Highly Efficient Deep-Blue Electrophosphorescence Enabled by Solution-Processed Bipolar Tetraarylsilane Host with Both a High Triplet Energy and a High-Lying HOMO Level

被引：145
|
作者：
Gong, Shaolong [1 ]
Fu, Qiang [2 ]
Wang, Qiang [2 ]
Yang, Chuluo [1 ]
Zhong, Cheng [1 ]
Qin, Jingui [1 ]
Ma, Dongge [2 ]
机构：
[1] Wuhan Univ, Dept Chem, Hubei Key Lab Organ & Polymer Optoelect Mat, Wuhan 430072, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
来源：
ADVANCED MATERIALS | 2011年 / 23卷 / 42期
基金：
中国国家自然科学基金;
关键词：
LIGHT-EMITTING-DIODES; ELECTRON-TRANSPORT MATERIALS; ORGANIC ELECTROPHOSPHORESCENCE; HOLE-INJECTION; DEVICES; GREEN; TRIPHENYLAMINE; CONFINEMENT; MOLECULE;
D O I：
10.1002/adma.201102758
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new bipolar tetraarylsilane derivative with both a sufficiently high triplet energy and a high-lying highest occupied molecular orbital energy level is presented as an excellent host for the deep-blue phosphor. A solution-processed FIr6-based deep-blue phosphorescent organic light-emitting diode (PhOLED) is realized with high efficiency and low efficiency roll-off.
引用
收藏
页码：4956 / 4959
页数：4
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