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Article: Well-defined porous membranes for robust omniphobic surfaces via microfluidic emulsion templating

TitleWell-defined porous membranes for robust omniphobic surfaces via microfluidic emulsion templating
Authors
KeywordsCollembola
cuticle
emulsion
membrane
morphology
Issue Date2017
PublisherNature Research (part of Springer Nature): Fully open access journals. The Journal's web site is located at http://www.nature.com/ncomms/index.html
Citation
Nature Communications, 2017, v. 8, p. article no. 15823 How to Cite?
AbstractDurability is a long-standing challenge in designing liquid-repellent surfaces. A high-performance omniphobic surface must robustly repel liquids, while maintaining mechanical/chemical stability. However, liquid repellency and mechanical durability are generally mutually exclusive properties for many omniphobic surfaces—improving one performance inevitably results in decreased performance in another. Here we report well-defined porous membranes for durable omniphobic surfaces inspired by the springtail cuticle. The omniphobicity is shown via an amphiphilic material micro-textured with re-entrant surface morphology; the mechanical durability arises from the interconnected microstructures. The innovative fabrication method—termed microfluidic emulsion templating—is facile, cost-effective, scalable and can precisely engineer the structural topographies. The robust omniphobic surface is expected to open up new avenues for diverse applications due to its mechanical and chemical robustness, transparency, reversible Cassie–Wenzel transition, transferability, flexibility and stretchability.
Persistent Identifierhttp://hdl.handle.net/10722/272921
ISSN
2017 Impact Factor: 12.353
2015 SCImago Journal Rankings: 6.539
PubMed Central ID

 

DC FieldValueLanguage
dc.contributor.authorZhu, P-
dc.contributor.authorKong, T-
dc.contributor.authorTang, X-
dc.contributor.authorWang, L-
dc.date.accessioned2019-08-06T09:19:06Z-
dc.date.available2019-08-06T09:19:06Z-
dc.date.issued2017-
dc.identifier.citationNature Communications, 2017, v. 8, p. article no. 15823-
dc.identifier.issn2041-1723-
dc.identifier.urihttp://hdl.handle.net/10722/272921-
dc.description.abstractDurability is a long-standing challenge in designing liquid-repellent surfaces. A high-performance omniphobic surface must robustly repel liquids, while maintaining mechanical/chemical stability. However, liquid repellency and mechanical durability are generally mutually exclusive properties for many omniphobic surfaces—improving one performance inevitably results in decreased performance in another. Here we report well-defined porous membranes for durable omniphobic surfaces inspired by the springtail cuticle. The omniphobicity is shown via an amphiphilic material micro-textured with re-entrant surface morphology; the mechanical durability arises from the interconnected microstructures. The innovative fabrication method—termed microfluidic emulsion templating—is facile, cost-effective, scalable and can precisely engineer the structural topographies. The robust omniphobic surface is expected to open up new avenues for diverse applications due to its mechanical and chemical robustness, transparency, reversible Cassie–Wenzel transition, transferability, flexibility and stretchability.-
dc.languageeng-
dc.publisherNature Research (part of Springer Nature): Fully open access journals. The Journal's web site is located at http://www.nature.com/ncomms/index.html-
dc.relation.ispartofNature Communications-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectCollembola-
dc.subjectcuticle-
dc.subjectemulsion-
dc.subjectmembrane-
dc.subjectmorphology-
dc.titleWell-defined porous membranes for robust omniphobic surfaces via microfluidic emulsion templating-
dc.typeArticle-
dc.identifier.emailWang, L: lqwang@hku.hk-
dc.identifier.authorityWang, L=rp00184-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1038/ncomms15823-
dc.identifier.pmid28604698-
dc.identifier.pmcidPMC5472779-
dc.identifier.scopuseid_2-s2.0-85020717454-
dc.identifier.hkuros300441-
dc.identifier.volume8-
dc.identifier.spagearticle no. 15823-
dc.identifier.epagearticle no. 15823-
dc.publisher.placeUnited Kingdom-

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