| Date | Binary system | Photocatalyst | Photocatalytic degradation (%) | References |
| 2010 | Acid Orange 7 Reactive Red 2 | TiO2 | 60 45 | [64] |
| 2013 | Methylene blue Rhodamine B | CuO-nanozeolite X | 68 20 | [58] |
| 2014 | Direct blue 71 Direct red 16 | p-CuFeO2/n-ZnO | 87 84 | [65] |
| 2016 | Methylene blue Reactive red 4 | Indium doped and carbon modified P25 nanocomposites | 92.8 90 | [66] |
| 2016 | Bromocresol green Eosin Y | ZnO nanorods loaded on activated carbon | 95 95 | [67] |
| 2016 | Methyl orange Methylene blue | Fe3O4/SiO2/TiO2 | 90.2 100 | This study |