Research Article
Noble Metal Decoration and Presulfation on TiO2: Increased Photocatalytic Activity and Efficient Esterification of n-Butanol with Citric Acid
Figure 8
DMPO spin-trapping ESR spectra of (A) TiO2, (B) /TiO2, (C) /Ag-TiO2, (D) /Au-TiO2, (E) /Rh-TiO2, and (F) /Pt-TiO2 samples, at ambient temperature in an aqueous dispersion for (a) DMPO-•OH and in a methanol dispersion for (b) DMPO-.
| (a) |
| (b) |