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首页> 外文期刊>RSC Advances >A review of femtosecond laser-structured superhydrophobic or underwater superoleophobic porous surfaces/materials for efficient oil/water separation
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A review of femtosecond laser-structured superhydrophobic or underwater superoleophobic porous surfaces/materials for efficient oil/water separation

机译：飞秒激光结构超疏水或水下超疏油多孔表面/材料的有效油水分离研究进展

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摘要

Oil/water separation (OWS) technology has become an increasingly crucial tool to protect the environment and reduce the economic losses caused by the discharge of oily wastewater and oil spills. Recently, porous materials with superwettability have been applied in effective OWS and have achieved tremendous success. Herein, we review recent advancements of OWS utilizing femtosecond (fs) laser-structured superhydrophobic or underwater superoleophobic porous materials. We will review the enabling materials processing and treatment methods, their surface wettability, the separating methods and processes, and the separation mechanisms. Inspired by lotus leaves and fish scales, superhydrophobic and underwater superoleophobic properties are artificially achieved on substrate surfaces by fs laser processing. By using fs laser-structured superwetting porous materials, various oil/water mixtures (OWMs) are successfully separated through different separation methods. Presently, the research of fs laser-based OWS is still in its infancy. We will also discuss the current challenges and future prospects in this emerging field. It is expected that the advanced features of fs laser microfabrication will lead to exciting applications for OWS.
机译：油/水分离（OWS）技术已成为保护环境并减少因排放含油废水和溢油而造成的经济损失的日益重要的工具。近来，具有超润湿性的多孔材料已被用于有效的OWS中并获得了巨大的成功。在本文中，我们回顾了利用飞秒（fs）激光结构的超疏水或水下超疏油多孔材料开发的OWS的最新进展。我们将审查辅助材料的加工和处理方法，其表面润湿性，分离方法和工艺以及分离机理。受荷叶和鱼鳞的启发，通过fs激光加工可以在基材表面上人工实现超疏水和水下超疏油性能。通过使用fs激光结构的超湿多孔材料，可以通过不同的分离方法成功分离出各种油/水混合物（OWM）。目前，基于fs激光的OWS的研究仍处于起步阶段。我们还将讨论这个新兴领域的当前挑战和未来前景。预计fs激光微加工的先进功能将导致OWS的激动人心的应用。

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