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Issue 7, 2010
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Wetting process in superhydrophobic disordered surfaces

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Abstract

A sessile (water) drop deposited onto a superhydrophobic surface can stay in two different regimes: the heterogeneous (or Cassie–Baxter) regime, where air or vapour is trapped at the interface, or the homogenous (or Wenzel) regime, where the interface is completely wet. Often, a spontaneous transition from the first to the second regime may occur in time. We report on a study of this phenomenon in a new kind of superhydrophobic surfaces, characterized by a relevant spatial disorder. The observed transition follows a behaviour quite different respect to the one measured in the commonly used periodic artificial arrays.

Graphical abstract: Wetting process in superhydrophobic disordered surfaces

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Publication details

The article was received on 19 Jan 2010, accepted on 02 Feb 2010 and first published on 22 Feb 2010


Article type: Communication
DOI: 10.1039/C001234C
Citation: Soft Matter, 2010,6, 1409-1412
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    Wetting process in superhydrophobic disordered surfaces

    F. Buatier de Mongeot, D. Chiappe, F. Gagliardi, A. Toma, R. Felici, A. Garibbo and C. Boragno, Soft Matter, 2010, 6, 1409
    DOI: 10.1039/C001234C

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