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Carbon nanostructures in silica aerogel composites

Published online by Cambridge University Press:  03 March 2011

Xiang-Yun Song ,
Wanqing Cao ,
Michael R. Ayers  and
Arlon J. Hunt
Xiang-Yun Song*
Affiliation:
Energy and Environment Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
Wanqing Cao
Affiliation:
Energy and Environment Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
Michael R. Ayers
Affiliation:
Energy and Environment Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
Arlon J. Hunt
Affiliation:
Energy and Environment Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
*
a)Permanent address: National Laboratory for Fine Ceramics and Structure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.
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Abstract

A new method of preparing carbon nanotubes and their derivatives using silica aerogels as a matrix for the deposition of carbon is repeated. We present results of observations of graphite tubes and rings including nested structures in nanometer dimensions using high resolution transmission electron microscopy. Furthermore, we propose a model for the growth of carbon nanotubes in three steps including nucleation, growth, and closure of tubes.

Type
Rapid Communication
Information
Journal of Materials Research , Volume 10 , Issue 2 , February 1995 , pp. 251 - 254
Copyright
Copyright © Materials Research Society 1995

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