Directional imbibition on a chemically patterned silicon micropillar array

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Jokinen, Ville
dc.date.accessioned 2017-04-20T10:14:42Z
dc.date.available 2017-04-20T10:14:42Z
dc.date.issued 2016
dc.identifier.citation Jokinen , V 2016 , ' Directional imbibition on a chemically patterned silicon micropillar array ' Soft Matter , vol 12 , no. 4 , pp. 1100-1106 . DOI: 10.1039/c5sm01746g en
dc.identifier.issn 1744-683X
dc.identifier.issn 1744-6848
dc.identifier.other PURE UUID: 11eb73a9-c561-4a9a-a6f7-584e559ec45e
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/directional-imbibition-on-a-chemically-patterned-silicon-micropillar-array(11eb73a9-c561-4a9a-a6f7-584e559ec45e).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=84955500728&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/10619227/Jokinen_2016_Soft_Matter_Directional_Imbibition.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/25204
dc.description.abstract Directional imbibition of oils (hexadecane, tetradecane, and dodecane) and water is demonstrated on a chemically patterned silicon micropillar array. Four different directional imbibition types are shown: unidirectional, two types of bidirectional and tridirectional imbibition. The surfaces consist of a silicon micropillar array with an overlaid surface chemistry pattern. This configuration leads to anisotropic wetting behaviour into various directions of the advancing meniscus. Due to the free energy landscape obtained, the advancing meniscus gets pinned in some directions (determined by the surface chemistry pattern) while it is free to move to the remaining directions. The conditions for directional imbibition and design criteria for the surfaces are derived and discussed. en
dc.format.extent 7
dc.format.extent 1100-1106
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Soft Matter en
dc.relation.ispartofseries Volume 12, issue 4 en
dc.rights openAccess en
dc.subject.other Chemistry(all) en
dc.subject.other Condensed Matter Physics en
dc.subject.other 216 Materials engineering en
dc.subject.other 221 Nanotechnology en
dc.title Directional imbibition on a chemically patterned silicon micropillar array en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Materials Science and Engineering
dc.contributor.department Department of Chemistry and Materials Science en
dc.subject.keyword WETTING PROPERTIES
dc.subject.keyword SURFACES
dc.subject.keyword Chemistry(all)
dc.subject.keyword Condensed Matter Physics
dc.subject.keyword 216 Materials engineering
dc.subject.keyword 221 Nanotechnology
dc.identifier.urn URN:NBN:fi:aalto-201704203634
dc.identifier.doi 10.1039/c5sm01746g
dc.type.version publishedVersion


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