High-yield production of single-wall carbon nanotubes in nitrogen gas

被引：56

作者：

Nishide, D

Kataura, H

Suzuki, S

Tsukagoshi, K

Aoyagi, Y

Achiba, Y

机构：

[1] Tokyo Metropolitan Univ, Grad Sch Sci, Dept Chem, Hachioji, Tokyo 1920397, Japan

[2] Tokyo Metropolitan Univ, Grad Sch Sci, Dept Phys, Hachioji, Tokyo 1920397, Japan

[3] RIKEN, Wako, Saitama 3510198, Japan

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 372卷 / 1-2期

基金：

日本学术振兴会;

关键词：

D O I：

10.1016/S0009-2614(03)00352-X

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：

To see roles of an ambient gas on the formation process of single-wall carbon nanotubes (SVVNTs), we have prepared SWNTs by laser ablation with Ne, Ar, Kr and N-2 gases and estimated the abundances of SWNTs mainly by Raman spectroscopy. The abundance of SWNTs was found to depend systematically on the pressure and the molecular mass of the ambient gas, and the highest abundance was obtained in N-2 at 1000 Torr. Only N-2 produced thinner SWNTs than any other gases, which suggests that the size of nanotube precursors is sensitively affected by the internal freedom of ambient gas. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：45 / 50

页数：6

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