A Universal Host Material for High External Quantum Efficiency Close to 25% and Long Lifetime in Green Fluorescent and Phosphorescent OLEDs

被引:240
作者
Cho, Yong Joo [1 ]
Yook, Kyoung Soo [1 ]
Lee, Jun Yeob [1 ]
机构
[1] Dankook Univ, Dept Polymer Sci & Engn, Yongin 448701, Gyeonggi, South Korea
基金
新加坡国家研究基金会;
关键词
universal host; green host; high quantum efficiency; phosphorescent device; delayed fluorescent device; ACTIVATED DELAYED FLUORESCENCE; LIGHT-EMITTING-DIODES; DEVICES;
D O I
10.1002/adma.201400347
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
High quantum efficiency close to 25% and long lifetime in green thermally activated delayed fluorescent and phosphorescent organic light emitting diodes are achieved using universal 3′,5′-di(carbazol-9-yl)-[1,1′- biphenyl]-3,5-dicarbonitrile host material. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:4050 / 4055
页数:6
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