Fig. 2From: PtNi Alloy Cocatalyst Modification of Eosin Y-Sensitized g-C3N4/GO Hybrid for Efficient Visible-Light Photocatalytic Hydrogen EvolutionTEM images of g-C3N4/Ni/GO-0.5% (a), g-C3N4/Pt/GO-0.5% (b), and g-C3N4/PtNi/GO-0.5% (c)Back to article page