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Electrically conductive composites via infiltration of single-walled carbon nanotube-based aerogels

Published online by Cambridge University Press:  01 February 2011

Marcus A Worsley ,
Joshua D. Kuntz ,
Sergei Kucheyev ,
Alex V Hamza ,
Joe H Satcher  and
Theodore F Baumann
Marcus A Worsley
Affiliation:
[email protected], Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, 7000 East Ave, Livermore, California, 94550, United States
Joshua D. Kuntz
Affiliation:
[email protected], Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
Sergei Kucheyev
Affiliation:
[email protected], United States
Alex V Hamza
Affiliation:
[email protected], Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
Joe H Satcher
Affiliation:
[email protected], Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
Theodore F Baumann
Affiliation:
[email protected], Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
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Abstract

Many challenges remain in the effort to realize the exceptional properties of carbon nanotubes (CNT) in composite materials. Here, we report on electrically conductive composites fabricated via infiltration of CNT-based aerogels. The ultra low-density, high conductivity, and extraordinary robustness of the CNT aerogels make them ideal scaffolds around which to create conductive composites. Infiltrating the aerogels with various insulating materials (e.g. epoxy and silica) resulted in composites with electrical conductivities over 1 Scm-1 with as little as 1 vol% nanotube content. The electrical conductivity observed in the composites was remarkably close to that of the CNT scaffold in all cases.

Keywords

aerogelcompositeelectrical properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1258: Symposia P/Q/R – Low-Dimensional Functional Nanostructures-Fabrication, Characterization and Applications , 2010 , 1258-R05-31
Copyright
Copyright © Materials Research Society 2010

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