fig9

Figure 9. (A) Proposed mechanism for photocatalytic toluene oxidation using the FePPA photocatalyst; (B) In situ FTIR spectra showing the photocatalytic toluene oxidation using a-FePPA. Reprinted with permission, Copyright 2024, Wiley-VCH^[170]. Proposed reaction pathways for (C) pristine TiO₂ and (D) Y₁/TiO₂ photocatalysts. In situ DRIFTS spectra of toluene adsorbed on (E) pure TiO₂ and (F) Y₁/TiO₂ during a 30-minute Ar flushing procedure. In situ DRIFTS spectra of toluene oxidation over (G) pure TiO₂ and (H) Y₁/TiO₂. Reprinted with permission, Copyright 2024, American Chemical Society^[60]. FTIR: Fourier transform infrared; DRIFTS: diffuse reflectance FTIR spectroscopy.