Fig. 4From: Effects of Annealing on Electrochemical Properties of Solvothermally Synthesized Cu2SnS3 Anode NanomaterialsXPS profiles of as-prepared Cu2SnS3 nanoparticles: a typical survey spectrum, b Cu2p core level, c Sn3d core level, and d S2p core level. XPS spectra of annealed Cu2SnS3 nanocrystals: e typical survey spectrum, f Cu2p core level, g Sn3d core level, and h S2p core levelBack to article page