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Issue 67, 2014
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Pinning mechanism of advancing sessile droplet on superhydrophobic surfaces

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Abstract

This study explores the working mechanism and the influence factor of the pinning effect of advancing sessile droplets on micropillared superhydrophobic surfaces. Our experimental result reflects that the pinning effect of the advancing droplet is determined by a new parameter, which is named the local triple-phase contact line (LTCL). The pinning force is proved proportionate to the maximal value of the LTCL attainable along the actual droplet boundary. Meanwhile, a theoretical model is built to explain the pinning phenomena on various liquid/solid interfaces.

Graphical abstract: Pinning mechanism of advancing sessile droplet on superhydrophobic surfaces

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Publication details

The article was received on 30 Jun 2014, accepted on 04 Aug 2014 and first published on 05 Aug 2014


Article type: Communication
DOI: 10.1039/C4RA06428C
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RSC Adv., 2014,4, 35649-35652

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    Pinning mechanism of advancing sessile droplet on superhydrophobic surfaces

    J. Wu, J. Xia, W. Lei and B. Wang, RSC Adv., 2014, 4, 35649
    DOI: 10.1039/C4RA06428C

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