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Nonlinear absorption and photoluminescence next emission in nanocomposite films of Fuchsine Basic dye-polymer system

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dc.contributor.authorSreekumar, G.
dc.contributor.authorFrobel, Louie P.G.
dc.contributor.authorSreeja, S.
dc.contributor.authorSuresh, S.R.
dc.contributor.authorMayadevi, S.
dc.contributor.authorMuneera, C.I.
dc.contributor.authorSandeep, Suchand C.S.
dc.contributor.authorPhilip, Reji
dc.contributor.authorMukharjee, Chandrachur
dc.date.accessioned2011-08-11T07:26:25Z
dc.date.available2011-08-11T07:26:25Z
dc.date.issued2011-04
dc.descriptionRestricted Access.en
dc.description.abstractFuchsine Basic dye-polyvinyl alcohol composite films were fabricated and their structure, nonlinear absorption as well as linear absorption and photoluminescence properties were investigated. Switchover from saturable absorption to two-photon assisted excited state absorption with increase in intensity was observed in the open aperture Z-scan study (Nd:YAG, 532 nm, 7 ns). The effective two-photon absorption coefficient beta was found to be several orders higher than that reported for rhodamine B. The dye-polymer films were characterized as nanocomposites with dye microdomains encapsulated between molecules of the amorphous polymer and having average surface roughness as low as approximate to 0.46 nm. The samples also exhibited intense photoluminescence emission when excited with 534 nm radiation.en
dc.identifier.citationChemical Physics Letters, 2011, Vol.506, p61en
dc.identifier.issn0009-2614
dc.identifier.urihttp://hdl.handle.net/2289/4089
dc.language.isoenen
dc.publisherElesvier B.V.en
dc.relation.urihttp://adsabs.harvard.edu/abs/2011CPL...506...61Sen
dc.relation.urihttp://dx.doi.org/10.1016/j.cplett.2011.02.048en
dc.rights2011 Elesvier B.V.en
dc.subjectReverse Saturable Absorptionen
dc.subjectPulsed-Laser Depositionen
dc.subjectOptical Propertiesen
dc.subjectZ-Scanen
dc.subjectThin-Filmsen
dc.subjectPlatinum Nanoparticlesen
dc.subject2-Photon Absorptionen
dc.subjectSingle-Beamen
dc.subjectFluorescenceen
dc.subjectFabricationen
dc.titleNonlinear absorption and photoluminescence next emission in nanocomposite films of Fuchsine Basic dye-polymer systemen
dc.typeArticleen

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