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Tuning the underwater oleophobicity of graphene oxide coatings via UV irradiation
Hang Li1, Yi Huang, Yating Mao
1Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA. yumiao@cec.sc.edu.
Chemical Communications (Cambridge, England)
|July 16, 2014
Abstract:
Ultraviolet (UV) irradiation was utilized to gradually modify the chemistry and structure of graphene oxide (GO) flakes, as confirmed by XPS and AFM. Ultrathin GO coatings/membranes, made of UV-irradiated flakes, showed tunable underwater oleophobicity. UV-treated, superoleophobic GO membranes exhibited excellent antifouling capability for oil/water separation.
