Fig. 4From: Synthesis of eco-friendly ZnO-based heterophotocatalysts with enhanced properties under visible light in the degradation of organic pollutantsOptical properties of the MO/GS/A/ZnO/Ag, MO/ZnO/Ag, GS/ZnO/Ag, A/ZnO/Ag heterogeneous photocatalyst and ZnO/Ag photocatalyst (a) PL of raw materials, b, c are PL of the synthesized materialBack to article page