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A METHOD FOR SYNTHESIS OF SILICA COATED GRAPHENE FUNCTIONAL HYBRID MATERIAL
A METHOD FOR SYNTHESIS OF SILICA COATED GRAPHENE FUNCTIONAL HYBRID MATERIAL
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机译:二氧化硅包覆的石墨烯功能杂化材料的合成方法
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摘要
A process for synthesis of silica coated graphene hybrid material comprising the steps of treating graphene oxide with ammonium ions to provide ammonium- activated graphene oxide; treating the ammonium-activated graphene oxide with a solution comprising silica precursors; and silane coupling agents that comprise functional groups, to provide self-assembly of silica nanoparticles on the surface of the ammonium-activated graphene oxide and covalent bonding between the nanoparticles and the surface to provide silica coated graphene oxide; and grafting of the functional groups on the surface of the silica coated graphene oxide to provide functionalized silica coated graphene oxide; and reducing the functionalized silica coated graphene oxide to provide functionalized silica coated graphene. Silica coated graphene hybrid material obtainable by this process.
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