Fig. 6

(a) UV-Visible spectrum of MO (10 mg/L), (b) Removal % of MO via: photolysis without catalyst, adsorption in dark on rGO/Ni-BDP nanocomposite surface, photocatalysis under UV irradiation, and photocatalysis under visible light irradiation. (c) UV-Visible spectrum illustrating the complete degradation of MO.