Temperature dependent photoluminescence and electroluminescence properties of polythiophene with hydrogen bonding side chain

被引:35
作者
Jung, SD
Hwang, DH
Zyung, T
Kim, WH
Chittibabu, KG
Tripathy, SK
机构
[1] Elect & Telecommun Res Inst, Taejon 305600, South Korea
[2] Samsung Cent Res Inst Chem Technol, Taejon, South Korea
[3] Univ Lowell, Dept Chem, Lowell, MA 01854 USA
关键词
urethane substituted polythiophene; thermochromism; absorption; electroluminescence; photoluminescence; hydrogen bond;
D O I
10.1016/S0379-6779(98)00161-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We have investigated the temperature dependent optical absorption, photoluminescence (PL) and electroluminescence (EL) properties of a highly soluble and hydrogen-bond forming polythiophene with a urethane side chain, poly[2-(3-thienyl)ethanol n-butoxy carbonyl-methylurethane] (PURET). We have found that PURET shows the thermochromism and the temperature dependence in EL and PL spectra. Within a limited temperature range, the EL and PL intensities increase with increasing temperature and this is attributed to the thermally induced deformation of the ordered portion in polymer chain. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:107 / 111
页数:5
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