Vanadium oxide intercalated with polyelectrolytes: Novel layered hybrids with anion exchange properties

dc.creatorQuites, FJ
dc.creatorBisio, C
dc.creatorVinhas, RDG
dc.creatorLanders, R
dc.creatorMarchese, L
dc.creatorPastore, HO
dc.date2012
dc.dateFEB 15
dc.date2014-07-30T19:07:44Z
dc.date2015-11-26T16:55:32Z
dc.date2014-07-30T19:07:44Z
dc.date2015-11-26T16:55:32Z
dc.date.accessioned2018-03-28T23:42:57Z
dc.date.available2018-03-28T23:42:57Z
dc.identifierJournal Of Colloid And Interface Science. Academic Press Inc Elsevier Science, v. 368, n. 462, n. 469, 2012.
dc.identifier0021-9797
dc.identifierWOS:000299490500060
dc.identifier10.1016/j.jcis.2011.11.013
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/73164
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/73164
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1277155
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.descriptionNovel anion exchange hybrid materials were developed by the insertion of poly(diallymethylammonium chloride) (PDDACl) and poly(allylamine hydrochloride) (PAHCl) polyelectrolytes into V2O5 interlayer spaces using hydrothermal treatment and were used to host an anionic cyanine dye. A systematic study of the hybrid material synthesis by direct in situ reaction of PDDACl and PAHCl polycations with V2O5 powders showed that the interlayer space of V2O5 expands from 0.44 nm to 1.40 nm and 1.80 nm upon intercalation of PDDACl and PAHCl polyelectrolytes, respectively. X-ray photoelectron spectroscopy and DR UV-Vis-NIR spectroscopy revealed that some V' sites were reduced to V' during the intercalation of the polyelectrolytes, these acted as both charge balancing entities for the negative oxide sheets and carriers for exchange sites located in the V2O5 interlayer space. The interlayer separation is consistent with the existence of coiled conformation of the polycations. The hybrid materials produced [PDDACl](0.24)[PDDA](0.29)V2O5 and [PAHCl](0.28)[PAH](0.47)V2O5, exhibited approximately 45.0% and 37.0% of chloride ions still available for anionic exchange, respectively. These materials were used to encapsulate a cyanine anionic dye. The presence of the dye was evidenced in the [PDDACL](0.24)[PDDA](0.29)V2O5 by significant fluorescence, with emission peak centered at 617 nm. C) 2011 Elsevier Inc. All rights reserved.
dc.description368
dc.description462
dc.description469
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionPiedmont Region (Italy) [CIPE 2006]
dc.descriptionEuropean Community
dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.descriptionPiedmont Region (Italy) [CIPE 2006]
dc.languageen
dc.publisherAcademic Press Inc Elsevier Science
dc.publisherSan Diego
dc.publisherEUA
dc.relationJournal Of Colloid And Interface Science
dc.relationJ. Colloid Interface Sci.
dc.rightsfechado
dc.rightshttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dc.sourceWeb of Science
dc.subjectVanadium oxide
dc.subjectPolyelectrolytes
dc.subjectIntercalation reactions
dc.subjectRedox reactions
dc.subjectCyanine dyes
dc.subjectPDDACl
dc.subjectPAHCl
dc.subjectAnionic exchanger
dc.subjectHydrothermal Synthesis
dc.subjectLithium Batteries
dc.subjectCrystal-structure
dc.subjectCyanine Dye
dc.subjectNanocomposites
dc.subjectPentoxide
dc.subjectV2o5
dc.subjectAdsorption
dc.subjectZeolite
dc.subjectSpectra
dc.titleVanadium oxide intercalated with polyelectrolytes: Novel layered hybrids with anion exchange properties
dc.typeArtículos de revistas


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