Wetting behavior on hexagonally close-packed polystyrene bead arrays with different topographies.

Park, Yi-Seul; Yoon, Seo Young; Lee, Jin Seok · Soft Matter · 2016

basic_science · Level V

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Abstract

Herein, we investigated the wetting behavior of hexagonally close-packed polystyrene bead arrays with different bead diameters and surface flatness. The contact angle was found to be influenced by the surface roughness as well as the contact area of the polystyrene bead array with a water droplet.