Research Article

Preparation and Characterization of Au/Pd Modified-TiO2 Photocatalysts for Phenol and Toluene Degradation under Visible Light—The Effect of Calcination Temperature

Figure 2

DRS spectra of samples (a) 0.5 Pd/TiO2 and 1.25 Au/TiO2 and (b) 0.5 Pd_1.25 Au/TiO2 calcined at different temperature (from 350 to 700°C).
918607.fig.002a
(a)
918607.fig.002b
(b)