Design of Lubricant-Infused Surfaces Based on Mussel-Inspired Nanosilica Coatings : Solving Adhesion by Pre-Adhesion

Slippery liquid-infused porous surfaces (SLIPSs) have attracted wide interest with regard to their excellent liquid repellency properties and broad applications in various fields associated with anti-adhesion. However, the preparation processes depending on the chemical properties of the substrate a...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 37(2021), 36 vom: 14. Sept., Seite 10708-10719
1. Verfasser: Li, Rishun (VerfasserIn)
Weitere Verfasser: Zhao, Lizhi, Yao, Anfeng, Si, Didi, Shang, Yanlong, Ding, Xiaoli, An, Huiqin, Ye, Hui, Zhang, Yuzhong, Li, Hong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Lubricants Silicon Dioxide 7631-86-9
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520 |a Slippery liquid-infused porous surfaces (SLIPSs) have attracted wide interest with regard to their excellent liquid repellency properties and broad applications in various fields associated with anti-adhesion. However, the preparation processes depending on the chemical properties of the substrate and the poor stability of the lubricant layer hinder the practical applications. In this work, a facile method to fabricate SLIPSs based on the mussel-inspired polydopamine (PDA)-mediated nanosilica structures is demonstrated. A variety of substrates can be decorated with SLIPSs by successive treatment of PDA-assisted sol-gel process, fluorination, and lubricant filling. The robust uniform and nanotextured silica coating, mediated by the pre-adhered PDA layer, shows enhanced lubricant-locking ability even when subjected to increased evaporation and high shear from flowing water or spinning compared with hierarchical silica rough structures. The obtained SLIPSs exhibit high transparency and excellent resistance against adhesion of liquid/solid contaminants and biofoulings through this pre-adhesion of PDA strategy. The well-defined nanosilica coating of high decoration covering micron-scaled pore walls enables improved durability of the slippery surfaces for antifouling of the porous membrane under pressure-driven filtration and this may be employed as a potential candidate for fouling resistance of porous materials 
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650 7 |a Silicon Dioxide  |2 NLM 
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700 1 |a Zhao, Lizhi  |e verfasserin  |4 aut 
700 1 |a Yao, Anfeng  |e verfasserin  |4 aut 
700 1 |a Si, Didi  |e verfasserin  |4 aut 
700 1 |a Shang, Yanlong  |e verfasserin  |4 aut 
700 1 |a Ding, Xiaoli  |e verfasserin  |4 aut 
700 1 |a An, Huiqin  |e verfasserin  |4 aut 
700 1 |a Ye, Hui  |e verfasserin  |4 aut 
700 1 |a Zhang, Yuzhong  |e verfasserin  |4 aut 
700 1 |a Li, Hong  |e verfasserin  |4 aut 
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