Fabrication of carbon nanotubes by electrical breakdown of carbon-coated Au nanowires

被引：7
|
作者：
Briston, K. J. [1 ]
Peng, Y. [1 ]
Cullis, A. G. [2 ]
Inkson, B. J. [1 ]
机构：
[1] Univ Sheffield, Dept Mat Engn, NanoLAB Ctr, Sheffield S1 3JD, S Yorkshire, England
[2] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
来源：
MATERIALS LETTERS | 2010年 / 64卷 / 14期
基金：
英国工程与自然科学研究理事会;
关键词：
Gold nanowire; Carbon nanotube; Electrically-induced graphitization; In-situ TEM; Electrical measurements;
D O I：
10.1016/j.matlet.2010.04.035
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A carbon nanotube has been generated by the electrically-induced breakdown of a carbon-coated Au nanowire. Under high current density the Au in the nanowire migrates towards both the anode and cathode resulting in a free-standing carbon nanotube and a 73% reduction in resistance. The resistivity of the carbon nanotube was <8 x 10(-5) Omega m and it could cope with a current density >1.8 x 10(11) A/m(2), indicating a structural change from amorphous to graphitic carbon. The dimensions of carbon nanotubes produced in this way have an internal diameter controlled by the parent metal nanowire template. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1583 / 1586
页数：4
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