Research Article

One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-Chlorophenol

Figure 4

Ru 3d core levels of the XPS spectra for the RuO2-ZnO catalysts. (a) 0.5 wt% RuO2-ZnO, (b) 1 wt% RuO2-ZnO, and (c) 3 wt% RuO2-ZnO.
(a)
(b)
(c)