Table 2. For both passivations the diffusion coefficients for all the simulated cases are shown: Pure water, pure oil, oil with adsorbed water layer on the surface.
| Passivation | Region | Fluid |
Fluid in the Nanopore |
||
|---|---|---|---|---|---|
| Pure oil | Pure water | Adsorbed water and oil | |||
| SiOH-Rich | 1 | Water | – | 2.03 × 10−5 | – |
| SiOH-Rich | 2 | Water | – | 3.10 × 10−7 | 2.63 × 10−6 |
| SiOH-Rich | 1 | Oil | 1.35 × 10−5 | – | 1.94 × 10−6 |
| SiOH-Rich | 2 | Oil | 1.28 × 10−7 | – | – |
| SiOSi-Rich | 1 | Water | – | 1.79 × 10−5 | – |
| SiOSi-Rich | 2 | Water | – | 7.70 × 10−7 | 4.01 × 10−7 |
| SiOSi-Rich | 1 | Oil | 7.39 × 10−6 | – | 1.11 × 10−5 |
| SiOSi-Rich | 2 | Oil | 1.43 × 10−7 | – | – |
All the values are diffusion coefficients with cm2/s units. The region 1 is from the center of the nanopore up to the inner radius. The region 2 is for radius bigger than the inner radius.