Review Article
An Overview on the Photocatalytic Activity of Nano-Doped- in the Degradation of Organic Pollutants
Table 3
Properties of metalloid or halogen-doped TiO2 photocatalysts under various conditions.
| Type of dopant | (Metal dopant/TiO2) molar ratio | Preparation of doped TiO2 | Starting material of TiO2 | Starting material of dopants | Crystallite size (nm) | Phase | BET surface area (m2/g) | Reference |
| Metalloid | | | | | | | | | B | 0.001 | Hydrothermal | Ti(OBu)4 | NaBH4 | 2.59 | Anatase | 268.31 | [63] | 9.000 | Sol gel | Ti(OBu)4 | VO(OPr)3 | 6.00 | Anatase | 127.00 | [66] | 0.040 | Sol gel | TTIP | H3BO3 | β | Anatase | 219.00 | [82] | 0.148 | Sol gel | TiO2 | (C2H5O)3B | 7.00 | Anatase | 192.00 | [83] |
| Si | 0.111 | Destabilization | HFTA | HFSA | 6.50 | β | 155.00 | [84] | 0.030 | Hydrothermal | Ti(OC4H9)4 | (C2H5)4SiO4 | 8.20 | Anatase | 191.70 | [85] | 0.150 | Templating | TBOT | TEOS | 10.00 | Anatase | 120.00 | [86] |
| Halogen | | | | | | | | | F | 0.050 | Hydrothermal | Ti(OC3H7)4 | NH4F | β | Anatase | 48.00 | [75] | 0.500 | Hydrothermal | TBOT | NH4HF2-H2O | 11.20 | Anatase | 122.00 | [77] | 0.770 | Hydrothermal | TIP | NaF | 10.00 | Anatase | 148.00 | [78] | 0.039 | Sol gel | Ti(C2H5O)4 | CF3COOH | 13.20 | Anatase | β | [80] | 0.190 | Spray pyrolysis | H2TiF6 | H2TiF6 | β | Anatase | 27.10 | [87] | 0.001 | Sol gel | Ti(OBu)4 | NH4F | 3.78 | Anatase | 169.48 | [81] |
| I | 0.033 | Hydrothermal | TTIP | HIO3 | 5.50 | Anatase/brookite | 137.60 | [88] | 0.117 | Hydrothermal | TNBT | KI | 4.46 | Anatase | 184.87 | [89] | 0.025 | Sol gel | Ti(OBu)4 | HIO3 | 5.50 | Anatase | 259.10 | [90] |
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