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dc.contributor.authorElmahdy, M. M.en
dc.contributor.authorDou, X.en
dc.contributor.authorMondeshki, M.en
dc.contributor.authorFloudas, G.en
dc.contributor.authorButt, H. J.en
dc.contributor.authorSpiess, H. W.en
dc.contributor.authorMullen, K.en
dc.date.accessioned2015-11-24T18:35:40Z-
dc.date.available2015-11-24T18:35:40Z-
dc.identifier.issn0002-7863-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/17122-
dc.rightsDefault Licence-
dc.subjecthexa-peri-hexabenzocoronenesen
dc.subjectglass-transitionen
dc.subjectsolid-stateen
dc.subjectdielectric-spectroscopyen
dc.subjectcolumnar hexabenzocoroneneen
dc.subjectnmr-spectroscopyen
dc.subjectphase-changeen
dc.subjecttemperatureen
dc.subjectpressureen
dc.subjectcrystallizationen
dc.titleSelf-assembly, molecular dynamics, and kinetics of structure formation in dipole-functionalized discotic liquid crystalsen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDoi 10.1021/Ja7113618-
heal.identifier.secondary<Go to ISI>://000254933000056-
heal.identifier.secondaryhttp://pubs.acs.org/doi/pdfplus/10.1021/ja7113618-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate2008-
heal.abstractThe self-assembly, the molecular dynamics, and the kinetics of structure formation are studied in dipole-functionalized hexabenzocoronene (HBC) derivatives. Dipole substitution destabilizes the columnar crystalline phase except for the dimethoxy- and monoethynyl-substituted HBCs that undergo a reversible transformation to the crystalline phase. The disk dynamics are studied by dielectric spectroscopy and site-specific NMR techniques that provide both the time-scale and geometry of motion. Application of pressure results in the thermodynamic phase diagram that shows increasing stability of the crystalline phase at elevated pressures. Long-lived metastability was found during the transformation between the two phases. These results suggest new thermodynamic and kinetic pathways that favor the phase with the highest charge carrier mobility.en
heal.journalNameJ Am Chem Socen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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