Fig. 1. TEM images of (a) PFPA-TiO2, (b) graphene flake, (c) G-TiO2, and IR spectra of (d) PFPA-TiO2.
Fig. 2. UV-vis spectra of (a) TiO2, (b) TiO2-PFPA, and (c) G-TiO2.
Fig. 4. Photocatalytic activity measurement, measured as I/I0 (excitation 630 nm).
Fig. 3. (a) Photocatalysis mechanism and (b) reaction of SOSG with singlet oxygen. The endoperoxide of SOSG product is highly fluorescent (excitation/emission maxima ~504/525 nm).