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
收藏
页码：J71 / J73
页数：3
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