Research Article

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

Figure 6

O1s core level of the XPS spectra for the wt% RuO2-ZnO samples. (a) , (b) , (c) , and (d) .
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(b)
(c)
(d)