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Effect of Gas Adsorption on the Electrical Properties of Single-Walled Carbon Nanotubes Mats

Published online by Cambridge University Press:  10 February 2011

C. Marliere ,
P. Poncharal ,
L. Vaccarini  and
A. Zahab
C. Marliere
Affiliation:
Laboratoire des Verres, Univ. Montpellier 2, CC 69, 34095 Montpellier, France, [email protected]
P. Poncharal
Affiliation:
Groupe de Dynamique des Phases Condensées, CC 26, 34095 Montpellier, France
L. Vaccarini
Affiliation:
Groupe de Dynamique des Phases Condensées, CC 26, 34095 Montpellier, France
A. Zahab
Affiliation:
Groupe de Dynamique des Phases Condensées, CC 26, 34095 Montpellier, France
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Abstract

Single wall nanotubes have been made by arc-discharge method. Residual impurities (fullerenes, amorphous carbon, catalyst metals…) have been removed by tangential filtration process followed by high temperature annealing under vacuum (1200 °C). In this work we present results on the influence of the surrounding gas nature (N2, H2, CO2, H2O…) on the electrical resistivity of carefully outgassed mat of such samples.

In particular, we have observed that the sample resistance exhibits a strong dependence on water contamination during the transfer to the measurement reactor.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 593: Symposium U – Amorphous & Nanostructured Carbon , 1999 , 173
Copyright
Copyright © Materials Research Society 2000

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References

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