Table 3: Reported size distribution of the selected ENPs as ingredients of photocatalyst matrix in water.

ENPsIndividual particle size (nm)Hydrodynamic particle size (nm)References

Ag20–30~100Gao et al. [93]
Al41215 ± 99Darlington et al. [94]
Cu26.7 ± 7.194.5–447.1Griffitt et al. [95]
NiO10–20750 ± 30Zhang et al. [96]
CeO2 (rods)(67 ± 8) × (8 ± 1)231 ± 16Keller et al. [76]
PbS14.4 ± 1240Liu et al. [97]
TiO215–2790–290Jiang et al. [98]
ZnO1336–413Xie et al. [78]
SiO214205Adams et al. [99]
Fe2O39.246.2Baalousha et al. [100]
Fe3O4<10120Illés and Tombácz [101]
Al2O360763Wang et al. [102]
ZnS2.1~12.5Slaveykova et al. [103]