Water-Assisted Programmable Assembly of Flexible and Self-Standing Janus Membranes
© 2023 The Authors. Advanced Science published by Wiley-VCH GmbH..
Janus membranes with asymmetric wettability have been considered cutting-edge for energy/environmental-sustainable applications like water/fog harvester, breathable skin, and smart sensor; however, technical challenges in fabrication and accurate regulation of asymmetric wettability limit their development. Herein, by using water-assisted hydrogen-bonded (H-bonded) assembly of small molecules at water/oil interface, a facile strategy is proposed for one-step fabrication of membranes with well-regulable asymmetric wettability. Asymmetric orderly patterns, beneficial for mass transport based on abundant high-permeability sites and large surface area, are constructed on opposite membrane surfaces. Upon tuning water-assisted H-bonding via H-sites/configuration design and temperature/pH modulation, double-hydrophobic, double-hydrophilic, and hydrophobic-hydrophilic membranes are facilely fabricated. The Janus membranes show smart vapor-responsive curling and unidirectional water transport with promising flux of 1158±25 L m-2 h-1 under natural gravity and 31500±670 L·(m-2 h-1 bar-1 ) at negative pressure. This bottom-up approach offers a feasible-to-scalable avenue to precise-manipulation of Janus membranes for advanced applications, providing an effective pathway for developing tailor-made self-assembled nanomaterials.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:10 |
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| Enthalten in: |
Advanced science (Weinheim, Baden-Wurttemberg, Germany) - 10(2023), 35 vom: 18. Dez., Seite e2305239 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yi, Qun [VerfasserIn] |
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| Links: |
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| Themen: |
H-bonded assembly |
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| Anmerkungen: |
Date Revised 18.12.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/advs.202305239 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Janus membranes with asymmetric wettability have been considered cutting-edge for energy/environmental-sustainable applications like water/fog harvester, breathable skin, and smart sensor; however, technical challenges in fabrication and accurate regulation of asymmetric wettability limit their development. Herein, by using water-assisted hydrogen-bonded (H-bonded) assembly of small molecules at water/oil interface, a facile strategy is proposed for one-step fabrication of membranes with well-regulable asymmetric wettability. Asymmetric orderly patterns, beneficial for mass transport based on abundant high-permeability sites and large surface area, are constructed on opposite membrane surfaces. Upon tuning water-assisted H-bonding via H-sites/configuration design and temperature/pH modulation, double-hydrophobic, double-hydrophilic, and hydrophobic-hydrophilic membranes are facilely fabricated. The Janus membranes show smart vapor-responsive curling and unidirectional water transport with promising flux of 1158±25 L m-2 h-1 under natural gravity and 31500±670 L·(m-2 h-1 bar-1 ) at negative pressure. This bottom-up approach offers a feasible-to-scalable avenue to precise-manipulation of Janus membranes for advanced applications, providing an effective pathway for developing tailor-made self-assembled nanomaterials | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a H-bonded assembly | |
| 650 | 4 | |a Janus membrane | |
| 650 | 4 | |a unidirectional water transport | |
| 650 | 4 | |a vapor response | |
| 700 | 1 | |a Qiu, Mingyue |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Xiaoyu |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Haonan |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Hongxue |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Tielin |e verfasserin |4 aut | |
| 700 | 1 | |a Nimmo, William |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Tian |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Lijuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zeng, Hongbo |e verfasserin |4 aut | |
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