Self-assembly and molecular dynamics of oligoindenofluorenes
| dc.contributor.author | Elmahdy, M. M. | en |
| dc.contributor.author | Floudas, G. | en |
| dc.contributor.author | Oldridge, L. | en |
| dc.contributor.author | Grimsdale, A. C. | en |
| dc.contributor.author | Mullen, K. | en |
| dc.date.accessioned | 2015-11-24T18:35:43Z | |
| dc.date.available | 2015-11-24T18:35:43Z | |
| dc.identifier.issn | 1439-4235 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/17127 | |
| dc.rights | Default Licence | - |
| dc.subject | dielectric spectroscopy | en |
| dc.subject | luminescence | en |
| dc.subject | mesophases | en |
| dc.subject | molecular dynamics | en |
| dc.subject | self assembly | en |
| dc.subject | structure-property relationships | en |
| dc.subject | blue-light emission | en |
| dc.subject | monodisperse oligofluorenes | en |
| dc.subject | optical-properties | en |
| dc.subject | polyfluorenes | en |
| dc.subject | oligomers | en |
| dc.subject | polymers | en |
| dc.subject | gap | en |
| dc.title | Self-assembly and molecular dynamics of oligoindenofluorenes | en |
| heal.abstract | The 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.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | DOI 10.1002/cphc.200600015 | - |
| heal.identifier.secondary | <Go to ISI>://000239105100008 | - |
| heal.identifier.secondary | http://onlinelibrary.wiley.com/store/10.1002/cphc.200600015/asset/1431_ftp.pdf?v=1&t=h0xk8m3c&s=f8c1026124ede1757d24e5dfcf85cfa097e8e188 | - |
| heal.journalName | Chemphyschem | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2006 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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