Research Article

Preparation, Characterization, and Activity of Y2O3-ZnO Complex Oxides for the Photodegradation of 2,4-Dinitrophenol

Figure 3

UV-visible diffuse reflectance spectrum of Y2O3-ZnO complex oxides contained different Y2O3 content (a) and the corresponding first derivative of the spectrum (b).
794057.fig.003a
(a)
794057.fig.003b
(b)