IMPEDANCE SPECTROSCOPY ANALYSIS OF WO3 THIN-FILM ELECTRODES DURING ELECTROCHROMIC COLORING-BLEACHING CYCLING

被引：3
|
作者：
BOHNKE, C
REZRAZI, M
机构：
[1] Laboratoire d'Electrochimie des Solides (Unité associée au CNRS 436), Unité de Formation et de Recherche des Sciences et des Techniques
来源：
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1991年 / 10卷 / 04期
关键词：
D O I：
10.1016/0921-5107(91)90107-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper deals with the variations in the electrical components (resistances, capacitances and constant phase element) of an electrochromic electrode during colouring-bleaching cycling. The complex impedance method is used to determine these parameters. Two types of electrochromic material are investigated: tungsten trioxide thin films obtained by anodic oxidation of tungsten sheet or by thermal vacuum evaporation of WO3 onto an SnO2:F electrode. An electrical model can be associated with the electrochromic electrode. The behaviours of these electrodes during cycling are compared and explained in terms of interface modification.
引用
收藏
页码：313 / 320
页数：8
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