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Salvinia-like slippery surface with stable and mobile water/air contact line
Superhydrophobic surfaces are widely used in many industrial settings, and mainly consist of rough solid protrusions that entrap air to minimize the liquid/solid area. The stability of the superhydrophobic state favors relatively small spacing between protrusions. However, this in turn increases the...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Oxford University Press
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8288347/ https://www.ncbi.nlm.nih.gov/pubmed/34691630 http://dx.doi.org/10.1093/nsr/nwaa153 |
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author | Li, Xiaomei Yang, Jinlong Lv, Kaixuan Papadopoulos, Periklis Sun, Jing Wang, Dehui Zhao, Yanhua Chen, Longquan Wang, Dapeng Wang, Zuankai Deng, Xu |
author_facet | Li, Xiaomei Yang, Jinlong Lv, Kaixuan Papadopoulos, Periklis Sun, Jing Wang, Dehui Zhao, Yanhua Chen, Longquan Wang, Dapeng Wang, Zuankai Deng, Xu |
author_sort | Li, Xiaomei |
collection | PubMed |
description | Superhydrophobic surfaces are widely used in many industrial settings, and mainly consist of rough solid protrusions that entrap air to minimize the liquid/solid area. The stability of the superhydrophobic state favors relatively small spacing between protrusions. However, this in turn increases the lateral adhesion force that retards the mobility of drops. Here we propose a novel approach that optimizes both properties simultaneously. Inspired by the hydrophobic leaves of Salvinia molesta and the slippery Nepenthes pitcher plants, we designed a Salvinia-like slippery surface (SSS) consisting of protrusions with slippery heads. We demonstrate that compared to a control surface, the SSS exhibits increased stability against pressure and impact, and enhanced lateral mobility of water drops as well as reduced hydrodynamic drag. We also systematically investigate the wetting dynamics on the SSS. With its easy fabrication and enhanced performance, we envision that SSS will be useful in a variety of fields in industry. |
format | Online Article Text |
id | pubmed-8288347 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Oxford University Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-82883472021-10-21 Salvinia-like slippery surface with stable and mobile water/air contact line Li, Xiaomei Yang, Jinlong Lv, Kaixuan Papadopoulos, Periklis Sun, Jing Wang, Dehui Zhao, Yanhua Chen, Longquan Wang, Dapeng Wang, Zuankai Deng, Xu Natl Sci Rev Materials Science Superhydrophobic surfaces are widely used in many industrial settings, and mainly consist of rough solid protrusions that entrap air to minimize the liquid/solid area. The stability of the superhydrophobic state favors relatively small spacing between protrusions. However, this in turn increases the lateral adhesion force that retards the mobility of drops. Here we propose a novel approach that optimizes both properties simultaneously. Inspired by the hydrophobic leaves of Salvinia molesta and the slippery Nepenthes pitcher plants, we designed a Salvinia-like slippery surface (SSS) consisting of protrusions with slippery heads. We demonstrate that compared to a control surface, the SSS exhibits increased stability against pressure and impact, and enhanced lateral mobility of water drops as well as reduced hydrodynamic drag. We also systematically investigate the wetting dynamics on the SSS. With its easy fabrication and enhanced performance, we envision that SSS will be useful in a variety of fields in industry. Oxford University Press 2020-07-02 /pmc/articles/PMC8288347/ /pubmed/34691630 http://dx.doi.org/10.1093/nsr/nwaa153 Text en © The Author(s) 2020. Published by Oxford University Press on behalf of China Science Publishing & Media Ltd. https://creativecommons.org/licenses/by/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Materials Science Li, Xiaomei Yang, Jinlong Lv, Kaixuan Papadopoulos, Periklis Sun, Jing Wang, Dehui Zhao, Yanhua Chen, Longquan Wang, Dapeng Wang, Zuankai Deng, Xu Salvinia-like slippery surface with stable and mobile water/air contact line |
title |
Salvinia-like slippery surface with stable and mobile water/air contact line |
title_full |
Salvinia-like slippery surface with stable and mobile water/air contact line |
title_fullStr |
Salvinia-like slippery surface with stable and mobile water/air contact line |
title_full_unstemmed |
Salvinia-like slippery surface with stable and mobile water/air contact line |
title_short |
Salvinia-like slippery surface with stable and mobile water/air contact line |
title_sort | salvinia-like slippery surface with stable and mobile water/air contact line |
topic | Materials Science |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8288347/ https://www.ncbi.nlm.nih.gov/pubmed/34691630 http://dx.doi.org/10.1093/nsr/nwaa153 |
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