Fig. 7From: PtNi Alloy Cocatalyst Modification of Eosin Y-Sensitized g-C3N4/GO Hybrid for Efficient Visible-Light Photocatalytic Hydrogen EvolutionUV-Vis diffuse reflectance spectra of g-C3N4/Ni/GO-0.5%, g-C3N4/Pt/GO-0.5%, and g-C3N4/PtNi/GO-0.5% samplesBack to article page