Massive Electrical Conductivity Enhancement of Multilayer Graphene/Polystyrene Composites Using a Nonconductive Filler

We report a massive increase in the electrical conductivity of a multilayer graphene (MLG)/polystyrene composite following the addition of nonconducting silica nanoparticles. The nonconducting filler acts as a highly effective dispersion aid, preventing the sheetlike MLG from restacking or agglomera...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2014-10, Vol.6 (19), p.16472-16475
Main Authors: Chakraborty, Indrani, Bodurtha, Kevin J, Heeder, Nicholas J, Godfrin, Michael P, Tripathi, Anubhav, Hurt, Robert H, Shukla, Arun, Bose, Arijit
Format: Article
Language:English
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Summary:We report a massive increase in the electrical conductivity of a multilayer graphene (MLG)/polystyrene composite following the addition of nonconducting silica nanoparticles. The nonconducting filler acts as a highly effective dispersion aid, preventing the sheetlike MLG from restacking or agglomerating during the solvent casting process used to fabricate the composite. The enhanced dispersion of the MLG leads to orders of magnitude enhancement in electrical conductivity compared to samples without this filler.
ISSN:1944-8244
1944-8252
DOI:10.1021/am5044592