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Electrodeposited non-stoichiometric tungstic acid for electrochromic applications: film growth modes, crystal structure, redox behavior and stability

机译:用于电致变色应用的电沉积非化学计量钨酸:薄膜生长模式,晶体结构,氧化还原行为和稳定性

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摘要

Bath composition for cathodic electrodeposition of non-stoichiometric hydrated tungstic acid with high electrochromic efficiency is optimized with account for selective electroreduction of certain isopolytungstates. XRD data for thin electrodeposited films and chemically synthesized bulk tungstic acid dihydrate are compared in the context of reversible oxidation and reduction in hydrogen atmosphere, in presence of Pt catalyst. XPS and TEM techniques are attracted to understand the nature of reversible and less reversible transformations of films in the course of their storage and operation. (C) 2016 Elsevier B.V. All rights reserved.
机译:考虑到某些异多钨酸盐的选择性电还原,对具有高电致变色效率的非化学计量的水合钨酸进行阴极电沉积的镀液组成进行了优化。在Pt催化剂存在下,在氢气氛中可逆氧化和还原的情况下,比较了电沉积薄膜和化学合成的块状钨酸二水合物的XRD数据。 XPS和TEM技术吸引了人们来了解胶片在存储和操作过程中可逆和不可逆转换的本质。 (C)2016 Elsevier B.V.保留所有权利。

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