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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c02658
|2 doi
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|a pubmed24n1162.xml
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|a (DE-627)NLM348908768
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|a (NLM)36377419
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Zhonggang
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Fresnel Diffraction Strategy Enables the Fabrication of Flexible Superomniphobic Surfaces
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 29.11.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Doubly re-entrant surfaces inspired by springtails exhibit excellent repellency to low-surface-tension liquid. However, the flexible doubly re-entrant surfaces are difficult to fabricate, especially for the overhang of the structure. Herein, we demonstrate a simple Fresnel aperture diffraction modulation strategy in microscale lithography coupled with a molding process to obtain the flexible doubly re-entrant superomniphobic surfaces with nanoscale overhangs. The negative nanoscale overhang features were formed in a single-layer photoresist due to the fine-modulation of the optical intensity fluctuation of the Fresnel aperture diffraction. The as-prepared flexible non-fluorinated polydimethylsiloxane (PDMS) doubly re-entrant microstructure based on the Fresnel aperture diffraction (D-BF) surface (without any additional treatments) could repel ethanol droplets (21.8 mN m-1) in the Cassie-Baxter state. The robust nanoscale overhangs obtained by the molding process enable the maximum breakthrough pressure for the low-surface-tension ethanol droplets on the D-BF surfaces up to about 230 Pa, allowing ethanol liquids with Weber numbers up to 8.7 to fully bounce off. The fabricated non-fluorinated D-BF superomniphobic surface maintains outstanding liquid repellency after the surface wettability modification and deformation test
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|a Journal Article
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1 |
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|a Pei, Guangyao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Keli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pang, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ye, Tao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Binghe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Jian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deng, Jinjun
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 47 vom: 29. Nov., Seite 14508-14516
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:38
|g year:2022
|g number:47
|g day:29
|g month:11
|g pages:14508-14516
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|u http://dx.doi.org/10.1021/acs.langmuir.2c02658
|3 Volltext
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