BAZIN, Damien; FAURE, Chrystel

doi:10.1039/c7sm01256j

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BAZIN, Damien
Centre de Recherche Paul Pascal [CRPP]

FAURE, Chrystel
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]

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Soft Matter. 2017-09, vol. 13, n° 33, p. 5500-5505

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We report the patterning of copper surfaces which display both superhydrophobicity and high adhesion thanks to a new feature geometry, and without resorting to chemical modification. Polystyrene beads organized in 2D crystals under an AC electric field act as a template for the growth of copper deposited via cupric ion-loaded multi-lamellar vesicles. After the removal of the beads, hexagonal arrays of supported hollow spheres or copper bowls are generated, depending on the amount of deposited copper. While the bowl-covered surfaces display a predictable decreasing wettability (Cassie model) as their wall height increases, the hollow sphere-covered surfaces exhibit both high adhesion and superhydrophobicity (Cassie-Baxter state).< Leer menos

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Superhydrophobic, highly adhesive arrays of copper hollow spheres produced by electro-colloidal lithography

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