Research advances and future perspectives of biomimetic superhydrophobic wood based on fractal theory

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science Pub Date : 2025-06-05 DOI:10.1016/j.cis.2025.103567

Kangkang Zhang , Chenyang Fan , Lin Liu , Xian Wang , Chunwang Yang , Huajie Shen , Long Liu , Huan Zhou , Video Sivilay , Ning Li , Jun Li , Buapan Puangsin , Yushan Yang , Jian Qiu

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Abstract

The development of biomimetic superhydrophobic wood offers hold significant promise for diverse applications. However, challenges remain in the understanding the wetting theory of superhydrophobic surfaces, the physicochemical mechanisms underlying wetting behaviors, and the directional design and performance modulation of these surfaces for intelligent biomimetic superhydrophobic wood applications. This review elucidates fundamental theories for designing superhydrophobic wood and examines the role of multiscale roughness architectures in optimizing nonwetting solid surfaces. Key theoretical frameworks discussed include Young's equation, Wenzel's equation, and Cassie-Baxter's equation, as well as phenomena such as contact angle hysteresis, sinusoidal structures, flat-topped columns, triple Koch curves, along with their corresponding topologies and fractal dimensions. The derivation of intrinsic contact angles and free energy changes is explored through fractal theory and hydrophobic and hydromorphic surfaces contact angle formulae, systematically elucidating the influence of surface microstructure geometry on thermodynamic free energy calculations. Simultaneously, this review covers methodologies for multifunctional modification of wood surfaces to achieve biomimetic superhydrophobicity via physical, chemical, and physicochemical methods. Subsequently, it summarizes the incorporation of nanoparticles into superhydrophobic systems for the enhancement of wood surface functionalities, including abrasion and liquid corrosion resistance, as well as magnetic repulsion. Ultimately, this review emphasizes the integration of fractal theory into the analysis of superhydrophobic surface wettability to quantify and resolve the intricate relationship between surface roughness and wettability. This facilitating the optimization of designs and preparation techniques for superhydrophobic wood surfaces, enhancing mechanical stability and durability.

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基于分形理论的仿生超疏水木材研究进展及展望

仿生超疏水木材的开发具有广阔的应用前景。然而，在理解超疏水表面的润湿理论、润湿行为的物理化学机制以及这些表面的定向设计和性能调节方面仍然存在挑战，这些表面用于智能仿生超疏水木材的应用。本文阐述了设计超疏水木材的基本理论，并探讨了多尺度粗糙度结构在优化非润湿固体表面中的作用。讨论的主要理论框架包括Young方程、Wenzel方程和Cassie-Baxter方程，以及接触角滞后、正弦结构、平顶柱、三重Koch曲线及其相应的拓扑和分形维数等现象。通过分形理论和疏水、亲水表面接触角公式，探讨了本征接触角和自由能变化的推导，系统地阐明了表面微观结构几何形状对热力学自由能计算的影响。同时，本文综述了通过物理、化学和物理化学方法对木材表面进行多功能改性以实现仿生超疏水性的方法。随后，它总结了纳米颗粒加入到超疏水系统中，以增强木材表面功能，包括耐磨性和耐液体腐蚀性，以及磁斥力。最后，本文强调将分形理论整合到超疏水表面润湿性分析中，以量化和解决表面粗糙度与润湿性之间的复杂关系。这有利于超疏水木材表面设计和制备技术的优化，提高机械稳定性和耐久性。

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

Advances in Colloid and Interface Science 化学-物理化学

CiteScore

28.50

自引率

2.60%

发文量

175

审稿时长

31 days

期刊介绍： "Advances in Colloid and Interface Science" is an international journal that focuses on experimental and theoretical developments in interfacial and colloidal phenomena. The journal covers a wide range of disciplines including biology, chemistry, physics, and technology. The journal accepts review articles on any topic within the scope of colloid and interface science. These articles should provide an in-depth analysis of the subject matter, offering a critical review of the current state of the field. The author's informed opinion on the topic should also be included. The manuscript should compare and contrast ideas found in the reviewed literature and address the limitations of these ideas. Typically, the articles published in this journal are written by recognized experts in the field.