Fig. 5From: MO degradation by Ag–Ag2O/g-C3N4 composites under visible-light irradationDRS (a), versus photon energy of the Ag–Ag2O/g-C3N4 treated for different proportions and plots of (αhυ)1/2 (b) versus photon energy of the Ag2O and g-C3N4 Back to article page