Research Article
Preparation, Characterization, and Activity of Y2O3-ZnO Complex Oxides for the Photodegradation of 2,4-Dinitrophenol
Figure 4
XPS spectra of (a) Zn 2p; (b) Y 3d; and (c) O 1s in ZnO (A), 0.25%-Y2O3-ZnO (B), 0.50%-Y2O3-ZnO (C), 0.75%-Y2O3-ZnO (D), and 1.00%-Y2O3-ZnO (E).
