New templated method to synthesize electrochromic mesoporous tungsten oxides

被引：30

作者：

Yuan, Jiaguo ^{[1
]}

Zhang, Yuzhi ^{[1
]}

Le, Jun ^{[1
]}

Song, Lixin ^{[1
]}

Hu, Xingfang ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China

来源：

MATERIALS LETTERS | 2007年 / 61卷 / 4-5期

基金：

中国国家自然科学基金;

关键词：

synthesis; mesoporous tungsten oxides; nonionic gemini surfactant; electrochromic;

D O I：

10.1016/j.matlet.2006.04.121

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Mesoporous tungsten oxides were synthesized with a new nonionic gemini surfactant template, which was then removed by calcination. The effect of calcination on the as-synthesized product was studied with TG-DSC and Fourier-transform infrared spectroscopy. The results of X-ray diffractions, high-resolution transmission electron microscopy, and nitrogen sorption analyses show that the mesoporous tungsten oxide calcined at 300 degrees C preserved accessible vermicular mesoporosity with specific surface area of 145.5 m(2)/g. Enhanced electrochromic response was found for the mesostructured sample from the simultaneous voltammettic and spectrophotometric studies. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1114 / 1117

页数：4

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