Table 1 Physico-chemical properties of the synthetic AgNPs and their measurements.
Items of Physico-chemical properties | Measurement | Citrate-capped AgNPs |
|---|---|---|
Morphology | TEM | Roughly spherical |
Actual diameter (nm) | TEM | 18.2 ± 8.2 |
Hydrodynamic diameter (nm) | DLS | 32.8. ± 4.4 |
Polydispersity index (PDI) | DLS | 0.304 ± 0.037 |
Chemical composition | EDX | Silver (100%) |
Zeta potential (mV) | PALS | −23.6 |
Maximum absorbance (nm) | UV-Vis | 391 |