TITLE

A three-dimensional model of electrical percolation thresholds in carbon nanotube-based composites

AUTHOR(S)
Weibang Lu; Tsu-Wei Chou; Thostenson, Erik T.
PUB. DATE
May 2010
SOURCE
Applied Physics Letters;5/31/2010, Vol. 96 Issue 22, p223106
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A three-dimensional modeling approach is developed to simulate the electrical percolation thresholds in carbon nanotube-based composites, wherein the effects of intertube Van der Waals interactions and electrical tunneling are taken into consideration. Numerical studies using the Monte Carlo method show that these two factors play significant roles when the aspect ratio of the constituent carbon nanotubes is low. For high aspect ratios, the effects of these two factors are negligible. The influence of carbon nanotube waviness on electrical percolation thresholds has also been studied.
ACCESSION #
51227043

 

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