Facile synthesis of tin oxide nanofibres

被引:2
|
作者
Ahn, Jung-Ho [1 ]
Wang, Guoxiu [2 ]
Kim, Yong-Jin [3 ]
机构
[1] Andong Natl Univ, Dept Mat Engn, Andong, Gyungbuk, South Korea
[2] Univ Wollongong, Sch Mech Mat & Mecatron Engn, Wollongong, NSW 2500, Australia
[3] Korea Inst Machinery & Mat, Chang Won, Gyungnam, South Korea
关键词
Tin oxide; Nanofibres; Nanopowders; SNO2; NANOWIRES; SOLUTION-PHASE; GROWTH;
D O I
10.1016/j.cap.2008.12.055
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper, we present a facile method to synthesize SnO2 nanofibres. Unlike the conventional CVD process for synthesizing nanofibres, the present synthesis method needs neither specific source gas nor substrates. Sn-Ag alloys or powder mixtures were heat-treated at temperatures above their melting point in a vertical or horizontal alumina tube furnace. During the heat treatment, a small amount of oxygen in an atmospheric gas reacted with tin in the alloys to form SnO2 nanofibres. Silver in the tin alloys acts as a catalytic material to facilitate the formation of nanofibres. An excess amount of oxygen in the gas resulted in the formation of SnO2 nanoparticles instead of nanofibres. The synthesized nanofibres have straight form with high purity. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:E176 / E179
页数:4
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