期刊
MATERIALS LETTERS
卷 196, 期 -, 页码 115-118出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.03.024
关键词
Multi-scale; Nanoparticles; Electrophoretic deposition; Superhydrophobicity; Mechanical durability
资金
- Natural Science Fund [51574048, 41672292, 51604044]
- Chongqing Science and Technology Commission [cstc2015jcyjA90011]
- Fundamental Research Funds for the Central Universities [106112016CDJZR245518]
In this study, we reported a new method to fabricate superhydrophobic Al films by combination of HCl/H2O2 etching and electrophoretic deposition process. Through this two-step method, multi-scale hierarchical structures were successfully introduced on the surface. After hydrophobization, the resultant surface showed an excellent superhydrophobicity with a water contact angle of 169.6 degrees and a sliding angle of ca. 1 degrees. Furthermore, the surface exhibited excellent mechanical durability and could withstand abrasion tests under 8 kPa for 60 cm without losing superhydrophobicity. It also maintained superhydrophobicity when exposed to air or water for a long-term period. This work provides a cost efficient method to prepare mechanically robust and stable superhydrophobic Al alloy surface. (C) 2017 Elsevier B.V. All rights reserved.
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