High quality graphene and its epoxy composites were prepared by exfoliation of first stage FeCl_3-GICs with sodium borohydride(NaBH_4)aqueous solution,followed by compounding with epoxy resin.First stage FeCl_3-GICs were prepared by compounding anhydrous FeCl_3 and graphite at 330℃.XRD analysis and scanning electron microscopy data show that the interlayer spacing of graphite intercalation compounds is increased from 0.335 nm to 0.930 nm,indicates first stage FeCl_3-GIC is obtained.Transmission electron mic...
QIAO Xu,LIN Zhi,LIN Xiao-dan(School of Materials Science and Engineering,South ChinaUniversity of Technology,Guangzhou 510640,China)石墨烯是由sp2杂化轨道碳原子形成的二维超共轭结构,它的理论比表面积达到2630m2g-1,电子迁移率达到2×105cm2 V-1s-1[1],导热率达到5
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