Modeling of Wetting: A Study of Nanowetting at Rough and Heterogeneous Surfaces
Molecular dynamics simulations were performed to study the behavior of nanoscale water droplets at solid surfaces. Simulations of droplets on heterogeneous patterned surfaces show that the relative sizes of the domains and the droplets play an important role as do the interactions between the solid...
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| Veröffentlicht in: | Langmuir 2007-01, Vol.23 (3), p.1187-1194 |
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| creator | Lundgren, Mathias Allan, Neil L Cosgrove, Terence |
| description | Molecular dynamics simulations were performed to study the behavior of nanoscale water droplets at solid surfaces. Simulations of droplets on heterogeneous patterned surfaces show that the relative sizes of the domains and the droplets play an important role as do the interactions between the solid and the liquid, particularly when the domain width is comparable to the droplet radius. For pillar surfaces, a transition is observed between the Wenzel and the Cassie and Baxter regimes with increasing pillar height. The effects of pillar width and the gap between the pillars were also examined. The simulations show clearly the importance of the detailed topography and composition of the solid surface. |
| doi_str_mv | 10.1021/la060712o |
| format | Article |
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| source | MEDLINE; ACS Journals: American Chemical Society Web Editions |
| subjects | Chemical Phenomena Chemistry Computer Simulation Electrochemistry Exact sciences and technology General and physical chemistry Models, Chemical Surface Properties Wettability |
| title | Modeling of Wetting: A Study of Nanowetting at Rough and Heterogeneous Surfaces |
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