A New Member of the Graphene Family: Graphene Acid
A new member of the family of graphene derivatives, namely, graphene acid with a composition close to C-1(COOH)(1), was prepared by oxidation of graphene oxide. The synthetic procedure is based on repeated oxidation of graphite with potassium permanganate in an acidic environment. The oxidation process was studied in detail after each step. The multiple oxidations …
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