School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, Southwest University, Chongqing 400715, China; Department of Materials Engineering, KU Leuven, 3001 Leuven, Belgium; Transfers, Interfaces and Processes, Université libre de Bruxelles, 1050 Bruxelles, Belgium.
School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, Southwest University, Chongqing 400715, China.
Adv Colloid Interface Sci. 2023 Mar;313:102861. doi: 10.1016/j.cis.2023.102861. Epub 2023 Feb 21.
Dynamic wetting is a ubiquitous phenomenon and frequently observed in our daily life, as exemplified by the famous lotus effect. It is also an interfacial process of upmost importance involving many cutting-edge applications and has hence received significantly increasing academic and industrial attention for several decades. However, we are still far away to completely understand and predict wetting dynamics for a given system due to the complexity of this dynamic process. The physics of moving contact lines is mainly ascribed to the full coupling with the solid surface on which the liquids contact, the atmosphere surrounding the liquids, and the physico-chemical characteristics of the liquids involved (small-molecule liquids, metal liquids, polymer liquids, and simulated liquids). Therefore, to deepen the understanding and efficiently harness wetting dynamics, we propose to review the major advances in the available literature. After an introduction providing a concise and general background on dynamic wetting, the main theories are presented and critically compared. Next, the dynamic wetting of various liquids ranging from small-molecule liquids to simulated liquids are systematically summarized, in which the new physical concepts (such as surface segregation, contact line fluctuations, etc.) are particularly highlighted. Subsequently, the related emerging applications are briefly presented in this review. Finally, some tentative suggestions and challenges are proposed with the aim to guide future developments.
动态润湿是一种普遍存在的现象，在我们的日常生活中经常观察到，例如著名的莲花效应。它也是一个极其重要的界面过程，涉及许多前沿应用，因此几十年来一直受到学术界和工业界的高度关注。然而，由于这个动态过程的复杂性，我们仍然远未完全理解和预测给定系统的润湿动力学。移动接触线的物理特性主要归因于与液体接触的固体表面、液体周围的大气以及所涉及的液体的物理化学特性（小分子液体、金属液体、聚合物液体和模拟液体）的完全耦合。因此，为了加深对润湿动力学的理解并有效地利用它，我们建议回顾现有文献中的主要进展。在简要介绍动态润湿的简明一般背景后，提出并批判性地比较了主要理论。接下来，系统地总结了从小分子液体到模拟液体的各种液体的动态润湿，特别强调了新的物理概念（如表面偏析、接触线波动等）。随后，在这篇综述中简要介绍了相关的新兴应用。最后，提出了一些试探性的建议和挑战，旨在指导未来的发展。
