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题名: Direct reduction of graphene oxide films into highly conductive and flexible graphene films by hydrohalic acids
作者: S. F. Pei;  J. P. Zhao;  J. H. Du;  W. C. Ren;  H. M. Cheng
发表日期: 2010
摘要: We report a simple but highly-effective hydrohalic acid reducing method to reduce graphene oxide (GO) films into highly conductive graphene films without destroying their integrity and flexibility at low temperature based on the nucleophilic substitution reaction. GO films reduced for 1 h at 100 degrees C in 55% hydroiodic (HI) acid have an electrical conductivity as high as 298 S/cm and a C/O ratio above 12, both of which are much higher than films reduced by other chemical methods. The reduction maintains good integrity and flexibility, and even improves the strength and ductility, of the original GO films. Based on this reducing method, a flexible graphene-based transparent conductive film with a sheet resistance of 1.6 k Omega/sq and 85% transparency was obtained, further verifying the advantage of HI acid reduction. (C) 2010 Elsevier Ltd. All rights reserved.
KOS主题词: Charge transfer;  Charge exchange;  Carbon;  Bore;  route;  Paper
刊名: Carbon
相关网址: <Go to ISI>://WOS:000283447700031
Appears in Collections:中国科学院金属研究所_期刊论文

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Recommended Citation:
S. F. Pei,J. P. Zhao,J. H. Du,et al. Direct Reduction Of Graphene Oxide Films Into Highly Conductive And Flexible Graphene Films By Hydrohalic Acids[J]. Carbon,2010,48(15):4466-4474.

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