Electrochemical and electrochromic response of poly(thiophene-3-acetic acid) films

被引：41

作者：

Giglioti, M ^{[1
]}

Trivinho-Strixino, F ^{[1
]}

Matsushima, JT ^{[1
]}

Bulhoes, LOS ^{[1
]}

Pereira, EC ^{[1
]}

机构：

[1] Univ Fed Sao Carlos, Dept Quim, Lab Interdisciplinar Eletroquim & Ceram, BR-13565905 Sao Carlos, SP, Brazil

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2004年 / 82卷 / 03期

基金：

巴西圣保罗研究基金会;

关键词：

poly(thiophene-3-acetic acid); chemical oxidation; electrochromism; electrochemical characterization; conducting polymer;

D O I：

10.1016/j.solmat.2004.02.001

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 [动力工程及工程热物理]; 0820 [石油与天然气工程];

摘要：

Thiophene-3-acetic acid has been polymerized in chloroform by a chemical method using FeCl3 as oxidant. The films were prepared casting the solubilized polymer on ITO electrodes and studied using cyclic voltammetry, chronoamperometry and spectroelectrochemistry. During the potential sweep, an electrochromic process is observed in which the film color changes from red to black. High electrochromic efficiency was observed for more than 600 cycles, although it decreases to 73% of the initial value. Until 264 cycles, the electrochromic efficiency at 750 nm is stable and the value is 242cm(2)c(-1). (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：413 / 420

页数：8

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