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Applied Physics Letters / Volume 91 / Issue 5 / NANOSCALE SCIENCE AND DESIGN

Appl. Phys. Lett. 91, 053115 (2007); http://dx.doi.org/10.1063/1.2767215 (3 pages)

Does the wall number of carbon nanotubes matter as conductive transparent material?

Zhongrui Li1, Hom R. Kandel1, Enkeleda Dervishi1, Viney Saini1, Alexandru S. Biris1, Alexandru R. Biris2, and Dan Lupu2

1Nanotechnology Center and Department of Physics, University of Arkansas at Little Rock, Arkansas 72204
2National Institute for Research and Development of Isotopic and Molecular Technologies, P.O. Box 700, R-400293 Cluj-Napoca, Romania

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(Received 30 May 2007; accepted 9 July 2007; published online 1 August 2007)

As electrically conductive and optically transparent thin coating material, double-wall carbon nanotube network was found to have better transparency-conductance performance as compared with single-wall carbon nanotube (SWNT) and multiwall carbon nanotube (MWNT). The electronic transportability and optical properties of the SWNT films can be altered by chemical modification of thionyl chloride. Additionally, the conductance-temperature dependence analysis revealed that variable-range hopping mechanism dominates the conductance of few wall nanotube mats while fluctuation-assisted tunneling plays a more important role in that of MWNT films.

© 2007 American Institute of Physics

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KEYWORDS and PACS

Keywords

carbon nanotubes, electrical conductivity, thin films, transparency, tunnelling

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2767215

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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