Table 1.
Reaction conditions for the synthesis of the different TiO2 samples.
| Sample | Precursor (amount) | O-donor a | Solvent | Temperature (time) | Calc. yield b/% |
|---|---|---|---|---|---|
| TiO2-E-NS | TiCl4 (12.5 mmol) | iPr2O | none | 110 °C (72 h) | 93 |
| TiO2-E-Tol | TiCl4 (12.5 mmol) | iPr2O | toluene (5 mL) | 110 °C (72 h) | 94 |
| TiO2-E-Squ | TiCl4 (12.5 mmol) | iPr2O | squalane (5 mL) | 110 °C (72 h) | 96 |
| TiO2-E-CH | TiCl4 (12.5 mmol) | iPr2O | cyclohexane (5 mL) | 110 °C (72 h) | 93 |
| TiO2-A-NS | Ti(OiPr)4 (4.4 mmol) | PhCOCH3 | none | 200 °C (12 h) | 92 |
| TiO2-A-Tol | Ti(OiPr)4 (4.4 mmol) | PhCOCH3 | toluene (10 mL) | 200 °C (12 h) | 95 |
| TiO2-A-Squ | Ti(OiPr)4 (4.4 mmol) | PhCOCH3 | squalane (10 mL) | 200 °C (12 h) | 96 |
| TiO2-B-NS | Ti(OiPr)4 (4.4 mmol) | (PhCO)2O | none | 200 °C (12 h) | 56 |
| TiO2-B-Tol | Ti(OiPr)4 (4.4 mmol) | (PhCO)2O | toluene (10 mL) | 200 °C (12 h) | 53 |
| TiO2-B-Squ | Ti(OiPr)4 (4.4 mmol) | (PhCO)2O | squalane (10 mL) | 200 °C (12 h) | 78 |
a 2 equivalents relative to the precursor; b calcination yield (500 °C, 5 h, in air).