Table 1. Summary of measured quantities.
Particle type | Diameter [nm] |
Water/n-decane |
Water/n-hexane | |
---|---|---|---|---|
FreSCa | AFM–GTT | FreSCa | ||
PS | 2,800 | 85.0°±5.2°(3.5°) | 122.0°±4.1°(3.7°) | — |
PMMA | 2,200 | 129.8°±11.8°(3.4°) | 157.4°±6.6°(5.3°) | — |
APL | 500 | 103.1°±4.0°(1.7°) | 127.0°±9.3°(2.1°) | 108.1°±9.0°(4.2°) |
APL | 200 | 102.4°±3.8°(3.3°) | — | 116.1°±12.3°(4.2°) |
APL | 100 | 124.3°±9.5°(8.9°) | — | — |
SPL | 100 | 116.1°±12.3°(6.7°) | — | — |
Au | 100 | 82.3°±8.0°(1.9°) | — | — |
APL | 40 | 116.2°±12.3°(5.6°) | — | — |
APL |
20 |
113.3°±12.1°(7.9°) |
— |
102.9°±10.3°(8.0°) |
Average contact angles for different particles, liquid interfaces and measurement methods. In brackets, average error for single-nanoparticle data obtained at shadowing angle α=45° for each system. APL, amidine polystyrene latex; Au, citrate-stabilized gold; PS, polystyrene; SPL, sulfate polystyrene latex; PMMA, Poly(methyl methacrylate).