Electrochromism in nickel oxide and tungsten oxide thin films: Ion intercalation from different electrolytes

被引：81
|
作者：
Green, S. [1 ]
Backholm, J. [1 ]
Georen, P. [2 ]
Granqvist, C. G. [1 ]
Niklasson, G. A. [1 ]
机构：
[1] Uppsala Univ, Angstrom Lab, Dept Engn Sci, SE-75121 Uppsala, Sweden
[2] ChromoGen Sweden AB, SE-75323 Uppsala, Sweden
来源：
SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2009年 / 93卷 / 12期
基金：
瑞典研究理事会;
关键词：
Electrochromism; Nickel oxide; Tungsten oxide; Cyclic voltammetry; Spectrophotometry; OPTICAL-ABSORPTION; DEVICES; SOLAR;
D O I：
10.1016/j.solmat.2009.05.009
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Electrochromic (EC) NiOz and WOy thin films were prepared by sputtering and were used in a feasibility study aimed at investigating mixtures of these two oxides. The object was to identify a suitable electrolyte, compatible with both NiOz and WOy. To that end we carried out cyclic voltammetry (CV) in potassium hydroxide (KOH), propionic acid, and lithium perchlorate in propylene carbonate (Li-PC). WOy could be coloured in propionic acid and Li-PC, while NiOz could be coloured only in KOH. Both films showed best stability in Li-PC, which hence is well suited for further studies of mixed NiOz and WOy. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：2050 / 2055
页数：6
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