Figure 6From: Effects of architectures and H2O2 additions on the photocatalytic performance of hierarchical Cu2O nanostructures Photodegradation of MO in an aqueous solution with Cu 2 O products and different amount of H 2 O 2 . (a) 4 h (S1), (b) 6 h (S2), (c) 8 h (S3), and (d) 10 h (S4).Back to article page