Synthesis of carbon nanotubes by detonation of 2,4,6-triazido-1,3,5-triazine in the presence of transition metals

被引:20
|
作者
Utschig, T
Schwarz, M
Miehe, G
Kroke, E
机构
[1] Univ Konstanz, Dept Chem, D-78464 Constance, Germany
[2] Tech Univ Darmstadt, Inst Mat Sci, D-64287 Darmstadt, Germany
关键词
carbon nanotubes; high pressure; catalyst; transmission electron microscopy; microstructure;
D O I
10.1016/j.carbon.2004.01.061
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
The formation of carbon nanotubes via explosive decomposition of an energetic precursor, 2,4,6-triazido-s-triazine C3N12, was investigated with respect to the presence of the transition metals Fe, Ni, Cu, Ti and the degree of confinement of the explosive charge. The carbonaceous detonation products were characterized by transmission and scanning electron microscopy, energy dispersive X-ray analysis and infrared absorption spectroscopy. Multi-walled carbon nanotubes with diameters from 50 to 150 nm and a variety of morphologies were found. Metal particles in the tubes and at some of the tube ends indicate a catalytic growth mechanism. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:823 / 828
页数:6
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