Fig. 10. UV-Vis spectral changes of MB aqueous solutions over different catalysts: (a) m-APO/C60(5), (b) m-APO/C60(10), (c) m-APO/C60(20) and (d) pure APO under visible light. The inset photo in (a) shows the color change of the MB solution during photodegradation. Experimental conditions: [MB] = 25 mg L−1, [catalyst] = 0.05 g and [H2O2] = 30 wt%, 0.5 mL under visible light irradiation for 5 h.
