Efficient and stable non-doped deep-blue organic light emitting diode based on an anthracene derivative

被引：7
|
作者：
Wang ZhiQiang [1 ,2 ,3 ]
Zheng CaiJun [1 ,2 ]
Liu Heng [4 ]
Ou XueMei [1 ,2 ]
Zhang XiaoHong [1 ,2 ]
机构：
[1] Chinese Acad Sci, Nanoorgan Photoelect Lab, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Key Lab Photochem Convers & Optoelect Mat, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
[3] Luoyang Normal Univ, Coll Chem & Chem Engn, Luoyang 471022, Peoples R China
[4] Binzhou Polytech, Binzhou 256603, Peoples R China
来源：
SCIENCE CHINA-CHEMISTRY | 2011年 / 54卷 / 04期
基金：
中国国家自然科学基金;
关键词：
organic light emitting diodes; anthracene derivative; deep-blue emission; theoretical calculations; thermal properties; HIGHLY EFFICIENT; ELECTROLUMINESCENT DEVICES; PURITY; CORE;
D O I：
10.1007/s11426-011-4243-9
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new anthracene derivative 9,10-bis[3,5-di(4-tert-butylphenyl)phenyl]anthracene (BPPA) was synthesized via Suzuki coupling reaction and characterized by H-1 NMR spectrum, mass spectrum, and elemental analysis. BPPA exhibits deep-blue emission both in solution and in solid thin film. This compound has a non-planar structure that results in high thermal stability and the phenomenon of polymorphism. The non-doped device based on this material shows stable deep-blue emission with the 1931 Commission international de I'Eclairage (CIE) coordinate of (0.15, 0.05) under different applied voltages. The device exhibits the maximum external quantum efficiency of 2.2% at 14.9 mA/cm(2) with luminance of 105 cd/m(2).
引用
收藏
页码：666 / 670
页数：5
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