• 文献标题:   Highly efficient and large-scale synthesis of graphene by electrolytic exfoliation
  • 文献类型:   Article
  • 作  者:   WANG GX, WANG B, PARK J, WANG Y, SUN B, YAO J
  • 作者关键词:  
  • 出版物名称:   CARBON
  • ISSN:   0008-6223 EI 1873-3891
  • 通讯作者地址:   Univ Wollongong
  • 被引频次:   183
  • DOI:   10.1016/j.carbon.2009.07.040
  • 出版年:   2009

▎ 摘  要

Highly efficient and large-scale synthesis of graphene from graphite was produced by electrolytic exfoliation using poly(sodium-4-styrenesulfonate) as an effective electrolyte. Scanning and transmission electron microscopy, and atomic force microscopy confirmed the existence of monolayer graphene sheets and stacks containing a few graphene sheets. Raman spectroscopy demonstrated that the as-prepared graphene sheets have low defect content. Based on the measurement of FTIR spectra, the edge-to-face interaction (pi-pi interaction) between the graphene surface and aromatic rings of poly(sodium-4-styrenesulfonate) could be primarily responsible for producing exfoliation of the graphite electrode to graphene during electrolysis. In contrast to micromechanical exfoliation, electrolytic exfoliation can be scaled up for large-scale and continuous graphene production. (C) 2009 Elsevier Ltd. All rights reserved.