Robust superhydrophobicity: mechanisms and strategies,Chemical Society Reviews

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Robust superhydrophobicity: mechanisms and strategies
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2021-2-8 , DOI: 10.1039/d0cs00751j
Wenluan Zhang _{1,

2,

3,

4,

5} , Dehui Wang _{1,

2,

3,

4} , Zhengnan Sun _{1,

2,

3,

4} , Jianing Song _{1,

2,

3,

4} , Xu Deng _{1,

2,

3,

4,

6}

Affiliation

Superhydrophobic surfaces hold great prospects for extremely diverse applications owing to their water repellence property. The essential feature of superhydrophobicity is micro-/nano-scopic roughness to reserve a large portion of air under a liquid drop. However, the vulnerability of the delicate surface textures significantly impedes the practical applications of superhydrophobic surfaces. Robust superhydrophobicity is a must to meet the rigorous industrial requirements and standards for commercial products. In recent years, major advancements have been made in elucidating the mechanisms of wetting transitions, design strategies and fabrication techniques of superhydrophobicity. This review will first introduce the mechanisms of wetting transitions, including the thermodynamic stability of the Cassie state and its breakdown conditions. Then we highlight the development, current status and future prospects of robust superhydrophobicity, including characterization, design strategies and fabrication techniques. In particular, design strategies, which are classified into passive resistance and active regeneration for the first time, are proposed and discussed extensively.

中文翻译：

强大的超疏水性：机理和策略

超疏水表面由于具有疏水性，因此具有极为广阔的应用前景。超疏水性的本质特征是微观/纳米粗糙度，可在液滴下保留大部分空气。然而，脆弱的表面纹理的脆弱性极大地阻碍了超疏水性表面的实际应用。要满足严格的工业要求和商业产品标准，必须具有强大的超疏水性。近年来，在阐明润湿转变的机理，超疏水性的设计策略和制造技术方面取得了重大进展。本文将首先介绍润湿转变的机理，包括卡西态的热力学稳定性及其分解条件。然后，我们重点介绍了强超疏水性的发展，现状和未来前景，包括特性，设计策略和制造技术。特别是，首次提出并广泛讨论了设计策略，这些策略首次被分为被动电阻和主动再生。

更新日期：2021-02-08

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