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Growth Mechanism of Single-Walled Carbon Nanotubes from Pt Catalysts by Alcohol Catalytic CVD

Published online by Cambridge University Press:  06 February 2015

Takahiro Maruyama ,
Hiroki Kondo ,
Akinari Kozawa ,
Takahiro Saida ,
Shigeya Naritsuka  and
Sumio Iijima
Takahiro Maruyama
Affiliation:
Department of Applied Chemistry, Meijo University, Nagoya 468-8502, Japan
Hiroki Kondo
Affiliation:
Department of Materials Science and Engineering, Meijo University, Nagoya 468-8502, Japan
Akinari Kozawa
Affiliation:
Department of Materials Science and Engineering, Meijo University, Nagoya 468-8502, Japan
Takahiro Saida
Affiliation:
Department of Applied Chemistry, Meijo University, Nagoya 468-8502, Japan
Shigeya Naritsuka
Affiliation:
Department of Materials Science and Engineering, Meijo University, Nagoya 468-8502, Japan
Sumio Iijima
Affiliation:
Faculty of Science and Technology, Meijo University, Nagoya 468-8502, Japan Nanotube Research Center, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565
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Abstract

Single-walled carbon nanotube (SWCNT) growth from Pt catalysts by an alcohol gas source method, a type of cold-wall chemical vapor deposition (CVD), was investigated. Raman results showed that the diameters of SWCNTs grown from Pt were below 1.2 nm, while transmission electron microscopy (TEM) showed that the diameters of most Pt catalyst particles were above 1.2 nm. This suggests that SWCNT diameters were smaller than Pt catalysts particles. X-ray photoelectron spectroscopy measurements showed that reduction of Pt particles occurred during the SWCNT growth. Based on these experimental data, growth mechanism of SWCNTs was discussed.

Keywords

Cchemical vapor deposition (CVD) (chemical reaction)catalytic
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1752: Symposium MM – Carbon Nanotubes—Synthesis, Properties, Functionalization, and Applications , 2014 , pp. 27 - 30
Copyright
Copyright © Materials Research Society 2015 

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References

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