Research Article

Synthesis of C-N-S-Tridoped TiO2 from Vietnam Ilmenite Ore and Its Visible Light-Driven-Photocatalytic Activity for Tetracyline Degradation

Figure 4

UV-Vis-DRS spectra (a) and the plot of Kubelka-Munk function for TiO2, TC-adsorbed TH-TiO2, and TH-TiO2 (b).
(a)
(b)