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Structural Color and Iridescence in Transparent Sheared Cellulosic Films

2013-01-11Journal article Open access
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dc.contributor.authorFernandes, Susete N.
dc.contributor.authorGeng, Yong
dc.contributor.authorVignolini, Silvia
dc.contributor.authorGlover, Beverley J.
dc.contributor.authorTrindade, Ana C.
dc.contributor.authorCanejo, João P.
dc.contributor.authorAlmeida, Pedro L.
dc.contributor.authorBrogueira, Pedro
dc.contributor.authorGodinho, Maria Helena
dc.date.accessioned2013-10-24T15:39:22Z
dc.date.available2013-10-24T15:39:22Z
dc.date.issued2013-01-11
dc.description.abstractShear transparent cellulose free-standing thin films can develop iridescence similar to that found in petals of the tulip Queen of the Night. The iridescence of the film arises from the modulation of the surface into bands periodically spread perpendicular to the shear direction. Small amounts of nanocrystalline cellulose (NCC) rods in the precursor liquid-crystalline solutions do not disturb the optical properties of the solutions but enhance the mechanical characteristics of the films and affects their iridescence. Smaller bands periodicity, not affected by the NCC rods, slightly deviated from the shear direction is also observed. NCCs are crucial to tune and understand the film's surface features formation. Our findings could lead to new materials for application in soft reflective screens and devices.por
dc.identifier.citationFERNANDES, Susete N.; GENG, Yong; VIGNOLINI, Sílvia; GLOVER, Beverley J.;TRINDADE, Ana C.; CANEJO, Joao P.; ALMEIDA, Pedro L. ; BROGUEIRA, Pedro; GODINHO, Maria H. - Structural Color and Iridescence in Transparent Sheared Cellulosic Films. Macromolecular Chemistry and Physics. ISSN 1022-1352. Vol. 214, nr 1 (2013), p. 25-32.por
dc.identifier.issn1022-1352
dc.identifier.other10.1002/macp.201200351
dc.identifier.urihttp://hdl.handle.net/10400.21/2776
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherWiley-Verlagpor
dc.subjectCellulose free-standing filmspor
dc.subjectIridescencepor
dc.subjectLiquid-crystalline polymer solutionspor
dc.subjectNanocrystalline cellulose rodspor
dc.subjectStructural colorspor
dc.subjectLiquid-crystalline solutionspor
dc.subjectAtomic-force microscopypor
dc.subjectHydeoxypropycellulose filmspor
dc.subjectNanocomposite materialspor
dc.subjectOptical-propertiespor
dc.subjectAlignment layerspor
dc.titleStructural Color and Iridescence in Transparent Sheared Cellulosic Filmspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceWeinheimpor
oaire.citation.endPage32por
oaire.citation.issue1por
oaire.citation.startPage25por
oaire.citation.titleMacromolecular Chemistry and Physicspor
oaire.citation.volume214por
person.familyNameVignolini
person.familyNameMarques de Almeida
person.familyNameFélix Brogueira
person.familyNameGodinho
person.givenNameSilvia
person.givenNamePedro
person.givenNamePedro Miguel
person.givenNameMaria Helena
person.identifier.ciencia-id0218-71B2-2DE0
person.identifier.ciencia-idE411-CFB9-E1F2
person.identifier.ciencia-idC316-7B1F-4513
person.identifier.orcid0000-0003-0664-1418
person.identifier.orcid0000-0001-7356-8455
person.identifier.orcid0000-0001-6069-4073
person.identifier.orcid0000-0002-9760-5983
person.identifier.ridO-5604-2016
person.identifier.ridB-4356-2009
person.identifier.ridJ-3679-2013
person.identifier.scopus-author-id24464531800
person.identifier.scopus-author-id57190384213
person.identifier.scopus-author-id7005654016
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication84e5d2ac-4f96-4d5b-b91b-f142be6d9d50
relation.isAuthorOfPublication429b6d71-328e-42b3-8151-15493de249b8
relation.isAuthorOfPublication77738a0b-17fd-4347-a4ff-56ecc3bdcf22
relation.isAuthorOfPublication9e92c2e7-f179-42a4-b284-2b30b769aa0b
relation.isAuthorOfPublication.latestForDiscovery429b6d71-328e-42b3-8151-15493de249b8

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