Figure 3

(a) UV–Vis DRS spectra of ZrO2, Ag0.04ZrO2, and Ag0.04ZrO2/rGO photocatalysts. (b) Eg of ZrO2, Ag0.04ZrO2, and Ag0.04ZrO2/rGO photocatalysts.

(a) UV–Vis DRS spectra of ZrO2, Ag0.04ZrO2, and Ag0.04ZrO2/rGO photocatalysts. (b) Eg of ZrO2, Ag0.04ZrO2, and Ag0.04ZrO2/rGO photocatalysts.