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Rayees Ahmad Rather,Satnam Singh,Bonamali Pal 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.37 No.-
The core–shell morphology of graphene oxide (GO) coated Au-TiO2 (Au-TiO2@GO) nanocatalysts hasdisplayed enhanced photocatalytic activity for hydrogen production from water. The structuralmorphology of Au-TiO2@GO revealed a thin layer ( 2.5 nm) of GO shell over Au-TiO2 core, possessinghigher specific surface area ( 100 m2 g 1). Raman spectroscopy revealed bands at 1593 cm 1 and1317 cm 1 corresponding to G and D lines. GO facilitates decreases in the rate of e /h+ recombinationdue to its reduction potential and Au loading increase sensitization of TiO2 in the visible light resulting inthe increased activity for H2 production ( 114 mmol) from the water.