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Article: Shape-Deformed Mushroom-like Reentrant Structures for Robust Liquid-Repellent Surfaces

TitleShape-Deformed Mushroom-like Reentrant Structures for Robust Liquid-Repellent Surfaces
Authors
Keywords4D printing
bioinspired reentrant structures
liquid-repellent surfaces
nonfluorinated surfaces
shape deformation
Issue Date2021
Citation
ACS Applied Materials and Interfaces, 2021, v. 13, n. 28, p. 33618-33626 How to Cite?
AbstractArtificial liquid-repellent surfaces inspired by biomimetic structures provide a wide range of functional surfaces for various practical applications, such as self-cleaning, antisticking, oil/water separation, and droplet manipulation. However, functional biomimetic structures cannot be fabricated using conventional techniques. For example, mushroom-like topologies on the skin of springtails, which are referred to as "doubly reentrant structures,"have attracted significant attention owing to their extraordinary liquid-repellent properties. Current methods of fabricating these reentrant structures have several limitations, such as complex material systems, processing steps, and additional chemical treatments. This study proposed a simple micro-shape-deformed approach to fabricate mushroom-like reentrant structures by digital light processing, a three-dimensional (3D) printing technique, with volumetric shrinkage. The nonuniform cross-linking process and light propagation during photopolymerization caused the deformation of the topological patterns atop the micropillar arrays, resulting in bent structures for mushroom-like shape-deformed microarchitectures. This 3D-printed shape-deformed microstructure exhibits a highly stable liquid repellency without perfluorinated coatings.
Persistent Identifierhttp://hdl.handle.net/10722/318936
ISSN
2023 Impact Factor: 8.3
2023 SCImago Journal Rankings: 2.058
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKim, Do Hyeog-
dc.contributor.authorKim, Seok-
dc.contributor.authorPark, Seo Rim-
dc.contributor.authorFang, Nicholas X.-
dc.contributor.authorCho, Young Tae-
dc.date.accessioned2022-10-11T12:24:54Z-
dc.date.available2022-10-11T12:24:54Z-
dc.date.issued2021-
dc.identifier.citationACS Applied Materials and Interfaces, 2021, v. 13, n. 28, p. 33618-33626-
dc.identifier.issn1944-8244-
dc.identifier.urihttp://hdl.handle.net/10722/318936-
dc.description.abstractArtificial liquid-repellent surfaces inspired by biomimetic structures provide a wide range of functional surfaces for various practical applications, such as self-cleaning, antisticking, oil/water separation, and droplet manipulation. However, functional biomimetic structures cannot be fabricated using conventional techniques. For example, mushroom-like topologies on the skin of springtails, which are referred to as "doubly reentrant structures,"have attracted significant attention owing to their extraordinary liquid-repellent properties. Current methods of fabricating these reentrant structures have several limitations, such as complex material systems, processing steps, and additional chemical treatments. This study proposed a simple micro-shape-deformed approach to fabricate mushroom-like reentrant structures by digital light processing, a three-dimensional (3D) printing technique, with volumetric shrinkage. The nonuniform cross-linking process and light propagation during photopolymerization caused the deformation of the topological patterns atop the micropillar arrays, resulting in bent structures for mushroom-like shape-deformed microarchitectures. This 3D-printed shape-deformed microstructure exhibits a highly stable liquid repellency without perfluorinated coatings.-
dc.languageeng-
dc.relation.ispartofACS Applied Materials and Interfaces-
dc.subject4D printing-
dc.subjectbioinspired reentrant structures-
dc.subjectliquid-repellent surfaces-
dc.subjectnonfluorinated surfaces-
dc.subjectshape deformation-
dc.titleShape-Deformed Mushroom-like Reentrant Structures for Robust Liquid-Repellent Surfaces-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acsami.1c06286-
dc.identifier.pmid34196537-
dc.identifier.scopuseid_2-s2.0-85110947671-
dc.identifier.volume13-
dc.identifier.issue28-
dc.identifier.spage33618-
dc.identifier.epage33626-
dc.identifier.eissn1944-8252-
dc.identifier.isiWOS:000677540900098-

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