期刊
THIN SOLID FILMS
卷 519, 期 7, 页码 2323-2327出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2010.11.019
关键词
Molten electrolyte; Acetamide; Urea; Ammonium nitrate melt; Graphene oxide; Electrochemical reduction; Atomic force microscopy
Electrochemical reduction of exfoliated graphene oxide, prepared from pre-exfoliated graphite, in acetamide-urea-ammonium nitrate ternary eutectic melt results in few layer-graphene thin films. Negatively charged exfoliated graphene oxide is attached to positively charged cystamine monolyer self-assembled on a gold surface. Electrochemical reduction of the oriented graphene oxide film is carried out in a room temperature, ternary molten electrolyte. The reduced film is characterized by atomic force microscopy (AFM), conductive AFM, Fourier-transform infrared spectroscopy and Raman spectroscopy. Ternary eutectic melt is found to be a suitable medium for the regulated reduction of graphene oxide to reduced graphene oxide-based sheets on conducting surfaces. (C) 2010 Elsevier B.V. All rights reserved.
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