Mystery of porous SnO2 thin film formation by pulsed delivery

被引：14
|
作者：
Chen, ZW [1 ]
Lai, JKL [1 ]
Shek, CH [1 ]
机构：
[1] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon Ton, Hong Kong, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2006年 / 422卷 / 1-3期
关键词：
D O I：
10.1016/j.cplett.2006.02.036
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report a new kind of experimental realization of a porous SnO2 thin film, which is based on a pulsed delivery process at room temperature. Microstructural analysis shows that the as-prepared thin film consists of a continuous network of interconnected crystalline SnO2 nanoparticles (rutile structure). As a result, this porous SnO2 thin film possesses a high surface area and continuous porosity, which is especially desirable for gas sensor design. The optical measurement shows that the porous SnO2 thin film presents the surface characteristics that generate a red emission band that may be exploited in gas sensors or other optoelectronic devices. (c) 2006 Elsevier B.V. All rights reserved.
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页码：1 / 5
页数：5
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