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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c01063
|2 doi
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|a pubmed25n1093.xml
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|a eng
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| 100 |
1 |
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|a Zhang, Peixin
|e verfasserin
|4 aut
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| 245 |
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|a Drops Sliding on Non-SLIPS Structures
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 03.08.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Inspired by a plant leaf, a slippery liquid-infused porous surface (SLIPS) exhibits attractive nonwetting and self-cleaning abilities. However, rigorous requirements for the infused liquid layer and its inevitable loss limit its practical use. Here, we propose a model structure defined as a non-SLIPS by introducing solid nanostructures covered with a discontinuous lubricant film. This non-SLIPS tuned by solid wettability achieves the excellent self-cleaning feature with a small sliding angle comparable to the counterpart of a typical SLIPS. This sliding angle α* can be further reduced to a saturated plateau by a slight enhancement of hydrophobicity of the solid nanostructures. Interestingly, the sliding velocity remains almost constant for all of these non-SLIPS samples at a given tilt angle, independent of solid wettability. We formulate the slippery mechanism by defining an energy barrier responsible for the sliding initiation on the non-SLIPS. This energy barrier of the non-SLIPS is correlated, with a qualitative agreement, to the molecular adsorption on the solid nanostructures. The antibiological contamination is confirmed for this non-SLIPS, indicating its excellent self-cleaning ability. The findings suggest that the new surfaces, even with the gradual depletion of the infused oil layer, exhibit the nondegradation of the self-cleaning performance
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|a Journal Article
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|a Liu, Yanan
|e verfasserin
|4 aut
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| 700 |
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|a Liao, Chunyan
|e verfasserin
|4 aut
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| 700 |
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|a Luo, Hao
|e verfasserin
|4 aut
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| 700 |
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|a Jing, Guangyin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 37(2021), 30 vom: 03. Aug., Seite 9053-9058
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
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|g volume:37
|g year:2021
|g number:30
|g day:03
|g month:08
|g pages:9053-9058
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|u http://dx.doi.org/10.1021/acs.langmuir.1c01063
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