Research Article

Performance of Ag-TiO2 Photocatalysts towards the Photocatalytic Disinfection of Water under Interior-Lighting and Solar-Simulated Light Irradiations

Figure 7

XPS spectra of (a) the Ti 2p region of the TiO2 and Ag(2)TiO2 samples and (b) the Ag 3d region of the Ag(2)TiO2 (top) and solar-simulated light irradiated Ag(2)TiO2 (bottom) samples.
261045.fig.007a
(a)
261045.fig.007b
(b)