Review Article
An Overview on the Photocatalytic Activity of Nano-Doped- in the Degradation of Organic Pollutants
Table 1
Properties of metal-doped TiO2 photocatalysts under various conditions.
| Type of metal dopant | (Metal dopant/TiO2) molar ratio | Preparation of doped TiO2 | Starting material of TiO2 | Starting material of metal dopants | Crystallite size (nm) | Phase | BET surface area (m2/g) | Reference |
| Fe | 0.090 | Hydrothermal | TTB | FeCl3, FeCl2 | 11.40 | Anatase | 101.40 | [50] | 0.100 | Hydrothermal | (Ti(OC4H9-n)4 | Fe(NO3)3β’9H2O | 14.50 | Anatase | 102.00 | [53] | 1.200 | Hydrothermal | TiCl3 | FeCl3β’6H2O | 23.70 | Anatase | 55.50 | [55] | 0.007 | Sol gel | TTIP | Fe(NO3)3 | β | Anatase | 175.00 | [54] | 0.700 | Sol gel/microemulsion | TTIP | Fe(NO3)3 | 12.70 | Anatase | 83.00 | [52] | 0.980 | Sol gel | Ti(OPri)4 | Fe(NO3)3β’9H2O | 9.00 | Anatase | 126.10 | [49] |
| Pt | 0.800 | Impregnation | TiO2 Degussa P25 | PtCl2 | 22.28 | Anatase | 29.17 | [57] | 1.000 | Impregnation/Photodeposition | TiO2 Degussa P25 | H2PtCl6 | 20.00 | Anatase | 107.00 | [64] | 1.500 | Impregnation | TTIP | H2PtCl6 | 31.00 | Anatase | 19.10 | [61] | 0.500 | Photochemical deposition | TBOT | H2PtCl6β’6H2O | 9.15 | Anatase | 116.10 | [60] | 1.500 | Photochemical reduction | TNBT | H2PtCl6β’6H2O | β | Anatase | 118.70 | [58] |
| Ce | 0.100 | Sol gel | TiCl4 | H2PtCl6β’6H2O | 14.00 | Anatase | 68.00 | [59] | 0.010 | Hydrothermal | Ti(SO4)2 | Ce(NO3)4 | β | Anatase | 454.00 | [63] | 4.000 | Reflux | Ti(OBu)4 | Ce(NO3)4 | 8.30 | Anatase | β | [65] |
| V | 1.000 | Sol gel | Ti(OBu)4 | VO(OPr)3 | 12.00 | Anatase | 107.00 | [62] |
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