Research Article

Synthesis of N/Fe Comodified TiO2 Loaded on Bentonite for Enhanced Photocatalytic Activity under UV-Vis Light

Figure 6

EPR spectra of the (a) and (b) radicals formed upon UV irradiation with catalysts: (A) TiO2, (B) N/Fe-TiO2, and (C) B-N/Fe-TiO2.
(a)
(b)