Coil-to-Rod Transition of Conjugated Polymers Prepared by Cyclopolymerization of 1,6-Heptadiynes
dc.contributor.author
Kang, Eun-Hye
dc.contributor.author
Choi, Tae Lim
dc.date.accessioned
2022-03-16T15:04:11Z
dc.date.available
2022-03-15T12:35:14Z
dc.date.available
2022-03-16T15:04:11Z
dc.date.issued
2013-09-17
dc.identifier.other
10.1021/mz400338p
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/537154
dc.description.abstract
We report the conformational change resulting from the coil-to-rod transition in conjugated polymers prepared by the cyclopolymerization of 1,6-heptadiyne derivatives (poly(cyclopentenylene-vinylene), PCPV). By aging a PCPV solution under various conditions, we observed dramatic changes in their absorption spectra (appearance of a 00 vibronic peak) and an increase in the MarkHouwinkSakurada shape parameter, thereby confirming the coil-to-rod transition of the polymer. Further studies using NMR spectroscopy and various control experiments demonstrated that the coil-to-rod transformation resulted from the cis-to-trans isomerization of the conjugated olefins by a radical mechanism.
en_US
dc.language.iso
en
en_US
dc.publisher
American Chemical Society
dc.title
Coil-to-Rod Transition of Conjugated Polymers Prepared by Cyclopolymerization of 1,6-Heptadiynes
en_US
dc.type
Journal Article
ethz.journal.title
ACS Macro Letters
ethz.journal.volume
2
en_US
ethz.journal.issue
9
en_US
ethz.pages.start
780
en_US
ethz.pages.end
784
en_US
ethz.publication.place
Washington, DC
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02160 - Dep. Materialwissenschaft / Dep. of Materials::02646 - Institut für Polymere / Institute of Polymers::09767 - Choi, Tae-Lim / Choi, Tae-Lim
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02160 - Dep. Materialwissenschaft / Dep. of Materials::02646 - Institut für Polymere / Institute of Polymers::09767 - Choi, Tae-Lim / Choi, Tae-Lim
en_US
ethz.date.deposited
2022-03-15T12:35:19Z
ethz.source
BATCH
ethz.eth
no
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2022-03-29T20:39:56Z
ethz.rosetta.lastUpdated
2024-02-02T16:32:19Z
ethz.rosetta.versionExported
true
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Journal Article [131552]