Research Article

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

Figure 2

FESEM images of (a) ZnS, (b) Cu(0.1)-ZnS, (c) Ga(0.1)-ZnS, (d) Ga(0.1),Cu(0.01)-ZnS, (e) Ga(0.1),Cu(0.03)-ZnS, and (f) Ga(0.1),Cu(0.05)-ZnS.
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