期刊
MATERIALS LETTERS
卷 64, 期 24, 页码 2722-2724出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2010.09.010
关键词
One-step process; Superhydrophobicity; Copper surface; Water contact angle; Scanning electron microscopy; X-ray diffraction
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- REGAL
- UQAC
Superhydrophobic surfaces are conventionally prepared employing two steps: roughening a surface and lowering their surface energy. In the present work, a direct voltage (DC) is applied between two copper plates immersed in a dilute ethanolic stearic acid solution. The surface of the anodic copper electrode transforms to superhydrophobic due to a reaction between copper and stearic add solution. The fabrication process of superhydrophobic copper surfaces is simplified in just one-step. The surface of the anodic copper is found to be covered with flower-like low surface energy copper stearate films providing the water contact angle of 153 +/- 2 degrees with the roll-off properties. (C) 2010 Elsevier B.V. All rights reserved.
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