期刊
OPTICS AND LASER TECHNOLOGY
卷 146, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2021.107593
关键词
Fog harvesting; Femtosecond laser; Superhydrophobic; Desert beetle
资金
- National Science Foundation of Chin
The paper described a method of directly constructing hybrid superhydrophobic/hydrophilic micro-patterns on Ti surfaces using femtosecond laser microfabrication, which significantly improved the water-collection efficiency of the Ti surface, with fast processing speed and no need for chemical modification. It provides a novel strategy for ameliorating water shortage in the future.
In this paper, we directly built hybrid superhydrophobic/hydrophilic micro-patterns on Ti surfaces via femtosecond laser microfabrication. After dark storage, superhydrophobic TiO2 micro/nanostructures were formed on laser-scanned areas while un-scanned areas remained intrinsic hydrophilicity. The as-prepared Ti surface enhanced the water-collection efficiency by nearly 100% compared to the untreated one. Furthermore, the femtosecond laser direct weaved micro-pattern exhibited a fast processing speed and the whole process did not need any chemical modification. Our study provides a novel strategy to ameliorate the water shortage in the future.
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