Fig. 8From: Facile One-Step Sonochemical Synthesis and Photocatalytic Properties of Graphene/Ag3PO4 Quantum Dots Compositesa Photoluminescence spectra of Ag3PO4 QDs, R-1.5, R-2, R-2.3, R-2.5, and R-3 and b the effect of different quenchers on the photocatalytic degradation of MBBack to article page