Table 1 Characteristics of the colloidal suspensions used for the experiments
Manufacturer | BS-Partikel (BS305) | Duke Scientifics (DS300) | Bangs Laboratories (BL280) |
|---|---|---|---|
Nanosphere material | Polystyrene | Polystyrene | Silica |
Nanosphere diameter (nm) | 305 ± 8 | 300 ± 5 | 280 ± 7 |
Solids content (wt.%) | 2 | 0.1 | 2 |
Surface tension (mN/m) | 46.8 ± 0.8 | 57.3 ± 0.9 | 70.2 ± 1.5 |
pH value | 7.0 ± 0.2 | 7.0 ± 0.2 | 7.0 ± 0.2 |