Visible-Light-Driven SO₄^2-/TiO₂ Photocatalyst Synthesized from Binh Dinh (Vietnam) Ilmenite Ore for Rhodamine B Degradation

Figure 11

The change in as a function of irradiation time for the blank sample, TiO₂, and SO₄^2-/TiO₂ under the irradiation of (a) the 60 W LED lamp and (b) the sunlight.

(a)

(b)