Correlation coefficient for the kinetic equations of phenol photodegradation.
| Photocatalyst | Phenol photodegradation | |
|---|---|---|
| Zero-order | First-order | |
| UV light | 0.96 | 0.97 |
| TiO2 NPs/BMI·BF4 IL | 0.97 | 0.98 |
| 1% Fe3+-doped TiO2 NPs/BMI·BF4 IL | 0.77 | 0.91 |
| 1% Cu2+-doped TiO2 NPs/BMI·BF4 IL | 0.93 | 0.85 |