Table 5 ZnO powder surface free energy and its dispersive () and polar () components (in mJ/m2) (Owens–Wendt analysis) for untreated and modified surfaces
From: Wettability Modification of Nanomaterials by Low-Energy Electron Flux
Polar component (mJ/m2) | Dispersive component (mJ/m2) | Surface energy γSV(mJ/m2) | Fraction relation of the polar to the dispersive component | |
---|---|---|---|---|
Untreated | 18.5 | 22 | 40.5 | 0.8 |
UV illuminated | 45 | 21 | 66 | 2.1 |
E-beam irradiated | 9 | 25 | 34 | 0.35 |