Enhanced electrochromics of nanoporous cobalt oxide thin film prepared by a facile chemical bath deposition

被引：78

作者：

Xia, X. H. ^{[1
]}

Tu, J. P. ^{[1
]}

Zhang, J. ^{[1
]}

Huang, X. H. ^{[1
]}

Wang, X. L. ^{[1
]}

Zhang, W. K. ^{[2
]}

Huang, H. ^{[2
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

[2] Zhejiang Univ Technol, Coll Chem Engn & Mat Sci, Hangzhou 310032, Zhejiang, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2008年 / 10卷 / 11期

关键词：

CO3O4; Porous film; Electrochromic performance; Chemical bath deposition;

D O I：

10.1016/j.elecom.2008.09.025

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A highly porous cobalt oxide thin film was prepared on ITO glass by a facile chemical bath deposition (CBD) method. The as-prepared cobalt oxide film has an intercrossing net-like morphology. The electrochromic performance of cobalt oxide film was investigated in 0.1 M KOH by means of transmittance, cyclic voltammetry (CV) and chronoamperometry (CA) measurements. The cobalt oxide thin film exhibits a noticeable electrochromism with reversible color changes from pale yellow to dark grey and presents a transmittance variation with 36% in the visible range. The porous cobalt oxide thin film also shows good reaction kinetics with fast switching speed, and the coloration and bleaching time are 2.5 and 2 s, respectively. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：1815 / 1818

页数：4

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