Journal
RSC ADVANCES
Volume 3, Issue 46, Pages 24530-24534Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra45258a
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Funding
- PIBIC-CNPq [139853/2011-1]
- Capes [742/12]
- Fapergs [10/1663-0, 10/0008-0]
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We simulate in two dimensions the wetting behavior of a liquid droplet placed on a solid surface structured by a regular distribution of pillars. For this purpose, as in a recent study, we used the Potts Hamiltonian formalism. We focused our investigations on the transition between the wetting regimes characteristic of the super-repellent property of our surfaces. We determined several physical variables influencing such a property and we also built the wetting phase diagrams of which two different states and a transition zone were identified. The transition happens between a Cassie-Baxter state (CB) and the Wenzel state. We also show that the wetting transition is affected by fluctuations and liquid compressibility.
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