Table 2 Catalytic degradation with band gap energy:(pure and Mg-doped ZnO NPs)
Sample | Band gap (Eg) eV | Degradation (%) at 120 min | Degradation rate constant (k) |
---|---|---|---|
ZnO NPs | 3.36 | 13.18 | 1.09 × 10−3 |
2.5% Mg-ZnO NPs | 3.27 | 30.76 | 2.76 × 10− 3 |
5% Mg-ZnO NPs | 3.13 | 56.04 | 5.72 × 10− 3 |
7.5% Mg-ZnO NPs | 3.04 | 78.02 | 1.26 × 10−2 |