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Bioinspired Superspreading Surface: From Essential Mechanism to Application
Accounts of Chemical Research ( IF 18.3 ) Pub Date : 2022-05-15 , DOI: 10.1021/acs.accounts.2c00042
Weining Miao 1, 2 , Ye Tian 1, 2 , Lei Jiang 1, 2, 3
Affiliation  

The dynamic behavior of liquids on surfaces is ubiquitous in nature and has aroused wide attention from researchers. Among them, the superspreading surface has been extensively investigated and applied in areas ranging from film fabrication to antibiofouling, separation, etc. However, the traditional equilibrium contact angle (CA) at the thermodynamic steady-state cannot completely depict the dynamic spreading process of liquids, because the performance of these surfaces is controlled not only by the final steady superhydrophilicity (CA < 5°) but also by the superspreading speed of liquids with a CA of ∼0°. Moreover, as the most basic prerequisite for superspreading, the long-held intrinsic wetting threshold (IWT) of 90°, which divides hydrophobic and hydrophilic surfaces, is also controversial.

中文翻译:

Bioinspired Superspreading Surface:从基本机制到应用

液体在表面的动态行为在自然界中无处不在,引起了研究人员的广泛关注。其中,超级扩散表面已被广泛研究并应用于从薄膜制造到抗生物污染、分离等领域。然而,传统的热力学稳态平衡接触角(CA)并不能完全描述液体的动态扩散过程。 ,因为这些表面的性能不仅受最终稳定的超亲水性(CA < 5°)的控制,而且还受 CA 为 ~0° 的液体的超扩散速度控制。此外,作为超级铺展最基本的先决条件,长期保持的 90° 固有润湿阈值 (IWT) 也存在争议,该阈值将疏水表面和亲水表面分开。
更新日期:2022-05-15
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