Research Article
Characterization and Photocatalytic Activity of Enhanced Copper-Silica-Loaded Titania Prepared via Hydrothermal Method
Table 1
Photocatalytic activity of TiO2 with various SiO2 content.
| | Ti/Si ratio (%) | Preparation method | Crytallite size (nm) | Phase structure | Photocatalytic activity (%) |
| | 1 : 1 (50%) [18] | Sol-gel (100°C, 1 h) | 5–8 | A: 100% | 90 (MB, 2 h) | | 1 : 1 (50%) [19] | Sol-gel (100°C, 9 h) | 100–120 | A: 100% | 95 (Rhodamine B, 2 h) | | 19 : 1 (5%) [20] | Sol-gel (500°C,1 h) | 6.7 | A: 100% | 73 (MO, 1 h) | | 3 : 1 (25%) [21] | Sol-gel (550°C, 2 h) | 4.5 (A) 9.2 (R) | A: 43.3% | 65 (MO, 2 h) | | 7 : 3 (30%) [22] | Sol-gel (800°C, 2 h) | 12 | A: 100% | 92 (MO, 5 h) | | 3 : 2 (40%) [23] | Hydrothermal (140°C, 10 h) | 7 | A: 100% | 95 (MB, 1 h) | | 3 : 1 (25%) [24] | Hydrothermal (200°C, 24 h) | 16.3 | A: 100% | 80 (MB, 8 h) |
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A: anatase, R: rutile, MB: methyl blue, MO: methyl orange.
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