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  • Title: Facile synthesis of graphene nanosheets via Fe reduction of exfoliated graphite oxide.
    Author: Fan ZJ, Kai W, Yan J, Wei T, Zhi LJ, Feng J, Ren YM, Song LP, Wei F.
    Journal: ACS Nano; 2011 Jan 25; 5(1):191-8. PubMed ID: 21230006.
    Abstract:
    The synthesis of graphene nanosheets from graphite oxide typically involves harmful chemical reductants that are undesirable for most practical applications of graphene. Here, we demonstrate a green and facile approach to the synthesis of graphene nanosheets based on Fe reduction of exfoliated graphite oxide, resulting in a substantial removal of oxygen functionalities of the graphite oxide. More interestingly, the resulting graphene nanosheets with residual Fe show a high adsorption capacity of 111.62 mg/g for methylene blue at room temperature, as well as easy magnetic separation from the solution. This approach offers a potential for cost-effective, environmentally friendly, and large-scale production of graphene nanosheets.
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