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

被引：53

作者：

Gorbunov, AA ^{[1
]}

Friedlein, R

Jost, O

Golden, MS

Fink, J

Pompe, W

机构：

[1] Tech Univ Dresden, Inst Werkstoffwissensch, D-01062 Dresden, Germany

[2] Inst Festkorper & Werkstofforsch, D-01177 Dresden, Germany

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1999年 / 69卷 / Suppl 1期

关键词：

D O I：

10.1007/s003390051483

中图分类号：

T [工业技术];

学科分类号：

08 ;

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 degrees C at a rate of few mu m length per second, which is consistent with a condensed state "precipitation" mechanism for the SWNT formation.

引用

页码：S593 / S596

页数：4

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