Directional Oil Sliding Surfaces with Hierarchical Anisotropic Groove Microstructures

Directional Oil Sliding Surfaces with Hierarchical Anisotropic Groove Microstructures

A robust directional oil sliding surface is presented by utilizing re‐entrant micro‐groove arrays inspired from the microgrooves of rice leaf. The overhang micro‐groove arrays are shown to provide two primary goals of “omniphobicty” and “anisotropic sliding” with DI water (γlv = 72.1 mN/m) as well a...

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Veröffentlicht in:Advanced materials (Weinheim) 2013-10, Vol.25 (40), p.5756-5761
Hauptverfasser: Kang, Seong Min, Lee, Chanseok, Kim, Hong Nam, Lee, Byung Jun, Lee, Ji Eun, Kwak, Moon Kyu, Suh, Kahp-Yang
Format: Artikel
Sprache:eng
Schlagworte:
anisotropic wetting
Anisotropy
oil sliding surfaces
overhang structures
rice leaf
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Zusammenfassung:A robust directional oil sliding surface is presented by utilizing re‐entrant micro‐groove arrays inspired from the microgrooves of rice leaf. The overhang micro‐groove arrays are shown to provide two primary goals of “omniphobicty” and “anisotropic sliding” with DI water (γlv = 72.1 mN/m) as well as mineral oil (γlv = 28 mN/m) and conventional photoresist.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201302083