Controllable melting and flow of β-Sn in flexible amorphous carbon nanotubes

被引：16
|
作者：
Tao, Xinyong [1 ]
Dong, Lixin [2 ]
Zhang, Wenkui [1 ]
Zhang, Xiaobin [3 ]
Chen, Jipeng [3 ]
Huang, Hui [1 ]
Gan, Yongping [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Chem Engn & Mat Sci, Hangzhou 310014, Zhejiang, Peoples R China
[2] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA
[3] Zhejiang Univ, Dept Mat Sci, Hangzhou 310027, Peoples R China
来源：
CARBON | 2009年 / 47卷 / 13期
基金：
中国国家自然科学基金;
关键词：
TRANSMISSION-ELECTRON-MICROSCOPY; NANOWIRES; IRRADIATION; PARTICLES; BEHAVIOR; SILICON; INDIUM;
D O I：
10.1016/j.carbon.2009.07.032
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 high-yield of carbon nanotubes filled with beta-Sn nanowires has been produced by the thermal pyrolysis of acetylene over SnO2 catalysts. Electron beam irradiation (EBI) induced melting and flow of Sn in the nanotubes and this could be controlled by changing the electron beam current density. The mass flow rate of the Sn ranged from 0.9 to 8.2 fg/s. The melting of the nanowires is a result of the temperature rise caused by the EBI. Many factors, including temperature variation, charging, and EBI induced deformation of the carbon shells, contribute to the flow of Sn. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3122 / 3127
页数：6
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