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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F11%3A00363289%21RIV12-AV0-61388955
rdf:type
skos:Concept n14:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/61388955:_____/11:00363289!RIV12-AV0-61388955
n14:predkladatel
n15:ico%3A61388955
n3:aktivita
n5:P n5:Z
n3:aktivity
P(GA203/08/0076), Z(AV0Z40400503), Z(MSM0021627501)
n3:cisloPeriodika
6
n3:dodaniDat
n4:2012
n3:domaciTvurceVysledku
n7:4441613
n3:druhVysledku
n18:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
203577
n3:idVysledku
RIV/61388955:_____/11:00363289
n3:jazykVysledku
n19:eng
n3:klicovaSlova
charge transfer; conjugation; donor-acceptor systems
n3:klicoveSlovo
n13:conjugation n13:donor-acceptor%20systems n13:charge%20transfer
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[85E7EEB1FD30]
n3:nazevZdroje
Chemistry-An Asian Journal
n3:obor
n17:CG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n20:GA203%2F08%2F0076
n3:rokUplatneniVysledku
n4:2011
n3:svazekPeriodika
6
n3:tvurceVysledku
Bureš, F. Pytela, O. Ludvík, Jiří Kulhánek, J. Mikysek, T.
n3:wos
000292097700043
n3:zamer
n12:AV0Z40400503 n12:MSM0021627501
s:issn
1861-4728
s:numberOfPages
9
n9:doi
10.1002/asia.201100097