Research Article
Visible-Light-Driven SO42-/TiO2 Photocatalyst Synthesized from Binh Dinh (Vietnam) Ilmenite Ore for Rhodamine B Degradation
Figure 9
XPS spectra for TiO2 and SO42-/TiO2: (a) XPS survey spectra, (b) O1s spectrum, (c) Ti2p3/2 spectrum, and (d) S2p3/2 spectrum.
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