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Gel-carbon nanotube materials: the relationship between nanotube network connectivity and conductivity
Naratip Songmee1, Pisith Singjai, Marc in het Panhuis
1School of Chemistry, University of Wollongong, Wollongong, Australia.
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.
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