Characterization of electrochromic WO3-layers prepared by sol-gel nanotechnology

被引：49

作者：

Munro, B ^{[1
]}

Krämer, S ^{[1
]}

Zapp, P ^{[1
]}

Krug, H ^{[1
]}

机构：

[1] Inst Neue Mat, D-66123 Saarbrucken, Germany

来源：

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 1998年 / 13卷 / 1-3期

关键词：

electrochromism; sol-gel; tungsten oxide; peroxotungstic acid; nanocrystalline;

D O I：

10.1023/A:1008684720378

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Stable tungsten oxide coating sols suitable for electrochromic applications were prepared by a modified peroxotungstic acid route. Layers up to 250 nm thickness could be deposited on ITO-coated and/or FTO-coated glass substrates in a single dip-coating process. Optoelectrochemical measurements were employed to determine the variation of the electrochromic properties (change in optical density (Delta OD) and switching times) of WO3-layers, investigated as a function of coating parameters, such as chamber humidity and the temperature of heat treatment. High resolution transmission electron microscopy (HR-TEM) has shown that the optimized layers possess a partially crystalline morphology with nanocrystalline regions 2-3 nm in size.

引用

页码：673 / 678

页数：6

共 11 条

[1]

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[2] A QUARTZ CRYSTAL MICROBALANCE ANALYSIS OF ION INSERTION INTO WO3 [J].