A novel approach to bulk synthesis of carbon nanotubes filled with metal by a catalytic chemical vapor deposition method

被引：63
|
作者：
Sinha, AK
Hwang, DW
Hwang, LP
机构：
[1] Natl Taiwan Univ, Dept Chem, Taipei 10764, Taiwan
[2] Acad Sinica, Inst Atom & Mol Sci, Taipei 10764, Taiwan
来源：
CHEMICAL PHYSICS LETTERS | 2000年 / 332卷 / 5-6期
关键词：
D O I：
10.1016/S0009-2614(00)01315-4
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：
A novel microporous aluminophosphate (AlPO-5) support is reported for the first time as an alternative to the Na-Y zeolite support for large-scale production of carbon nanotubes using a cobalt metal catalyst which makes the separation and purification process of nanotubes easier. The use of an aluminophosphate support results in filling of the nanotubes with metal particles and metal nanowires while zeolite (Na-Y) support yields metal free nanotubes. This difference has been attributed to the difference in the mechanism of nanotube growth from electroneutral aluminophosphate and highly charged zeolite supports due to difference in the metal-support interaction in two cases. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：455 / 460
页数：6
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