Wettability switching techniques on superhydrophobic surfaces - Archive ouverte HAL
Article Dans Une Revue Nanoscale Research Letters Année : 2007

Wettability switching techniques on superhydrophobic surfaces

Résumé

The wetting properties of superhydrophobic surfaces have generated worldwide research interest. A water drop on these surfaces forms a nearly perfect spherical pearl. Superhydrophobic materials hold considerable promise for potential applications ranging from self cleaning surfaces, completely water impermeable textiles to low cost energy displacement of liquids in lab-on-chip devices. However, the dynamic modification of the liquid droplets behavior and in particular of their wetting properties on these surfaces is still a challenging issue. In this review, after a brief overview on superhydrophobic states definition, the techniques leading to the modification of wettability behavior on superhydrophobic surfaces under specific conditions: optical, magnetic, mechanical, chemical, thermal are discussed. Finally, a focus on electrowetting is made from historical phenomenon pointed out some decades ago on classical planar hydrophobic surfaces to recent breakthrough obtained on superhydrophobic surfaces.
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hal-00283959 , version 1 (11-07-2022)

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N. Verplanck, Yannick Coffinier, V. Thomy, Rabah Boukherroub. Wettability switching techniques on superhydrophobic surfaces. Nanoscale Research Letters, 2007, 2, pp.577-596. ⟨10.1007/s11671-007-9102-4⟩. ⟨hal-00283959⟩
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