Table 2.
Methyl orange photodegradation activity of TiO2 and MgO nanopowders and their band gap values.
| Powder Sample | Methyl Orange UV Photodegradation (%) | Band Gap (eV) | |
|---|---|---|---|
| 1 h | 3 h | ||
| MgO | 56 | 80 | 4.7 |
| TiO2 | 87 | 93.7 | 3.15 |
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