Highly efficient and large-scale synthesis of graphene by electrolytic exfoliation

被引：255

作者：

Wang, Guoxiu ^{[1
]}

Wang, Bei ^{[1
]}

Park, Jinsoo ^{[1
]}

Wang, Ying ^{[1
]}

Sun, Bing ^{[1
]}

Yao, Jane ^{[1
]}

机构：

[1] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia

来源：

CARBON | 2009年 / 47卷 / 14期

基金：

澳大利亚研究理事会;

关键词：

GRAPHITE; PHASE; GAS;

D O I：

10.1016/j.carbon.2009.07.040

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

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.

引用

页码：3242 / 3246

页数：5

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