Comparative study of photocatalytic efficiency of ZnO NPs of present work with the previous results68–71.
| Sample name | Synthesis method | Light source | % Efficiency (time) | Photocatalyst/MB concentration | Reference |
|---|---|---|---|---|---|
| MxZn1−xO (M = Al3+, Fe3+, Cr3+) | Chemical method | Visible light | 91% (120 min) | — | 68 |
| PQ/ZnO | Chemical method | Sunlight | 80% (90 min) | 50 mg/10 ppm | 69 |
| ZnO | Chemical method (autoclave) | Mercury vapor lamp | 92% (60 min) | 50 mg/10 ppm | 70 |
| ZnO NPs | Green method-Sambucus ebulus extract | UV light | 80% (200 min) | 20 mg/50 ppm | 71 |
| ZnO NPs | Green method-LA leaf extract | Sunlight | 98.5% (120 min) | 5 mg/10 ppm | Present work |