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Updated: Jul 5, 2026

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Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions
Published on: July 17, 2019
Synthesis of water soluble graphene
Yongchao Si1, Edward T Samulski
1Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Nano Letters
|May 24, 2008
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.

