Abstract
We present a totally green approach towards the synthesis and stabilization of aqueousgraphene dispersions through UV-irradiated reduction of exfoliated graphene oxide (GO).Polyvinyl pyrrolidone (PVP) is used to enhance the dispersibility of reduced grapheneoxide (RGO) by one-step functionalization. The proposed method is low cost and easywithout using any photocatalysts or reducing agents, which can open up a newpossibility for green preparation of stable RGO dispersions in large-scale production.
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