Patterned Superhydrophobic Surfaces: Toward a Synthetic Mimic of the Namib Desert Beetle
Nano Letters2006Vol. 6(6), pp. 1213–1217
Citations Over TimeTop 1% of 2006 papers
Lei Zhai, Michael C. Berg, Fevzi Çakmak Cebeci, Yushan Kim, John Miles Milwid, Michael F. Rubner, Robert E. Cohen
Abstract
The present study demonstrates a surface structure that mimics the water harvesting wing surface of the Namib Desert beetle. Hydrophilic patterns on superhydrophobic surfaces were created with water/2-propanol solutions of a polyelectrolyte to produce surfaces with extreme hydrophobic contrast. Selective deposition of multilayer films onto the hydrophilic patterns introduces different properties to the area including superhydrophilicity. Potential applications of such surfaces include water harvesting surfaces, controlled drug release coatings, open-air microchannel devices, and lab-on-chip devices.
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