Nanosecond laser interference ablation of fluorine-free aluminum alloy surfaces for dynamic adhesion and static wettability synergistically modulating water collection

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2024-11-04 DOI:10.1016/j.colsurfa.2024.135696

Dongdong Liu , Ri Liu , Liang Cao , Peter Bryanston-Cross , Zhibo Zhang , Zuobin Wang

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Abstract

Water collection from mist is a potential solution to water scarcity, which is a critical issue worldwide. In this paper, laser interference ablation assisted with stearic acid immersion has been used to achieve synergistic modulation of dynamic adhesion and static wettability for water collection on fluorine-free aluminum alloy surface. The research demonstrates that there is an optimal balance point between dynamic adhesion and static wettability for water collection. This optimal point shifts toward low dynamic adhesion at the high misting rate due to the flooding on metastable surfaces with high dynamic adhesion. In addition, wetting transition induced by tilting is observed on metastable surfaces. The good stability of the proposed fluorine-free surface has been demonstrated by the long-term water collection and long periods of immersion in water. This work can provide theoretical inspiration and a scalable preparation method for green and stable water collection strategies.

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纳秒激光干涉烧蚀无氟铝合金表面，使动态附着力和静态润湿性协同调节集水量

从水雾中收集水源是解决全球水资源短缺这一关键问题的潜在方法。本文利用激光干涉烧蚀技术辅助硬脂酸浸泡，实现了动态附着力和静态润湿性的协同调节，从而在无氟铝合金表面实现水收集。研究表明，动态附着力和静态润湿性之间存在一个最佳平衡点。这个最佳平衡点在高雾化速率时会向低动态附着力方向移动，原因是高动态附着力的新陈代谢表面会被水淹没。此外，在可变表面上还观察到了由倾斜引起的润湿转变。通过长期集水和长时间浸泡在水中，证明了所提出的无氟表面具有良好的稳定性。这项工作可为绿色稳定的集水策略提供理论启发和可扩展的制备方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.