Publicação:
Laserlike emission from silica inverse opals infiltrated with rhodamine 6G

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dc.contributor.authorAlencar, MARC
dc.contributor.authorMaciel, G. S.
dc.contributor.authorde Araujo, C. B.
dc.contributor.authorBertholdo, R.
dc.contributor.authorMessaddeq, Younes [UNESP]
dc.contributor.authorRibeiro, SJL
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Pernambuco (UFPE)
dc.date.accessioned2014-05-20T15:26:21Z
dc.date.available2014-05-20T15:26:21Z
dc.date.issued2005-07-15
dc.description.abstractMonodisperse latex spheres were obtained by a surfactant free styrene polymerization method and used to obtain colloidal crystals by controlled centrifugation settling. Silica inverse opals were then prepared by using the colloidal crystals as templates and TEOS/ethanol solution. The inverse opals were infiltrated with Rhodamine 6G and laserlike emission was observed at 590 nm under 532 nm pump wavelength. The data show line narrowing of the dye fluorescence and a laser threshold of similar to 0.1 mJ/pulse. Local-field effects and light scattering due to structural defects are the main mechanisms contributing to generation of the laser-action observed. (c) 2005 Elsevier B.V. All rights reserved.en
dc.description.affiliationUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUniv Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil
dc.description.affiliationUnespUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.format.extent1846-1849
dc.identifierhttp://dx.doi.org/10.1016/j.jnoncrysol.2005.04.026
dc.identifier.citationJournal of Non-crystalline Solids. Amsterdam: Elsevier B.V., v. 351, n. 21-23, p. 1846-1849, 2005.
dc.identifier.doi10.1016/j.jnoncrysol.2005.04.026
dc.identifier.issn0022-3093
dc.identifier.lattes2998503841917815
dc.identifier.lattes6446047463034654
dc.identifier.urihttp://hdl.handle.net/11449/36527
dc.identifier.wosWOS:000230574700025
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofJournal of Non-Crystalline Solids
dc.relation.ispartofjcr2.488
dc.relation.ispartofsjr0,722
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleLaserlike emission from silica inverse opals infiltrated with rhodamine 6Gen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes2998503841917815
unesp.author.lattes6446047463034654
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentQuímica Inorgânica - IQARpt

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Araraquara - IQAR - Instituto de Química