Preparation, Characterization, and Enhanced Photocatalytic Hydrogen Evolution Activity of -Based Compounds under Simulated Sunlight Irradiation
Figure 4
SEM images of the as-prepared photocatalysts calcined at 950°C: (a) TiO2-Y2Cu2O5 preared by the sol-gel approach; (b) TiO2-Y2Cu2O5 prepared by the solid state reaction; (c) Y2Cu2O5 prepared by the solid state reaction.