Synthesis of Water Soluble Graphene
University of North Carolina at Chapel Hill
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Abstract
A facile and scalable preparation of aqueous solutions of isolated, sparingly sulfonated graphene is reported. (13)C NMR and FTIR spectra indicate that the bulk of the oxygen-containing functional groups was removed from graphene oxide. The electrical conductivity of thin evaporated films of graphene (1250 S/m) relative to similarly prepared graphite (6120 S/m) implies that an extended conjugated sp (2) network is restored in the water soluble graphene.
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2Topics & keywords
Topics
Keywords
- Graphene
- Oxide
- Aqueous solution
- Graphene oxide paper
- Graphite
- Graphite oxide
- Materials science
- Chemical engineering
UN Sustainable Development Goals
- Clean water and sanitation
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