New Insight into the Graphene Based Films Prepared from Carbon Fibers

Yan-Xiang Wang, Wen-Xin Fan, Guo-Li Wang, Min-Xia Ji
DOI: 10.4236/msa.2011.27113                

Abstract

In this work, ultrathin sections from longitudinal polyacrylonitrile (PAN) based T700 and T300 carbon fibers were prepared by ultramicrotomy, a promising graphene based thin films were developed in one step at ambient temperature. It is investigated that the network-graphene planes composed with carbon atoms are partly straight and partly twisted in the thin films prepared from T700 carbon fibers, the distance between the carbon atoms of network-graphene plane decreases, the order design of graphene in the films prepared from T700 carbon fibers is denser and its arrangement shows a preferred orientation along the drawing direction, its consistency of the neighboring graphene based planes is better, moreover, the relative content of the forming SP²-hybridized orbit of carbon atoms in the films prepared from T700 carbon fibers is higher, in the other words, the fact of the graphene based film prepared from carbon fibers without having the characteristic of skin-core structure has been verified.

Keywords

Carbon Materials, Microstructure, Graphene, Thin Films

Conflicts of Interest

The authors declare no conflicts of interest.

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