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Photonic composite materials from cellulose nanorods and clay nanolayers

2020-11Artigo científico Acesso aberto
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dc.contributor.authorTrindade, Ana C.
dc.contributor.authorCarreto, Miguel
dc.contributor.authorHelgesen, Geir
dc.contributor.authorKnudsen, Kenneth D.
dc.contributor.authorPuchtler, Florian
dc.contributor.authorBreu, Josef
dc.contributor.authorFernandes, Susete
dc.contributor.authorGodinho, Maria Helena
dc.contributor.authorFossum, Jon Otto
dc.contributor.institutionDCM - Departamento de Ciência dos Materiais
dc.contributor.institutionCENIMAT-i3N - Centro de Investigação de Materiais (Lab. Associado I3N)
dc.contributor.pblSpringer
dc.date.accessioned2021-01-08T23:50:07Z
dc.date.available2021-01-08T23:50:07Z
dc.date.issued2020-11
dc.descriptionPOCI-01-0145-FEDER007688 (Reference UID/CTM/50025) PTDC/FIS-NAN/0117/2014 PTDC/CTM-BIO/6178/2014 M-ERA-NET2/0007/2016 (CellColor) PTDC/CTM-REF/30529/2017 (NanoCell2SEC). {Nano2021 Program (250619 Graphene-NanoClay Systems).
dc.description.abstractCellulose nano crystals (CNCs) are promising materials for energy efficient buildings related to the control of reflectivity and heat absorption/reflection of light. In this sense it is important to improve CNCs films fire retardant properties, which can be achieved by adding clays. Cellulose nanocrystals (CNCs) and nanolayers obtained from Sodium Fluorohectorite (NaFh) synthetic clay are both known to form liquid crystalline phases in aqueous suspensions. CNCs form cholesteric phases, which structure is preserved after water evaporation, while dry NaFh nanolayers aligned films collapse. In this initial work, it is shown that CNCs are compatible with NaFh clay. We demonstrate that the liquid crystalline phase of CNCs in water is not destroyed by the presence of NaFh nanolayers. The NaFh nanolayers act as planar anchoring surfaces to the cellulose nanorods and, after evaporation of the water coloured films are obtained. The precursor solutions and the photonic films were investigated by Describe several techniques.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent15
dc.format.extent2114388
dc.identifier.doi10.1140/epjst/e2020-000015-y
dc.identifier.issn1951-6355
dc.identifier.otherPURE: 26616404
dc.identifier.otherPURE UUID: 9b2b214a-6913-4e25-811d-62988a6bf8e1
dc.identifier.otherScopus: 85096011063
dc.identifier.otherWOS: 000590141900002
dc.identifier.otherORCID: /0000-0002-7871-6717/work/86471777
dc.identifier.urihttp://hdl.handle.net/10362/109954
dc.identifier.urlhttps://www.scopus.com/pages/publications/85096011063
dc.language.isoeng
dc.peerreviewedyes
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147333/PT
dc.subjectGeneral Materials Science
dc.subjectGeneral Physics and Astronomy
dc.subjectPhysical and Theoretical Chemistry
dc.titlePhotonic composite materials from cellulose nanorods and clay nanolayersen
dc.typejournal article
degois.publication.firstPage2741
degois.publication.issue17-18
degois.publication.lastPage2755
degois.publication.titleEuropean Physical Journal: Special Topics
degois.publication.volume229
dspace.entity.typePublication
oaire.awardNumberUID/CTM/50025/2013
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FCTM%2F50025%2F2013/PT
oaire.fundingStream5876
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
relation.isProjectOfPublicationd94394ca-c419-4430-9491-83be2361e7a8
relation.isProjectOfPublication.latestForDiscoveryd94394ca-c419-4430-9491-83be2361e7a8

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