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Tuning Electrical Conductivity of Inorganic Minerals with Carbon Nanomaterials
Anton A Kovalchuk1, James M Tour1
1Department of Chemistry, ‡Department of Materials Science and NanoEngineering, §Smalley Institute for Nanoscale Science and Technology, Rice University , 6100 Main Street, Houston, Texas 77005, United States.
Abstract:
Conductive powders based on Barite or calcium carbonate with chemically converted graphene (CCG) were successfully synthesized by adsorption of graphene oxide (GO) or graphene oxide nanoribbons (GONRs) onto the mineral surfaces and subsequent chemical reduction with hydrazine. The efficient adsorption of GO or GONRs on the surface of Barite and calcium carbonate-based mineral particles results in graphene-wrapped hybrid materials that demonstrate a concentration dependent electrical conductivity that increases with the GO or GONR loading.
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