Chemical exfoliation

An alternative preparative method that is commonly utilised owing to the ease of production, high-yield and relative low cost is the chemical exfoliation of graphite [43]. This includes ultrasound in both solution and intercalation steps, usually prior to 

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H. Wang, J.T. Robinson, X. Li, H. Dai, Solvothermal reduction of chemically exfoliated graphene sheets, Journal of the American Chemical Society, 131 (2009) 9910-9911. 

Mechanical exfoliation Chemical exfoliation Hydrate the skin Reduce skin irritations Mildly antibacterial... 

Fig. 6 Schematic chemical structures and TEM images of (a, b) graphene oxide (GO), (c, d) reduced GO and (e, f) chemically exfoliated graphene sheets. Dark grey balls carbon atoms red balls oxygen atoms blue balls hydrogen atoms. Hydrogen atoms on carbon atoms were omitted [38] (Reprinted with permission from Ref. [37] Copyright (2013) by Royal Society of Chemistry)...

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