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Rapid fabrication of anti-corrosion and self-healing superhydrophobic aluminum surfaces through environmentally friendly femtosecond laser processing
G. Yuan,Y. Liu,C. V. Ngo and C. L. Guo
2020
Source PublicationOptics Express
ISSN1094-4087
Volume28Issue:24Pages:35636-35650
AbstractThe development of superhydrophobic metals has found many applications such as self-cleaning, anti-corrosion, anti-icing, and water transportation. Recently, femtosecond laser has been used to create nano/microstructures and wetting property changes. However, for some of the most common metals, such as aluminum, a relatively long aging process is required to obtain stable hydrophobicity. In this work, we introduce a combination of femtosecond laser ablation and heat treatment post-process, without using any harsh chemicals. We turn aluminum superhydrophobic within 30 minutes of heat treatment following femtosecond laser processing, and this is significantly shorter compared to conventional aging process of laser-ablated aluminum. The superhydrophobic surfaces maintain high contact angles greater than 160 degrees and low sliding angles smaller than 5 degrees over two months after the heat treatment. Moreover, the samples exhibit strong superhydrophobicity for various types of liquids (milk, coffee, CuPc, R6G, HCl, NaOH and CuCl2). The samples also show excellent self-healing and anti-corrosion properties. The mechanism for fast wettability conversion time is discussed. Our technique is a rapid process, reproducible, feasible for large-area fabrication, and environment-friendly. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.
DOI10.1364/oe.400804
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Indexed BySCI
Language英语
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Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/64825
Collection中国科学院长春光学精密机械与物理研究所
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GB/T 7714
G. Yuan,Y. Liu,C. V. Ngo and C. L. Guo. Rapid fabrication of anti-corrosion and self-healing superhydrophobic aluminum surfaces through environmentally friendly femtosecond laser processing[J]. Optics Express,2020,28(24):35636-35650.
APA G. Yuan,Y. Liu,C. V. Ngo and C. L. Guo.(2020).Rapid fabrication of anti-corrosion and self-healing superhydrophobic aluminum surfaces through environmentally friendly femtosecond laser processing.Optics Express,28(24),35636-35650.
MLA G. Yuan,Y. Liu,C. V. Ngo and C. L. Guo."Rapid fabrication of anti-corrosion and self-healing superhydrophobic aluminum surfaces through environmentally friendly femtosecond laser processing".Optics Express 28.24(2020):35636-35650.
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