关键词: 石墨烯, 纳米复合材料, 聚合物, 微波吸收

Abstract: Graphene, a twodimensional sheet of sp2hybridized carbon, receives worldwide attention due to its exceptional charge transport, thermal, optical and mechanical propertiesSince the emergence of graphene which possesses a multitude of striking properties, a new type of microwave absorbers, graphene/polymer nanocomposites, have been synthesized via dispersing the graphene which possesses excellent microwave absorption capacity into polymersThe nanocomposites not only could absorb microwave strongly, but also have low density and good processabilityThere are only a few reports about application of graphene/polymer nanocomposites on microwave absorption, and the studies are in the beginning stage in generalIn this paper, after describing the novel configuration and properties of graphene, the fabrication methods of graphene/polymer nanocomposites are reviewedThen microwave absorbing mechanisms of the nanocomposites are discussedAt last perspectives on the studies of the nanocomposites are providedThe further studies mainly include tailoring the micromorphology and structures of nanocomposites, decorating graphene with magnetic nanoparticles, and investigating synergy of microwave absorption between graphene and polymer

Key words: graphene, nanocomposite, polymer, microwave absorption