Electrochemical preparation of few layer-graphene nanosheets via reduction of oriented exfoliated graphene oxide thin films in acetamide-urea-ammonium nitrate melt under ambient conditions

Dilimona, V. S. ; Sampath, S. (2011) Electrochemical preparation of few layer-graphene nanosheets via reduction of oriented exfoliated graphene oxide thin films in acetamide-urea-ammonium nitrate melt under ambient conditions Thin Solid Films, 519 (7). pp. 2323-2327. ISSN 0040-6090

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.tsf.2010.11.019

Abstract

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.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Molten Electrolyte; Acetamide; Urea; Ammonium Nitrate Melt; Graphene Oxide; Electrochemical Reduction; Atomic Force Microscopy
ID Code:57380
Deposited On:26 Aug 2011 08:15
Last Modified:26 Aug 2011 08:15

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