Controllable fabrication of SnO2-coated nanotubes by chemical vapor multiwalled carbon deposition

被引：59
|
作者：
Kuang, Q
Li, SF
Xie, ZX [1 ]
Lin, SC
Zhang, XH
Xie, SY
Huang, RB
Zheng, LS
机构：
[1] Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China
[2] Xiamen Univ, Dept Chem, Xiamen 361005, Peoples R China
来源：
CARBON | 2006年 / 44卷 / 07期
基金：
中国国家自然科学基金;
关键词：
carbon nanotubes; chemical vapor deposition; coating; electron microscopy; particle size;
D O I：
10.1016/j.carbon.2005.11.001
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：
A simple and efficient approach for coating multiwalled carbon nanotubes (MWCNTs) with size-controllable SnO2 nanoparticles by chemical vapor deposition has been developed using tin hydride (SnH4) gas as the source of SnO2 at 550 degrees C. The size and coverage of SnO2 nanoparticles can be adjusted by simply controlling the deposition time and the flow rate of the SnH4/N-2 mixture gas during the CVD procedure. In addition, by using the MWCNTs as a sacrificial template, a kind of one-dimensional chain-like SnO2 nanostructure has been synthesized by increasing the deposition temperature to 730 degrees C. This technique may provide a good way to produce tunable SnO2-MWCNT composites. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1166 / 1172
页数：7
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