Synthesis, structure and properties of a novel quinoid compound

被引：2
|
作者：
Tang, JC
Zhang, RF [1 ]
Shen, CJ
机构：
[1] Ningbo Univ, Fac Sci, Dept Chem, Ningbo 315211, Peoples R China
[2] Jilin Univ, Minist Educ, Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
来源：
SYNTHETIC METALS | 2005年 / 155卷 / 01期
基金：
中国国家自然科学基金;
关键词：
oxadiazolequinodimethane derivative; small bandgap; positive solvatochromism; electroluminescence; red emission;
D O I：
10.1016/j.synthmet.2005.06.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel quinoid compound alpha,alpha,alpha',alpha'-tetra(4-tert-butylphenyl)-1,3,4-oxadiazole-quinodimethane (TPOQ) was synthesized through oxidative dehydrogenation in basic condition. The structure was characterized by elemental analysis, H-1 NMR, and mass spectrum. UV-vis spectra, photoluminescence (PL) spectra, and electron spin resonance (ESR) measurements showed that the compound had a small bandgap and pi-pi* transition process produced an increase of polarity. Pure red emission at near 670 nm was observed from a single layer electroluminescence (EL) device, the emission color was unchanged with increase of applied voltage, which showed that TPOQ could be used as red emission material. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：100 / 104
页数：5
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