Figure 4: XPS spectra of catalyst C-0.1.
From: Photo-reduced Cu/CuO nanoclusters on TiO2 nanotube arrays as highly efficient and reusable catalyst
(a) XPS survey spectrum; (b) Cu 2p spectrum; (c) O 1 s spectrum and (d) Ti 2p spectrum.
Figure 4: XPS spectra of catalyst C-0.1. | Scientific Reports
