Electrochemical and optical properties of WO3 prepared by sol-gel coating

被引：3
作者：
Kim, Chang-Yeoul [1 ]
Cho, Seong-Geun [1 ,2 ]
Park, Seok [1 ,2 ]
Lim, Tae-Yeoung [1 ]
Choi, Duck-Kyun [2 ]
机构：
[1] Korea Inst Ceram Engn & Technol, Seoul 153801, South Korea
[2] Hanyang Univ, Seoul 133791, South Korea
来源：
ECO-MATERIALS PROCESSING AND DESIGN VIII | 2007年 / 544-545卷
关键词：
electrochromic; sol-gel; electrochemical; optical; current density;
D O I：
10.4028/www.scientific.net/MSF.544-545.1081
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Electrochromic WO3 thin film was prepared by using tungsten metal solution in hydrogen peroxide as a starting solution and by a sol-gel dip coating method. The thermal analysis was conducted by DSC/TG method. A DSC/TG analysis and the XRD patterns showed that a tungsten oxide crystal phase was formed at 400T. WO3 thin film when heat-treated at 300 degrees C was amorphous and had a better electrochemical property than that of the crystalline phase. Crystallization of tungsten oxide decreased active sites of ion intercalation so that the current density decreased with heat-treatment temperature.
引用
收藏
页码：1081 / +
页数：2
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