Sliding of Water Droplets on the Superhydrophobic Surface with ZnO Nanorods†Part of the “Langmuir 25th Year: Wetting and superhydrophobicity” special issue.
Langmuir2009Vol. 25(24), pp. 14182–14186
Citations Over TimeTop 10% of 2009 papers
Munetoshi Sakai, Hiroki Kono, Akira Nakajima, Xintong Zhang, Hideki Sakai, Masahiko Abe, Akira Fujishima
Abstract
In this study, we prepared various superhydrophobic surfaces using ZnO nanorod arrays (ZnO-NR) of different diameters. The contact angle was equivalent to the calculated value if it is assuming that the topmost surface of the rods is a solid−liquid contact area. On the superhydrophobic ZnO-NR surfaces, the 5 μL water droplets slid down by constant acceleration motion. Sliding acceleration was governed by the solid area fraction. The resistance force of the actual measurement was consistent with that calculated using the model.
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