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Surface crystallization of ionic liquid crystals

2019Journal article Open access
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dc.contributor.authorMartins, Mónia A.R.
dc.contributor.authorCarvalho, Pedro J.
dc.contributor.authorAlves, Douglas
dc.contributor.authorDariva, Cláudio
dc.contributor.authorCosta, Mariana C.
dc.contributor.authorFerreira, Rute A.S.
dc.contributor.authorAndré, Paulo S.
dc.contributor.authorMorgado, Pedro
dc.contributor.authorPinho, Simão
dc.contributor.authorFilipe, Eduardo J.M.
dc.contributor.authorCoutinho, João A.P.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-01-03T17:07:36Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-01-03T17:07:36Z
dc.date.issued2019
dc.description.abstractThe evidence for surface crystallization in ionic liquids is scarce. The existing reports seem to be contradictory as for its driving forces, since in the two compounds investigated in the literature, the contribution of coloumbic and van der Waals forces is very different. In this work 1-dodecyl-3- methylimidazolium tetrafluoroborate was studied and its surface crystallization characterized by surface tension, ellipsometry and optical microscopy. The results obtained seem to reconcile previous observations, and it was further shown, using the same techniques, that this phenomenon is prevalent in other ionic liquids. MD simulation results illustrate the different possibilities of organization, providing reasonable models to rationalize the experimental observations.
dc.description.sponsorshipThis work was developed with the scope of the project CICECO – Aveiro Institute of Materials, UID/CTM/50011/2019, Associate Laboratory LSRE-LCM, UID/EQU/50020/2019, and of Instituto de Telecomunicaço˜es/IT (UID/EEA/50008/2013) – funded by national funds through FCT/MCTES (PIDDAC). M. A. R. M. acknowledges financial support from NORTE-01-0145-FEDER- 000006 – funded by NORTE2020 through PT2020 and ERDF, and P. J. C. acknowledges the FCT for the contract IF/00758/2015. A. R. Bastos from UA is acknowledged for help in the ellipsometry measurements. M. C. C. aknowledges FAPESP (2012/05027-1) and CNPq (310272/2017) for financial support.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationMartins, Mónia A.R.; Carvalho, Pedro J.; Alves, Douglas; Dariva, Claudio; Costa, Mariana C.; Ferreira, Rute A.S.; André, Paulo S.; Morgado, Pedro; Pinho, Simaõ P.; Filipe, Eduardo J.M.; Coutinho, Joaõ A.P. (2019). Surface crystallization of ionic liquid crystals. Physical Chemistry Chemical Physics. ISSN 1463-9076. 21, p. 17792-17800en_EN
dc.identifier.doi10.1039/c9cp03947cen_EN
dc.identifier.issn1463-9076
dc.identifier.urihttp://hdl.handle.net/10198/20108
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.titleSurface crystallization of ionic liquid crystalsen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FEEA%2F50008%2F2013/PT
oaire.fundingStream5876
person.familyNamePinho
person.givenNameSimão
person.identifier810882
person.identifier.ciencia-id481D-73AD-8D0F
person.identifier.orcid0000-0002-9211-857X
person.identifier.ridD-4148-2013
person.identifier.scopus-author-id7003570175
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication8ef7789a-34f3-4915-a666-4efe26272a30
relation.isAuthorOfPublication.latestForDiscovery8ef7789a-34f3-4915-a666-4efe26272a30
relation.isProjectOfPublication8b113dc7-b84a-48de-9569-5edc11021606
relation.isProjectOfPublication.latestForDiscovery8b113dc7-b84a-48de-9569-5edc11021606

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