Electrical transport properties of percolating random networks of carbon nanotube bundles

Carbon nanotubes form bundles due to the van der Waals interaction. The properties of networks made from such bundles are dependent on the bundle properties (average number of parallel tubes inside a bundle D and the bundle length compared to the nanotube length lCNT), and not only on the usual para...

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Bibliographic Details
Published in:Europhysics letters 2010-08, Vol.91 (4), p.47002
Main Authors: Seppälä, S, Häkkinen, E, Alava, M. J, Ermolov, V, Seppälä, E. T
Format: Article
Language:English
Subjects:
05.10.Ln
73.63.Fg
85.35.Kt
Bundles
Carbon nanotubes
Density
Nanocomposites
Nanomaterials
Nanostructure
Networks
Tubes
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Summary:Carbon nanotubes form bundles due to the van der Waals interaction. The properties of networks made from such bundles are dependent on the bundle properties (average number of parallel tubes inside a bundle D and the bundle length compared to the nanotube length lCNT), and not only on the usual parameters that define carbon nanotube networks, such as density and length of single nanotubes. Here we propose a model for random networks from carbon nanotube bundles and compare their properties with those of ordinary carbon nanotube networks.
ISSN:0295-5075
1286-4854
DOI:10.1209/0295-5075/91/47002