About: Imidazole as a Donor/Acceptor Unit in Charge-Transfer Chromophores with Extended pi-Linkers

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Eleven new, stable, push-pull systems that feature 4,5-bis[4-(N,N-dimethylamino)phenyl]imidazole and 4,5-dicyanoimidazole as the donor and acceptor moieties and the systematically extended and varied pi-linker were prepared and investigated. Evaluation of the measured UV/Vis spectra, electrochemical data (cyclic voltammetry (CV), rotating-disc voltammetry (RDV), and polarography) and calculated beta and gamma polarizabilities showed efficient charge transfer (CT) in biimidazole-type chromophores. Push-pull system 27, which features a planar thiophene-derived pi-linker, was revealed to be the most efficient chromophore within the studied series. This chromophore possessed the most bathochromically shifted CT band, the lowest electrochemical gap, and highest beta and gamma polarizabilities. Eleven new, stable, push-pull systems that feature 4,5-bis[4-(N,N-dimethylamino)phenyl]imidazole and 4,5-dicyanoimidazole as the donor and acceptor moieties and the systematically extended and varied pi-linker were prepared and investigated. Evaluation of the measured UV/Vis spectra, electrochemical data (cyclic voltammetry (CV), rotating-disc voltammetry (RDV), and polarography) and calculated beta and gamma polarizabilities showed efficient charge transfer (CT) in biimidazole-type chromophores. Push-pull system 27, which features a planar thiophene-derived pi-linker, was revealed to be the most efficient chromophore within the studied series. This chromophore possessed the most bathochromically shifted CT band, the lowest electrochemical gap, and highest beta and gamma polarizabilities. (en)
Title	Imidazole as a Donor/Acceptor Unit in Charge-Transfer Chromophores with Extended pi-Linkers Imidazole as a Donor/Acceptor Unit in Charge-Transfer Chromophores with Extended pi-Linkers (en)
skos:prefLabel	Imidazole as a Donor/Acceptor Unit in Charge-Transfer Chromophores with Extended pi-Linkers Imidazole as a Donor/Acceptor Unit in Charge-Transfer Chromophores with Extended pi-Linkers (en)
skos:notation	RIV/61388955:_____/11:00363289!RIV12-AV0-61388955
http://linked.open...avai/predkladatel	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/08/0076), Z(AV0Z40400503), Z(MSM0021627501)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Ludvík, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	203577
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/11:00363289
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	charge transfer; conjugation; donor-acceptor systems (en)
http://linked.open.../riv/klicoveSlovo	conjugation charge transfer donor-acceptor systems
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[85E7EEB1FD30]
http://linked.open...i/riv/nazevZdroje	Chemistry-An Asian Journal
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Spacer-controlled property tuning in the acceptor-imidazole-donor type of the charge-transfer chromophores
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	6
http://linked.open...iv/tvurceVysledku	Ludvík, Jiří Bureš, F. Kulhánek, J. Mikysek, T. Pytela, O.
http://linked.open...ain/vavai/riv/wos	000292097700043
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace Aimed preparation of special compounds and materials and investigation of their physical and chemical properties and supramolecular structures
issn	1861-4728
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/asia.201100097
is http://linked.open...avai/riv/vysledek of	Imidazole as a Donor/Acceptor Unit in Charge-Transfer Chromophores with Extended pi-Linkers Imidazole as a Donor/Acceptor Unit in Charge-Transfer Chromophores with Extended pi-Linkers

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