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

被引：0

作者：

WANG ZhiQiang1

Technical Institute of Physics and Chemistry

机构：

来源：

Science China Chemistry | 2011年 / 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;

D O I：

暂无

中图分类号：

O625.154 [];

学科分类号：

070303 ; 081704 ;

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 1H 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/cm2 with luminance of 105 cd/m2.

引用

页码：666 / 670

页数：5

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