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Facile Synthesis of Graphene via Direct Water-Sodium Dodecylbenzenesulfonate Exfoliation

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In this study, a mild, one-step electrochemical exfoliation was demonstrated for the synthesis of graphene with the assistance of water and a surfactant, particularly sodium dodecylbenzenesulfonate and sodium dodecyl sulphate. Different types of water-surfactant solutions in different concentrations could influence the exfoliation of graphite rods. From one to several layers of graphene flakes (with a thickness of approximately 1 nm) could be produced directly after sonication. AFM images showed that the flake diameters from this source were typically small. Raman and IR spectroscopic analyses of the dispersed phase suggested that the exfoliation of graphene sheets was accomplished. The flakes were also characterized using field emission scanning electron microscopy, X-ray diffraction, and cyclic voltammetry techniques. Further improvements in this methodology may pave the way to develop green, cost-effective, and large-scale production methods for graphene sheets.

Keywords: CARBONACEOUS MATERIAL; ELECTROCHEMICAL EXFOLIATION; GRAPHENE; SURFACTANT

Document Type: Research Article

Publication date: June 1, 2014

More about this publication?
  • Graphene is a multidisciplinary peer-reviewed journal with a very wide-ranging coverage, consolidates fundamental and applied research activities in all areas of chemistry, physics, materials science, bioscience, engineering and nanotechnology dealing with graphene and its based materials including their production, synthesis, chemical modification and functionalization, growth, processing, fabrication, spectroscopic characterization, electrical, optical, thermal, mechanical properties, spin transport, quantum mechanics, and all types of device applications. The journal publishes full research papers, timely review articles with author's photo and short biography, and communications of important new scientific findings, encompassing all fundamental and applied research aspects of graphene science, engineering and technology.
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