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dc.contributor.authorElmahdy, M. M.en
dc.contributor.authorFloudas, G.en
dc.contributor.authorOldridge, L.en
dc.contributor.authorGrimsdale, A. C.en
dc.contributor.authorMullen, K.en
dc.date.accessioned2015-11-24T18:35:43Z-
dc.date.available2015-11-24T18:35:43Z-
dc.identifier.issn1439-4235-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/17127-
dc.rightsDefault Licence-
dc.subjectdielectric spectroscopyen
dc.subjectluminescenceen
dc.subjectmesophasesen
dc.subjectmolecular dynamicsen
dc.subjectself assemblyen
dc.subjectstructure-property relationshipsen
dc.subjectblue-light emissionen
dc.subjectmonodisperse oligofluorenesen
dc.subjectoptical-propertiesen
dc.subjectpolyfluorenesen
dc.subjectoligomersen
dc.subjectpolymersen
dc.subjectgapen
dc.titleSelf-assembly and molecular dynamics of oligoindenofluorenesen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1002/cphc.200600015-
heal.identifier.secondary<Go to ISI>://000239105100008-
heal.identifier.secondaryhttp://onlinelibrary.wiley.com/store/10.1002/cphc.200600015/asset/1431_ftp.pdf?v=1&t=h0xk8m3c&s=f8c1026124ede1757d24e5dfcf85cfa097e8e188-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate2006-
heal.abstractThe optical properties, self assembly mechanism, thermal properties, and the associated molecular dynamics of a series of stable blue-emitting oligoindenofluorenes up to the polymer were investigated by photoluminescence, wide-angle X-ray scattering, polarizing optical microscopy, differential scanning calorimetry, and di-electric spectroscopy. Oligomers of indenofluorenes possess high structural order and form smectic mesophases, as opposed to the nematic mesophases formed in the corresponding oligofluorenes. The a-process associated with the liquid-to-glass transition displays an asymmetric broadening of relaxation times (non- Debye process), with a non-Arrhenius temperature dependance of relaxation times and a strong molecular weight dependance. The low dielectric loss and low ionic conductivity revealed the absence of ketone structural defects, which is consistent with the observed stable blue emission.en
heal.journalNameChemphyschemen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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