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Colloidal Solution of Metal Nanoparticles as a Catalyst for Carbon Nanotube Growth

Published online by Cambridge University Press:  15 March 2011

Hiroki Ago ,
Satoshi Ohshima ,
Toshiki Komatsu ,
Yasunori Kuriki  and
Motoo Yumura
Hiroki Ago
Affiliation:
National Institute of Materials and Chemical Research (NIMC), Tsukuba 305-8565, Japan
Satoshi Ohshima
Affiliation:
National Institute of Materials and Chemical Research (NIMC), Tsukuba 305-8565, Japan
Toshiki Komatsu
Affiliation:
Fine Ceramics Center (JFCC), 2-4-3 Nishi-Shinbashi, Tokyo, 105-0003, Japan
Yasunori Kuriki
Affiliation:
National Institute of Materials and Chemical Research (NIMC), Tsukuba 305-8565, Japan
Motoo Yumura
Affiliation:
National Institute of Materials and Chemical Research (NIMC), Tsukuba 305-8565, Japan
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Abstract

Aligned multi-wall carbon nanotubes (MWNTs) were successfully grown on a Si substrate based on a thermal chemical vapor deposition (CVD) method. We employed Co metal nanoparticles as the catalyst for nanotube growth, which were prepared by a reverse micelle method. The reverse micelle method provides nanoparticles covered with surfactants so that they are dispersed in organic solvent and, thus highly processible. The present MWNT arrays are promising for application in field emission displays, because of much lower nanotube density compared with the previously reported arrays.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 633: Symposium A – Nanotubes and Related Materials , 2000 , A13.18
Copyright
Copyright © Materials Research Society 2001

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