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2D π-conjugated ben...
2D π-conjugated benzo[1,2-b:4,5-b']dithiophene- and quinoxaline-based copolymers for photovoltaic applications
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Bolognesi, Margherita (author)
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- Gedefaw, Desta Antenehe, 1971 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Dang, Dongfeng, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Henriksson, Patrik, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Zhuang, Wenliu, 1979 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Tessarolo, Marta (author)
- Istituto per lo Studio dei Materiali Nanostrutturati del C.N.R.
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- Wang, Ergang, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Muccini, Michele (author)
- Istituto per lo Studio dei Materiali Nanostrutturati del C.N.R.
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- Seri, Mirko (author)
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF-CNR),Institute for organic syntheses and photoreactivity (ISOF-CNR)
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- Andersson, Mats, 1966 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Chalmers tekniska högskola Istituto per lo Studio dei Materiali Nanostrutturati del CN.R. (creator_code:org_t)
- 2013
- 2013
- English.
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In: RSC Advances. - 2046-2069. ; 3:46, s. 24543-24552
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http://dx.doi.org/10...
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https://doi.org/10.1...
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Abstract
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- Two medium gap semiconducting polymers, P(1)-Q-BDT-4TR and P(2)-FQ-BDT-4TR, based on alternate units of alkyl-dithiophene substituted benzodithiophene (BDT) and quinoxaline units (without or with fluorine substitution), are synthesized and fully characterized. The polymers exhibit optical and electrical properties favorable for being employed as donors in BHJ OPV devices, such as: absorption spectra extending up to around 720 nm for a high solar spectrum coverage, deep lying HOMO energy levels for a high device open circuit voltage and LUMO energy levels higher than those of PC61BM and PC71BM for an efficient exciton dissociation. In particular, the presence of alkyl-dithiophene side chains allows us to obtain a high 2D π-conjugation which promotes red shifted absorption profiles, low HOMO energy levels (
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
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- art (subject category)
- ref (subject category)
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- By the author/editor
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Bolognesi, Margh ...
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Gedefaw, Desta A ...
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Dang, Dongfeng, ...
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Henriksson, Patr ...
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Zhuang, Wenliu, ...
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Tessarolo, Marta
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show more...
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Wang, Ergang, 19 ...
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Muccini, Michele
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Seri, Mirko
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Andersson, Mats, ...
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show less...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Environmental En ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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RSC Advances
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Chalmers University of Technology