Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 19, Pages 16472-16475Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am5044592
Keywords
multilayer graphene; electrical conductivity; polymer; composites; dispersion
Funding
- Rhode Island Science and Technology Advisory Council
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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.
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