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Multiwall Carbon Nanotubes by Hydrothermal Treatment

Published online by Cambridge University Press:  15 March 2011

Jose M. Calderon-Moreno  and
Masahiro Yoshimura
Jose M. Calderon-Moreno
Affiliation:
Center of Materials Design, Tokyo Institute of Technology Nagatsuta 4259, Midori-ku, 226-8503 Yokohama, Japan
Masahiro Yoshimura
Affiliation:
Center of Materials Design, Tokyo Institute of Technology Nagatsuta 4259, Midori-ku, 226-8503 Yokohama, Japan
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Abstract

Multiwall carbon nanotubes have been obtained from carbon soot after hydrothermal treatment at 800°C and 100 MPa. High-resolution electron microscopy (HRTEM) study reveals multiwall carbon nanotubes and carbon nanoparticles made of a hollow core enclosed in well-ordered concentric graphitic layers after hydrothermal treatment. Condensed solid products are free of the amorphous phase. Micro-Raman spectroscopy reveals that the hydrothermal multiwall nanotubes have a characteristic perfectly closed graphitic lattice in the basal plane, without edges or plane terminations.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 633: Symposium A – Nanotubes and Related Materials , 2000 , A13.32
Copyright
Copyright © Materials Research Society 2001

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