Preparation and Hydrogen-Sensitive Mechanism of Platinum-Doped Tungsten Trioxide Films

被引：0

作者：

Li, Zelun ^{[1
,2
]}

Zhou, Chuande ^{[2
]}

Tang, Yike ^{[1
]}

Deng, Xianling ^{[2
]}

机构：

[1] Chongqing Univ, Coll Mech Engn, Chongqing 400044, Peoples R China

[2] Chongqing Univ Sci & Technol, Coll Mech & Dynam Engn, Chongqing 401331, Peoples R China

来源：

ASIAN JOURNAL OF CHEMISTRY | 2014年 / 26卷 / 17期

基金：

美国国家科学基金会;

关键词：

Tungsten trioxide; Nano-film; Optical properties; Hydrogen sensitive; OPTICAL-FIBER SENSOR; SENSING CHARACTERISTICS; LEAK;

D O I：

10.14233/ajchem.2014.18128

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A tungsten trioxide (WO3) nano-film was prepared by a sol-gel method using tungsten powder and hydrogen peroxide as the starting materials. Then, platinum was doped onto the WO3 film surface by a magnetron sputtering method. A tunnel-atomic power microscope was used to characterize the WO3. We theoretically analyzed the WO3 film's hydrogen-sensitive mechanism as well as conducted research into the film's optical properties. The results indicate that the WO3 nano-film mixed with Pt possesses a good hydrogen sensitivity and restorative quality.

引用

页码：5439 / 5441

页数：3

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