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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
关键词: exfoliated graphite oxide;  transparent conductors;  charge-transfer;  carbon;  route;  paper
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.
部门归属: [Pei, Songfeng; Zhao, Jinping; Du, Jinhong; Ren, Wencai; Cheng, Hui-Ming] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.;Du, JH (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China;
相关网址: <Go to ISI>://WOS:000283447700031
刊名: Carbon
内容类型: 期刊论文
ISSN号: 0008-6223
KOS主题词: Charge transfer;  Charge exchange;  Carbon;  Bore;  route;  Paper
KOS主题词(UF): 电荷转移;  Transfer, Charge;  CT;  classical trajectory;  collision theory;  电子转移;  Electron transfer;  Exchange, Charge;  Transfer, Electron;  electron transport;  C;  carbon nanotubes;  diamond-like carbon;  DLC;  discotic liquid crystals;  discophases;  nanotube devices;  C (envelope sizes);  C (US paper size);  Cytosine;  carbon nano-sized tubes;  carbon nano tubes;  carbon nanoscale tubes;  carbon nanotubules;  无机发光材料;  [+];  BOR;  BORON;  CARBONE;  KALIUM;  KOHLENSTOFF;  PHOSPHOR;  PHOSPHORE;  PHOSPHORUS;  POTASSIUM;  POTASSIUM (FRANCAIS);  SCHWEFEL;  SOUFRE;  SULFUR;  SULPHUR;  TUNGSTEN;  TUNGSTENE;  URAN;  URANIUM;  URANIUM (FRANCAIS);  VANADIUM;  VANADIUM (DEUTSCH);  VANADIUM (FRANCAIS);  WOLFRAM;  WOLFRAM (DEUTSCH);  YTTRIUM;  YTTRIUM (DEUTSCH);  YTTRIUM (FRANCAIS);  Papers;  paper technology;  Paper industry;  Pulp technology
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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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