Figure 5

XPS spectra of CuO/ZnO-DSDSHNM showing full scan survey (a) and corresponding peaks in the high-resolution spectra for Cu 2p (b), Zn 2p (c), and O 1 s (d).

XPS spectra of CuO/ZnO-DSDSHNM showing full scan survey (a) and corresponding peaks in the high-resolution spectra for Cu 2p (b), Zn 2p (c), and O 1 s (d).