氧化石墨烯及其与聚合物的复合

Oxidized graphene and graphene based polymer composites

石墨烯是单原子厚度的二维碳原子晶体,也是性能优异的新型纳米复合填料。近三年来,石墨烯从概念上的二维材料变成现实材料,在化学和物理学界均引起轰动。通过述评氧化石墨及氧化石墨烯的制备、结构、改性及其与聚合物的复合,展望了石墨烯及其复合材料的研究前景,认为通过机械剥离氧化石墨可规模化制备氧化石墨烯,进一步将其化学改性并制备复合材料已取得较大进展,这一途径被认为是石墨烯规模化应用的战略起点。

Graphene sheets--one-atom-thick two-dimensional layers of sp2-bonded carbon--are novel nanofillers for composites with many unique properties. Graphene has attracted much attention from physical and matedais scientists since became available in 2004. Here the preparation, characterization and modification routes of oxidized graphite, oxidized graphene and graphene based polymer composites are reviewed. Future research and possible applications are also discussed. Large-scale synthesis and application of oxidized graphene sheets can be achieved by mechanical exfoliation of graphite oxide, further chemical functionalization and dispersion in a polymer matrix. Such a method has become a strategic starting point for the industrial application of graphene, and remarkable progress has been made in the last few years.