Gas-dynamic consideration of the laser evaporation synthesis of single-wall carbon nanotubes

被引：0
|
作者：
A.A. Gorbunov
R. Friedlein
O. Jost
M.S. Golden
J. Fink
W. Pompe
机构：
[1] Institut für Werkstoffwissenschaft der TU Dresden,
[2] 01062 Dresden,undefined
[3] Germany (Fax: +49-351/463-1422,undefined
[4] E-mail: gorbunov@tmfs.mpgfk.tu-dresden.de),undefined
[5] Institut für Festkörper- und Werkstofforschung Dresden,undefined
[6] D-01177 Dresden,undefined
[7] Germany,undefined
来源：
Applied Physics A | 1999年 / 69卷
关键词：
PACS: 81.05.Tp; 81.10.Jt;
D O I：
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学科分类号：
摘要：
The abundance of carbon single-wall nanotubes (SWNTs) in soot synthesized by pulsed laser evaporation of graphite is studied over a wide range of synthesis conditions. The derived SWNT growth time-scale appears to be much longer than any characteristic time-scale in a simplified model of the relaxation of a high-pressure hot condensing gas bubble in a background atmosphere. It is concluded that SWNT nucleation and growth take place in relaxed, condensed, thermalized evaporation products at an optimal temperature between 850–1250 °C at a rate of few μm length per second, which is consistent with a condensed state “precipitation” mechanism for the SWNT formation.
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页码：S593 / S596
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