Fig. 11From: One-Step Solvothermal Method to Prepare Ag/Cu2O Composite With Enhanced Photocatalytic PropertiesThe XPS spectrum of Ag/Cu2O composites after photodegradation test including XPS full spectrum, Cu 2p spectrum, O 1s spectrum, and Ag 3d spectrum, respectively. (Upper panel) CA-0 and (lower panel) CA-0.5Back to article page