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
收藏
页码：1815 / 1818
页数：4
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