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Statements

Subject Item
n2:RIV%2F61389013%3A_____%2F14%3A00427560%21RIV15-GA0-61389013
rdf:type
n10:Vysledek skos:Concept
dcterms:description
Photophysical and electrochemical properties of novel luminescent carbazole-based, carbazole-fluorene and fluorene-bithiophene copolymers, and photoconductive copolymers containing 4,6- bis(3-dodecylthien-2-yl)thieno[3,4-c][1,2,5]thiadiazole as electron acceptor unit and various electron donor unit (9,9-dioctylfluorene, 9,9-bis(2-ethylhexyl)fluorene, 2,5-bis(dodecyloxy)benzene, 2,5- didodecylbenzene, 3,3-didodecyl-2,2-bithiophene, 2,7-carbazole or dithieno[3,2-b:2,3-d]silole derivatives) were studied. Effects of molecular weight and side-chain nature and length on photophysical properties are reported. Luminescent carbazolebased and carbazole-fluorene copolymers exhibited an intense photoluminescent (PL) emission in blue spectral region with maxima at about 417-419 nm in tetrahydrofuran (THF) solutions and at 430-436 nm in thin films, whereas 9,9-dihexadecylfluorenebithiophene copolymers PL emission in green spectral region with maxima at about 495 nm in THF solutions and at 542 nm in thin films. The donor-acceptor copolymers absorb in a long-wavelength region up to near infrared and possess a narrow optical band gap in the range of 1.1 - 1.4 eV depending on the character of donor units and alkyl side-chain nature. They exhibited ambipolar redox properties, high electron affinity, electrochromic and thermochromic behavior. Photophysical and electrochemical properties of novel luminescent carbazole-based, carbazole-fluorene and fluorene-bithiophene copolymers, and photoconductive copolymers containing 4,6- bis(3-dodecylthien-2-yl)thieno[3,4-c][1,2,5]thiadiazole as electron acceptor unit and various electron donor unit (9,9-dioctylfluorene, 9,9-bis(2-ethylhexyl)fluorene, 2,5-bis(dodecyloxy)benzene, 2,5- didodecylbenzene, 3,3-didodecyl-2,2-bithiophene, 2,7-carbazole or dithieno[3,2-b:2,3-d]silole derivatives) were studied. Effects of molecular weight and side-chain nature and length on photophysical properties are reported. Luminescent carbazolebased and carbazole-fluorene copolymers exhibited an intense photoluminescent (PL) emission in blue spectral region with maxima at about 417-419 nm in tetrahydrofuran (THF) solutions and at 430-436 nm in thin films, whereas 9,9-dihexadecylfluorenebithiophene copolymers PL emission in green spectral region with maxima at about 495 nm in THF solutions and at 542 nm in thin films. The donor-acceptor copolymers absorb in a long-wavelength region up to near infrared and possess a narrow optical band gap in the range of 1.1 - 1.4 eV depending on the character of donor units and alkyl side-chain nature. They exhibited ambipolar redox properties, high electron affinity, electrochromic and thermochromic behavior.
dcterms:title
Photophysical and electrochemical properties of novel luminescent and photoconductive copolymers Photophysical and electrochemical properties of novel luminescent and photoconductive copolymers
skos:prefLabel
Photophysical and electrochemical properties of novel luminescent and photoconductive copolymers Photophysical and electrochemical properties of novel luminescent and photoconductive copolymers
skos:notation
RIV/61389013:_____/14:00427560!RIV15-GA0-61389013
n3:aktivita
n9:P n9:I
n3:aktivity
I, P(GA13-26542S), P(GAP106/12/0827)
n3:dodaniDat
n14:2015
n3:domaciTvurceVysledku
n19:3812448 n19:3767531 n19:1577050 n19:6026443 n19:5040124
n3:druhVysledku
n16:D
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
36509
n3:idVysledku
RIV/61389013:_____/14:00427560
n3:jazykVysledku
n11:eng
n3:klicovaSlova
conjugated polymers; photophysics; luminescence
n3:klicoveSlovo
n6:luminescence n6:conjugated%20polymers n6:photophysics
n3:kontrolniKodProRIV
[D4266C4A2CDE]
n3:mistoKonaniAkce
San Francisco
n3:mistoVydani
Pennington
n3:nazevZdroje
ECS Transactions
n3:obor
n12:CD
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n7:GA13-26542S n7:GAP106%2F12%2F0827
n3:rokUplatneniVysledku
n14:2014
n3:tvurceVysledku
Cimrová, Věra Pokorná, Veronika Kmínek, Ivan Výprachtický, Drahomír Dzhabarov, Vagif
n3:typAkce
n5:WRD
n3:zahajeniAkce
2013-10-27+02:00
s:issn
1938-5862
s:numberOfPages
16
n17:doi
10.1149/05828.0015ecst
n20:hasPublisher
Electrochemical Society