Polymeric electrolytes for WO3-based all solid-state electrochromic displays

被引:25
|
作者
Vasilopoulou, Maria [1 ]
Raptis, Ioannis [1 ]
Argitis, Panagiotis [1 ]
Aspiotis, Ioannis [1 ]
Davazoglou, Dimitris [1 ]
机构
[1] NCSR Demokritos, Inst Microelect, Aghia Paraskevi 15310, Greece
关键词
electrochromic displays; protonic polymeric or gel-like electrolytes;
D O I
10.1016/j.mee.2006.01.046
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
All solid-state electrochromic displays were fabricated by chemically vapor depositing and patterning a tungsten oxide films on SnO2:F covered glass substrates and using solid or gel-like organic electrolytes. These ionically conductive and electronically insulating electrolytes were based on poly(methyl methacrylate) (PMMA) and poly(2-hydroxyethyl methacrylate) (PHEMA) into which phospho-dodecatungstic acid (H3PW12O40) was added at various concentrations. It was found that the degree of coloration does not depend on acid concentration. Also, displays using electrolytes with low PMMA content are very hard to bleach. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:1414 / 1417
页数:4
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