Fig. 5From: One-Step Solvothermal Method to Prepare Ag/Cu2O Composite With Enhanced Photocatalytic PropertiesTypical XPS spectrum of the as-grown Ag/Cu2O samples including XPS full spectrum, Cu 2p spectrum, O 1s spectrum, and Ag 3d spectrum, respectively. a CA-0, b CA-0.5, and c CA-2Back to article page