9-Vinylcarbazole Based Semiconducting Electrochromic Copolymer with 3,4-Ethylenedioxythiophene

被引：5
作者：
Ahmed, Mohammad Shamsuddin [1 ]
Jeong, Haesang
You, Jung-Min
Jeon, Seungwon
机构：
[1] Chonnam Natl Univ, Dept Chem, Kwangju 500757, South Korea
来源：
SCIENCE OF ADVANCED MATERIALS | 2011年 / 3卷 / 02期
关键词：
ITO; Conducting Polymer; Vinylcarbazole; Cyclic Voltammetry; Electrochromism; Semiconducting Polymer; SOLUBLE CONDUCTING POLYMER; EDOT;
D O I：
10.1166/sam.2011.1159
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The electrochromic copolymer based on 9-vinylcarbazole (VC) with 3,4-ethylenedioxythiophene (EDOT) was characterized. The thin film copolymer P(VC-co-EDOT) was electrochemically synthesized and characterized via cyclic voltammetry, fourier transform infrared spectroscopy, SEM and colorimetry. Spectroelectrochemical investigations showed that resulting copolymer film has discrete electrochromic properties. At the neutral state lambda(max) due to the pi-pi* transition was found to be 511 nm and E-g was calculated as 1.7 eV. Double potential step chronoamperometry experiment showed that copolymer film has good stability; fast switching time and high optical contrast (50%) at 1100 nm. Purple color at oxidized state and blue color at reduced state were observed. At interval potential device had good transparency and greenish-blue color.
引用
收藏
页码：289 / 295
页数：7
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