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Low bandgap polymer...
Low bandgap polymers synthesized by FeCl(3) oxidative polymerization
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- Cai, Tianqi (author)
- Chalmers tekniska högskola,Chalmers University of Technology,East China University of Science and Technology,Chalmers
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- Zhou, Yi (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Wang, Ergang, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers
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- Hellström, Stefan, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers
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- Zhang, Fengling (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Xu, S. A. (author)
- East China University of Science and Technology
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- Inganäs, Olle (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Andersson, Mats, 1966 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers
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(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- English.
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In: Solar Energy Materials and Solar Cells. - : Elsevier BV. - 0927-0248. ; 94:7, s. 1275-1281
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Abstract
Subject headings
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- Four low bandgap polymers, combining an alkyl thiophene donor with benzo[c][1,2,5]thiadiazole, 2,3-diphenylquinoxaline, 2,3-diphenylthieno[3,4-b]pyrazine and 6,7-diphenyl-[1,2,5]thiadiazolo[3,4-g] quinoxaline acceptors in a donor-acceptor-donor architecture, were synthesized via FeCl3 oxidative polymerization. The molecular weights of the polymers were improved by introducing o-dichlor-obenzene (ODCB) as the reaction solvent instead of the commonly used solvent, chloroform. The photophysical, electrochemical and photovoltaic properties of the resulting polymers were investigated and compared. The optical bandgaps of the polymers vary between 1.0 and 1.9 eV, which is promising for solar cells. The devices spin-coated from an ODCB solution of P1DB:[70]PCBM showed a power conversion efficiency of 1.08% with an open-circuit voltage of 0.91 V and a short-circuit current density of 3.36 mA cm(-2) under irradiation from an AM1.5G solar simulator (100 mW cm(-2)). (C) 2010 Elsevier B.V. All rights reserved.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- heterojunction photovoltaic cells
- FeCl3 oxidative
- Polymer solar cells
- conjugated
- thiophene
- 5]thiadiazole
- units
- polymerization
- Benzo[c][1
- 2
- gap polymer
- polymers
- benzothiadiazole
- Bulk heterojunction
- efficiency
- performance
- solar-cells
- thienopyrazine
- Low bandgap polymers
- TECHNOLOGY
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Cai, Tianqi
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Zhou, Yi
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Wang, Ergang, 19 ...
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Hellström, Stefa ...
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Zhang, Fengling
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Xu, S. A.
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Inganäs, Olle
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Andersson, Mats, ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
- Articles in the publication
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Solar Energy Mat ...
- By the university
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Chalmers University of Technology
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Linköping University