Polyaniline electrochromic devices with transparent graphene electrodes

被引：234

作者：

Zhao, Lu ^{[1
]}

Zhao, Liang ^{[2
]}

Xu, Yuxi ^{[1
]}

Qiu, Tengfei ^{[2
]}

Zhi, Linjie ^{[2
]}

Shi, Gaoquan ^{[1
]}

机构：

[1] Tsinghua Univ, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Dept Chem, Beijing 100084, Peoples R China

[2] Natl Ctr Nanosic & Technol, Beijing 100190, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2009年 / 55卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Electrochromic devices; Polyaniline; Graphene; ITO; Stability; DOPED POLYANILINE; COMPOSITE FILMS; OXIDE-FILMS; ACID; PERFORMANCE; ELECTROCHEMISTRY; DISPERSIONS; SHEETS; BLUE;

D O I：

10.1016/j.electacta.2009.08.063

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Transparent, conductive and uniform graphene films have been prepared and used as electrodes of the electrochromic devices of polyaniline. Polyaniline films on both graphene and the widely used indium tin oxide (ITO) electrodes showed similar electrochemical and spectroelectrochemical properties. However, graphene electrodes exhibited much higher electrochemical stability than ITO in aqueous acidic electrolytes. The performances of the electrochromic devices with graphene electrodes exhibited slight decrease upon voltage switching while those of the devices with ITO electrodes decreased dramatically. After 300 cycles, the electrochromic devices with graphene electrodes showed much larger optical contrast and shorter switching time than those of the devices with ITO electrodes. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：491 / 497

页数：7

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