Solution Processed Blue Phosphorescent Organic Light Emitting Diodes Using a Phosphine Oxide Host Material

被引：8

作者：

Yook, Kyoung Soo ^{[1
]}

Jeon, Soon Ok ^{[1
]}

Kim, Oh Young ^{[1
]}

Lee, Jun Yeob ^{[1
]}

机构：

[1] Dankook Univ, Dept Polymer Sci & Engn, Gyeonggi 448701, South Korea

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 2010年 / 13卷 / 06期

关键词：

DEVICES;

D O I：

10.1149/1.3367630

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Solution processed high efficiency blue phosphorescent organic light emitting diodes were developed using a phosphine oxide derivative (SPPO1) as a host material. The SPPO1 was mixed with a polyvinylcarbazole (PVK), and the optimization of the device gave a high efficiency of 11.9 cd/ A at 1000 cd/m(2). The reduction in the aggregation of the dopant, a smooth surface morphology, and improved charge balance were responsible for the high efficiency in the PVK: SPPO1 mixed host device. (C) 2010 The Electrochemical Society. [DOI: 10.1149/1.3367630] All rights reserved.

引用

页码：J71 / J73

页数：3

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