Research Article

Preparation of High Activity Ga and Cu Doped ZnS by Hydrothermal Method for Hydrogen Production under Visible Light Irradiation

Figure 6

Photocatalytic hydrogen evolution on Cu(0.1)-ZnS (●), Ga(0.1),Cu(0.01)-ZnS (△), Ga(0.1),Cu(0.03)-ZnS (□), and Ga(0.1),Cu(0.05)-ZnS (○) under visible light irradiation.