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In this work, a first stage of synthesis to obtain reduced graphene oxide (rGO) using an efficient chemical exfoliation method from graphite was studied. An ammonium hydroxide and a nitric-sulfuric acid mixture were used for in situ oxidation and partial-reduction of graphite. Flakes with a thickness of 3 nm were observed by using AFM, suggesting the presence of ten or less graphene layers. The average...
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