Abstract:

In recent years, superamphiphobic surfaces have attracted widespread attention in various fields, surpassing superhydrophobic and superoleophobic. Expect for the micronano rough structure and the long chain fluorosilanes with low surface energy, it is necessary to design concave-curved surfaces (i.e. re-entrant structures) in micronano rough structure for the construction of superamphiphobic surface. This design allows more air to be stored, further supporting the liquid and achieving the hydrophobic behavior of liquids with low surface energy. According to the different application scenarios, this review firstly described and compared the current status of under-liquid superamphiphobic, under-air superhydrophobic/under-liquid superoleophobic and under-air superamphiphobic surfaces, including their respective advantage limitations. Then, the fabrication methods, research progress and their influence on the liquid repellency behavior of T-shaped re-entrants, double re-entrants, mushroom-shaped re-entrants and trapezoidal concave re-entrants were summarized. Finally, the challenges associated with superamphiphobic surfaces were discussed along with their future development directions, providing valuable insights for the research in this field.

Key words: surface, superamphiphobic, re-entrant structures, lyophobic properties, hierarchical micro/nanostructures

摘要：

近年来，相较于超疏水和超疏油而言，超双疏表面的发展得到了研究者的广泛青睐。超双疏表面的构建除需要微纳粗糙结构和具有低表面能的长链含氟硅烷外，还需要在微纳粗糙结构中引入凹曲面即重入结构，以储存更多的空气，从而更好地支撑液体，实现对低表面能液体的疏液行为。基于此，本文首先根据应用场景的不同，对液下超双疏、空气超疏水/水下超疏油和空气超双疏三种超双疏表面进行了总结与对比，包括其各自优势和局限性。其次，重点归纳了超双疏表面重入结构中T形、双重、蘑菇形、梯形凹口等重入结构的制备方法、研究进展及其对疏液行为的影响。最后，阐述了现有超双疏表面存在的问题，并对其未来发展方向进行了展望，为推进超双疏表面研究提供参考。

关键词: 表面, 超双疏, 重入结构, 疏液性能, 微纳粗糙结构