Preparation of Hierarchical Structure Au/ZnO Composite for Enhanced Photocatalytic Performance: Characterization, Effects of Reaction Parameters, and Oxidizing Agent Investigations

Figure 13

(a) Effect of initial H₂O₂ concentration on degradation of tartrazine, (b) the kinetic curves, and (c) the DC with different H₂O₂ concentrations. The reaction conditions: catalyst dosage of 0.5 g/L, TA concentration of 10 mg/L, pH solution of 6.0, and Hg lamp 250 W.

(a)

(b)

(c)