Issue 9, 2010

Gel–carbon nanotube materials: the relationship between nanotube network connectivity and conductivity

Abstract

The electrical resistance of carbon nanotube networks (NNs) prepared from combinations of gellan gum, xanthan gum, Triton X-100, SWNT and MWNT is reported. It is demonstrated that the NN conductivity can be obtained by analysing the resistance of two overlapping NN as a function of their overlap distance. Unexpectedly, the connectivity between two overlapping NN was found to scale with the electrical conductivity over 4 orders of magnitude. Insights into the dependence of inter-NN contact on applied pressure were obtained.

Graphical abstract: Gel–carbon nanotube materials: the relationship between nanotube network connectivity and conductivity

Article information

Article type
Paper
Submitted
16 Apr 2010
Accepted
04 Jun 2010
First published
03 Jul 2010

Nanoscale, 2010,2, 1740-1745

Gel–carbon nanotube materials: the relationship between nanotube network connectivity and conductivity

N. Songmee, P. Singjai and M. in het Panhuis, Nanoscale, 2010, 2, 1740 DOI: 10.1039/C0NR00259C

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