Durable Super-repellent Surfaces: From Solid–Liquid Interaction to Applications,Accounts of Materials Research

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Durable Super-repellent Surfaces: From Solid–Liquid Interaction to Applications
Accounts of Materials Research ( IF 14.0 ) Pub Date : 2021-09-15 , DOI: 10.1021/accountsmr.1c00147
Fanfei Yu _{1,

2} , Dehui Wang _{1,

2} , Jinlong Yang _{1,

3} , Wenluan Zhang ₁ , Xu Deng ₁

Affiliation

A super-repellent surface is a type of liquid-repellency material that allows for various liquid drops to bead up, roll off, or even bounce back. Known for its ability to remain dry, perform self-cleaning, and have a low adhesion, a super-repellent surface presents great advantages in a number of applications. These include antifogging, anti-icing, oil/water separation, and fluid drag reduction. To fend off the liquids or drops, super-repellent surfaces combine the merits of surface chemistry and physical structure. By taking advantage of a low surface energy to prevent liquid from spreading, the super-repellent surfaces utilize the micronano structure to provide a framework that confines the solid–liquid interactions. Compared to beading up the drop of water, the repellence of liquid with low surface tension requires the subtle design of surface structure to resist the wetting of liquids. However, the inherent instabilities of the fragile micronano structure of super-repellent surfaces and solid–liquid interactions further make the fabrication of super-repellent surfaces complex to withstand dynamic environments (friction or wear) during application. In addition, the transparency and thermal stability of super-repellent surfaces are also the restrictive factors in some special application scenarios. To solve these challenges, durable super-repellent surfaces that can repel various liquids, possess robust mechanical and thermal stability, and show high transparency have been explored extensively in recent years.

中文翻译：

耐用的超疏水表面：从固液相互作用到应用

超拒水表面是一种拒水材料，可以让各种液滴成珠、滚落甚至反弹。以其保持干燥、执行自清洁和低附着力的能力而闻名，超防水表面在许多应用中具有巨大的优势。这些包括防雾、防冰、油/水分离和流体减阻。为了抵御液体或液滴，超疏水表面结合了表面化学和物理结构的优点。通过利用低表面能来防止液体扩散，超疏水表面利用微纳米结构提供限制固液相互作用的框架。比起一滴一滴的水珠，低表面张力液体的排斥性需要表面结构的微妙设计以抵抗液体的润湿。然而，超疏水表面脆弱的微纳米结构和固液相互作用的固有不稳定性进一步使超疏水表面的制造变得复杂，无法承受应用过程中的动态环境（摩擦或磨损）。此外，超疏水表面的透明度和热稳定性也是一些特殊应用场景的限制因素。为了解决这些挑战，近年来人们广泛探索了能够排斥各种液体、具有强大的机械和热稳定性以及高透明度的耐用的超级排斥表面。超疏水表面的脆弱微纳米结构和固液相互作用的固有不稳定性进一步使超疏水表面的制造变得复杂，以承受应用过程中的动态环境（摩擦或磨损）。此外，超疏水表面的透明度和热稳定性也是一些特殊应用场景的限制因素。为了解决这些挑战，近年来人们广泛探索了能够排斥各种液体、具有强大的机械和热稳定性以及高透明度的耐用的超级排斥表面。超疏水表面的脆弱微纳米结构和固液相互作用的固有不稳定性进一步使超疏水表面的制造变得复杂，以承受应用过程中的动态环境（摩擦或磨损）。此外，超疏水表面的透明度和热稳定性也是一些特殊应用场景的限制因素。为了解决这些挑战，近年来人们广泛探索了能够排斥各种液体、具有强大的机械和热稳定性以及高透明度的耐用的超级排斥表面。超疏水表面的透明度和热稳定性也是一些特殊应用场景的限制因素。为了解决这些挑战，近年来人们广泛探索了能够排斥各种液体、具有强大的机械和热稳定性以及高透明度的耐用的超级排斥表面。超疏水表面的透明度和热稳定性也是一些特殊应用场景的限制因素。为了解决这些挑战，近年来人们广泛探索了能够排斥各种液体、具有强大的机械和热稳定性以及高透明度的耐用的超级排斥表面。

更新日期：2021-10-22

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