A New Approach to Prepare Efficient Blue AIE Emitters for Undoped OLEDs

被引：74
|
作者：
Huang, Jing [1 ]
Tang, Runli [1 ]
Zhang, Tian [1 ]
Li, Qianqian [1 ]
Yu, Gui [2 ]
Xie, Shuyi [1 ]
Liu, Yunqi [2 ]
Ye, Shanghui [3 ]
Qin, Jingui [1 ]
Li, Zhen [1 ]
机构：
[1] Wuhan Univ, Hubei Key Lab Organ & Polymer Optoelect Mat, Dept Chem, Wuhan 430072, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Organ Solids Labs, Beijing 100080, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Inst Adv Mat, KLOEID, Nanjing 210046, Jiangsu, Peoples R China
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2014年 / 20卷 / 18期
基金：
中国国家自然科学基金;
关键词：
aggregation-induced emission; blue emitters; luminescence; organic light-emitting diodes; tetraphenylethene; AGGREGATION-INDUCED EMISSION; LIGHT-EMITTING DEVICES; ORGANIC ELECTROLUMINESCENT DEVICE; HIGHLY EFFICIENT; CONJUGATED POLYMERS; SOLID-STATE; ANTHRACENE-DERIVATIVES; ENHANCED EMISSION; MOLECULAR GLASS; LUMINOGENS;
D O I：
10.1002/chem.201303522
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two aggregation-induced emission active luminogens (TPE-pTPA and TPE-mTPA) were successfully synthesized. For comparison, another six similar compounds were prepared. Because of the introduced hole-dominated triphenylamine (TPA), fluorene groups with high luminous efficiency, and unconjugated linkages, the conjugation length of the obtained luminogens is effectively restricted to ensure their blue emission. The undoped organic light-emitting diodes based on TPE-pTPA and TPE-mTPA exhibited blue or deep-blue emissions, low turn-on voltages (3V), and high electroluminescence efficiencies with L-max, (C,max), and (P,max) values of up to 26697cdm(-2), 3.37cdA(-1), and 2.40LmW(-1).
引用
收藏
页码：5317 / 5326
页数：10
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