Stable Biomimetic Super-Hydrophobic Engineering Materials
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- 25 October 2005
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 127 (45) , 15670-15671
- https://doi.org/10.1021/ja0547836
Abstract
We describe a simple and inexpensive method to produce super-hydrophobic surfaces on aluminum and its alloy by oxidation and chemical modification. Water or aqueous solutions (pH = 1−14) have contact angles of 168 ± 2 and 161 ± 2° on the treated surfaces of Al and Al alloy, respectively. The super-hydrophobic surfaces are produced by the cooperation of binary structures at micro- and nanometer scales, thus reducing the energies of the surfaces. Such super-hydrophobic properties will greatly extend the applications of aluminum and its alloy as lubricating materials.Keywords
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