Figure 2From: Solvothermal Synthesis and Characterization of Chalcopyrite CuInSe2 Nanoparticles(a) XPS survey spectrum, (b) Cu 2p, (c) In 3d, and (d) Se 3d core-level spectrum of the CuInSe2 nanoparticles synthesized at 200 °C for 24 hBack to article page