Research Article
Nb-Doped TiO2 Photocatalysts Used to Reduction of CO2 to Methanol
Table 3
Methanol concentrations obtained, quantified by GC-FID.
| Photocatalytic powder (% Nb (w/w)) | Methanol yield (µmol/g-cat·h) | Photocatalytic powder (% Nb (w/w)) | Methanol yield (µmol/g-cat·h) |
| Blank (photolysis) | 0 | P25 | 1.83 | Nb–TiO2 0.0% | 0 | Nb–TiO2 0.0% SPT | 0 | Nb–TiO2 0.5% | 0.54 | Nb–TiO2 0.5% SPT | <0.01 | Nb–TiO2 1.0% | 0.76 | Nb–TiO2 1.0% SPT | 0.16 | Nb–TiO2 2.5% | 1.00 | Nb–TiO2 2.5% SPT | 0.40 |
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