Table 2. Comparative Study of Crystal Violet Dye Degradation with Current and Previous Work.
| S. no | catalyst | dye | conc. (ppm) | degradation % | time (min) | light source | ref |
|---|---|---|---|---|---|---|---|
| 1 | TiO2(B)/fullerene | crystal violet | 30 | 82 | 120 | visible light | (46) |
| 2 | Gd-doped BFO | crystal violet | 20 | 84.4 | - | visible light | (47) |
| 3 | La1–xCoxCr1–yFeyO3/r-GO | crystal violet | - | 89.08 | 90 | solar light | (48) |
| 4 | NCQGs/H2O2 | crystal violet | 10 | 74 | 150 | visible light | (49) |
| 5 | CQDs/KNbO3 | crystal violet | - | 70 | 300 | visible light | (50) |
| 6 | AgBr-ZnO | crystal violet | 10 | 86.93 | 50 | visible light | (51) |
| 7 | ZnTiO3@S | crystal violet | 10 | 93 | 180 | sunlight | (52) |
| 8 | S,N-GQDs | crystal violet | 20 | 91 | 100 | visible light | current work |