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Effect of thin film type on its anatase crystallite size, energy band gap, and photocatalytic degradation of MB in 4 h.
| Samples | Crystallite size (nm) | Energy band gap (eV) | % Degradation of MB in 4 h (%) |
|---|---|---|---|
| TiO2 | 17.2 | 3.20 | 71.9 |
| 3SnO2/TiO2 | 17.2 | 3.20 | 80.3 |
| 20N/3SnO2/TiO2 | 9.8 | 3.03 | 89.5 |
