitting devices having chemically-doped arylamine oligomer as a hole injection layer

被引：10
|
作者：
Ito, T [1 ]
Asaka, J [1 ]
Luan, K [1 ]
Dao, T [1 ]
Kido, J [1 ]
机构：
[1] Yamagata Univ, Grad Sch Sci & Engn, Yonezawa, Yamagata 9928510, Japan
来源：
POLYMERS FOR ADVANCED TECHNOLOGIES | 2005年 / 16卷 / 07期
关键词：
arylamine; oligomers; hole injection; light-emitting diodes; luminescence;
D O I：
10.1002/pat.609
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A soluble and thermally stable arylamine oligomer containing difluorenyl groups was prepared and applied to organic light-emitting devices (OLEDs) as a hole injection layer. The oligomer layer was doped with a Lewis acid and formed by spin coating from the dichloroethane solution. The OLED with a structure of indium tin oxide (ITO)/Lewis-acid-doped arylamine oligomer/N,N'-dinaphthyl-N,N'-diphenyl bendizine (alpha-NPD)/tris(8-quinolinolato)aluminum(III) (Alq(3))/LiF/Al showed lower drive voltages and higher power efficiencies, compared with the devices without the hole injection oligomer layer. Copyright (c) 2005 John Wiley & Sons, Ltd.
引用
收藏
页码：559 / 562
页数：4
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