Polymer light-emitting diode using a new trialkoxyalkyl substituted PPV derivative

被引：5
|
作者：
Lee, Ji-Hoon [1 ]
Hwang, Do-Hoon [2 ]
机构：
[1] Chungju Natl Univ, Dept Polymer Sci & Engn, Chungju 380702, South Korea
[2] Kumoh Natl Inst Technol, Dept Appl Chem, Kumi 730701, South Korea
来源：
SYNTHETIC METALS | 2008年 / 158卷 / 07期
关键词：
highly alkoxylated PPV; steric hindrance; blue-shifted emissions;
D O I：
10.1016/j.synthmet.2008.01.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new light-emitting poly(p-phenylenevinylene) (PPV) derivative containing trialkoxyalkyl substituents (TAA) as color tunable groups was synthesized through a Gilch polymerization, and the light-emitting properties of the polymer (TAA-PPV) were investigated. The emission of TAA-PPV was found to be highly blue-shifted to the green region, with peak absorption and band edge near 399 and 490 nm, respectively. The PL emission maximum of TAA-PPV thin films was found to be at approximately 493 run. Light-emitting devices were fabricated with the configuration ITO (indium-tin oxide)/PEDOT/polymer/Ca/Al and produced very bright green emission. This device with TAA-PPV as the emissive layer had a maximum brightness of 3600 cd/m(2) and a maximum power efficiency of 0.77 lm/W. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：273 / 277
页数：5
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