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Anisotropic Wetting on Checkerboard-Patterned Surfaces

Authors Zhang, Xueyun
Cai, Yuan
Mi, Yongli View this author's profile
Issue Date 2011
Source Langmuir , v. 27, (15), 2011, Aug, p. 9630-9637
Summary A series of surfaces with microscale checkerboard patterns consisting of continuous central lines and discontinuous lateral lines were fabricated. The surface wetting properties of these checkerboard patterns were found to be anisotropic. The central continuous lines were found to have a strong influence on the dynamic wetting properties and moving trajectories of the water droplets. The droplets move more easily in the direction parallel to the central continuous lines and less easily in the direction perpendicular to the central continuous lines. Meanwhile, the droplets' moving path tends to incline toward the central continuous lines from a tilting direction. When the microsurface was modified with a layer of nanowire, the surface wettability was found to be isotropic and superhydrophobic.
ISSN 0743-7463
Language English
Format Article
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