期刊
APPLIED SURFACE SCIENCE
卷 534, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2020.147576
关键词
Direct laser interference lithography; Hydrothermal treatment; Ti6Al4V; Superhydrophobic; Anti-icing
类别
资金
- National Key RAMP
- D Program of China [2016YFE0112100]
- European Horizon 2020 Program [644971, 767285]
- National Natural Science Foundation Program of China [11504030]
- Jilin Provincial Science and Technology Program [20200901011SF, 20180414002GH, 20180414081GH, 20190702002GH]
- 111 Project of China [D17017]
Nature gives us a large number of inspirations in designing functional materials. Many plant leaves with self-cleaning properties are ubiquitous in nature. These plants have hierarchical structures, which have extreme repellency to liquids and have considerable technical potential in various applications. Herein, we present a method for fabricating bionic taro leaf surfaces by direct laser interference lithography (DLIL) and hydrothermal treatment. The micro-pillar array structure (MPA) was fabricated by DLIL, and a layer of nano-grass structure (NG) was grown on it by hydrothermal treatment. Experiments indicate that the hierarchical composite structures not only have a satisfactory superhydrophobic function with the apparent contact angle (CA) of 172 degrees and sliding angle (SA) of 4 degrees, but also have a strong anti-icing ability with the delay time (DT) of 3723 s. The method is simple and high-efficient for fabricating bionic self-cleaning and anti-icing surfaces.
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