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The exfoliation for few layers of graphene was prospective for scale output due to low cost and processable advantages. However, the massive production had some obstacles such as high pollution with organics and harmful elements and use of rare metal. Herein, we developed a facile and eco‐friendly expansion‐reduction exfoliation method to prepare graphene from graphene oxide (GO) with aid of oxalic...
A novel approach to prepare graphene nanosheets was developed by exfoliating graphene oxide (GO) assisted with oxalic acid (H2C2O4). The expansion and reduction of GO were synchronously fulfilled through the decomposition of H2C2O4 impregnated into the interlayer of GO. The structure of the as-exfoliated graphene nanosheets were determined by a series of characterizations. The results showed that...
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