Research Article
Ta/Ti-and Nb/Ti-Mixed Oxides as Efficient Solar Photocatalysts: Preparation, Characterization, and Photocatalytic Activity
Table 2
Characterization of the prepared samples.
| Sample | Crystalline size, D (nm) | Anatase content (%) | Band gap (eV) | Decolorization rate, (minā1) |
| Pure TiO2 | 19.50 | 80.02 | 3.10 | 0.0152 | Nb/TiO2 (TNb1) | 17.79 | 86.03 | 2.80 | 0.0364 | Nb/TiO2 (TNb3) | 18.00 | 85.70 | 2.93 | 0.0216 | Ta/TiO2 (TTa1) | 20.74 | 75.50 | 3.01 | 0.0212 | Ta/TiO2 (TTa3) | 21.80 | 82.01 | 2.98 | 0.0192 |
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