About: Low-bandgap donor–acceptor copolymers with 4,6-bis(3´-(2-ethylhexyl)thien-2´-yl)thieno[3,4-c][1,2,5]thiadiazole: synthesis, optical, electrochemical, and photovoltaic properties

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About: Low-bandgap donor–acceptor copolymers with 4,6-bis(3´-(2-ethylhexyl)thien-2´-yl)thieno[3,4-c][1,2,5]thiadiazole: synthesis, optical, electrochemical, and photovoltaic properties Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Two new low-bandgap alternating copolymers (CEHTF and CEHTP) consisting of 4,6-bis(3-(2-ethylhexyl)thien-2-yl)thieno[3,4-c][1,2,5] thiadiazole and 9,9-bis(2-ethylhexyl)fluorene or 2,5-bis(isopentyloxy)benzene were synthesized. Their optical, electrochemical, and photovoltaic (PV) properties were studied and are reported. Both the copolymers exhibited long-wavelength absorption covering the whole visible spectral region, which is in CEHTP thin films extended up to near infrared region. Low-optical bandgap values, 1.37 and 1.15 eV, were determined for CEHTF and CEHTP, respectively. PV devices with bulk heterojunction made of blends of copolymers and fullerene derivative [6,6]-phenyl-C61-butyric acid methyl ester were prepared and characterized. Effects of intramolecular charge transfer strength and side-chain nature and length on photophysical properties are discussed. Two new low-bandgap alternating copolymers (CEHTF and CEHTP) consisting of 4,6-bis(3-(2-ethylhexyl)thien-2-yl)thieno[3,4-c][1,2,5] thiadiazole and 9,9-bis(2-ethylhexyl)fluorene or 2,5-bis(isopentyloxy)benzene were synthesized. Their optical, electrochemical, and photovoltaic (PV) properties were studied and are reported. Both the copolymers exhibited long-wavelength absorption covering the whole visible spectral region, which is in CEHTP thin films extended up to near infrared region. Low-optical bandgap values, 1.37 and 1.15 eV, were determined for CEHTF and CEHTP, respectively. PV devices with bulk heterojunction made of blends of copolymers and fullerene derivative [6,6]-phenyl-C61-butyric acid methyl ester were prepared and characterized. Effects of intramolecular charge transfer strength and side-chain nature and length on photophysical properties are discussed. (en)
Title	Low-bandgap donor–acceptor copolymers with 4,6-bis(3´-(2-ethylhexyl)thien-2´-yl)thieno[3,4-c][1,2,5]thiadiazole: synthesis, optical, electrochemical, and photovoltaic properties Low-bandgap donor–acceptor copolymers with 4,6-bis(3´-(2-ethylhexyl)thien-2´-yl)thieno[3,4-c][1,2,5]thiadiazole: synthesis, optical, electrochemical, and photovoltaic properties (en)
skos:prefLabel	Low-bandgap donor–acceptor copolymers with 4,6-bis(3´-(2-ethylhexyl)thien-2´-yl)thieno[3,4-c][1,2,5]thiadiazole: synthesis, optical, electrochemical, and photovoltaic properties Low-bandgap donor–acceptor copolymers with 4,6-bis(3´-(2-ethylhexyl)thien-2´-yl)thieno[3,4-c][1,2,5]thiadiazole: synthesis, optical, electrochemical, and photovoltaic properties (en)
skos:notation	RIV/61389013:_____/11:00360802!RIV12-AV0-61389013
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M06031), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Výprachtický, Drahomír Cimrová, Věra Kmínek, Ivan Pavlačková, Petra
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 makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	210028
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/11:00360802
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	conjugated polymers; electrochemistry; lowbandgap (en)
http://linked.open.../riv/klicoveSlovo	conjugated polymers lowbandgap electrochemistry
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[DB96817BA783]
http://linked.open...i/riv/nazevZdroje	Journal of Polymer Science. Part A - Polymer Chemistry
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Materials and components for environment protection
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	49
http://linked.open...iv/tvurceVysledku	Cimrová, Věra Kmínek, Ivan Pavlačková, Petra Výprachtický, Drahomír
http://linked.open...ain/vavai/riv/wos	000293279500019
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	0887-624X
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/pola.24780

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