Modification of carbon nanotubes by laser ablation of copper

被引：15
作者：
Koshio, A
Shiraishi, M
Kobayashi, Y
Ishihara, M
Koga, Y
Bandow, S
Iijima, S
Kokai, F
机构：
[1] Mie Univ, Dept Chem Mat, Tsu, Mie 5148507, Japan
[2] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan
[3] Meijo Univ, Cent COE 21, Dept Mat Sci & Engn, Nagoya, Aichi 4688602, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2004年 / 396卷 / 4-6期
基金：
日本学术振兴会;
关键词：
D O I：
10.1016/j.cplett.2004.08.072
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：
Multi-wall carbon nanotubes (MWNTs) were modified by laser ablation of Cu in the presence of He gas. Quasi-spherical particles with diameters of 200 nm to 2 mum were sparsely deposited on as-grown MWNTs. Agglomerated nanoparticles with sizes of 110 nm covered ultrasonically treated MWNTs. Both particles were oxidized. The interaction of nanoparticles with the surface of the ultrasonicated MWNTs, due to small charge transfer to carbon atoms of the MWNTs upon adsorption of Cu, was suggested. We discuss the size distribution and morphology of the particles from cluster and particle formation in the gas phase and the surface properties of the two MWNTs. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：410 / 414
页数：5
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