Research Article
Noble Metal Decoration and Presulfation on TiO2: Increased Photocatalytic Activity and Efficient Esterification of n-Butanol with Citric Acid
Table 2
Amount of S
groups on prepared catalysts.
| Samples | Amount (μmol/g) | S groups (per nm2) |
| TiO2 | 201 | 0.71 | Ag-TiO2 ((Ag) = 0.5%) | 296 | 1.32 | Au-TiO2 ((Au) = 0.5%) | 804 | 2.71 | Rh-TiO2 ((Rh) = 0.5%) | 542 | 1.87 | Pt-TiO2 ((Pt) = 0.5%) | 664 | 2.05 |
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