激光驱动的有机涂层，用于可持续的无pfas金属表面

IF 2 Q3 ENGINEERING, MANUFACTURING

Manufacturing Letters Pub Date : 2025-06-13 DOI:10.1016/j.mfglet.2025.06.198

Mohammad Mohammadzadeh Sanandaji, Rahat Mollick, Albert Ratner, Hongtao Ding

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引用次数: 0

摘要

本研究提出了一种激光有机涂层（LASEO）方法，该方法将激光纹理与凝胶状碳点（G-CD）处理相结合，开发了一种不含pfas的金属表面替代品。在这种方法中，纳秒激光诱导的微/纳米结构增强了涂层的附着力，而G-CD涂层提供了持久的超亲水性甚至超排芯行为。实验结果表明，经过laseo处理的表面在30天内保持了低于10°的水接触角，优于传统的亲水涂层。这种可扩展的技术有望应用于流体输送和热管理，为基于pfas的涂层提供可持续的替代品。

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Laser-enabled organic coating for sustainable PFAS-free metal surfaces

This study presents a laser-enabled organic coating (LASEO) approach that integrates laser texturing with gel-like carbon dot (G-CD) treatment to develop a PFAS-free alternative for metal surfaces. In this method, nanosecond laser-induced micro/nanostructures enhance coating adhesion, while the G-CD coating provides durable superhydrophilicity and even superwicking behavior. Experimental results show that LASEO-treated surfaces maintain a water contact angle below 10° for over 30 days, outperforming conventional hydrophilic coatings. This scalable technique holds promise for applications in fluid transport and thermal management, offering a sustainable alternative to PFAS-based coatings.

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