Controlling the diameters in large-scale synthesis of single-walled carbon nanotubes by catalytic decomposition of CH4

被引：45

作者：

Li, Y

Zhang, XB ^{[1
]}

Shen, LH

Luo, JH

Tao, XY

Liu, F

Xu, GL

Wang, YW

Geise, HJ

Van Tendeloo, G

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

[2] Zhejiang Univ, Ctr Anal & Measurement, Hangzhou 310027, Peoples R China

[3] Univ Instelling Antwerp, Dept Chem, B-2610 Antwerp, Belgium

[4] Univ Antwerp, EMAT, B-2020 Antwerp, Belgium

来源：

CHEMICAL PHYSICS LETTERS | 2004年 / 398卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/j.cplett.2004.09.068

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：

High-quality single-walled carbon nanotubes (SWNTs) are synthesized in gram amount on Fe-Mo/MgO catalysts by catalytic decomposition of CH4 in H-2 or N-2. Raman data reveal that the as-prepared SATNTs have a diameter of about 0.74-1.29 nm. It is found that the diameter of the as-prepared SWNTs can be controlled mainly by adjusting the molar ratio of Fe-Mo versus the MgO support. Several other factors that potentially influence the growth of SWNTs have been studied in detail. The experimental results show that the nature of the catalyst determines the diameter of the as-prepared SWNTs. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：276 / 282

页数：7

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