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Phase behaviour of ...
Phase behaviour of liquid-crystalline polymer/fullerene organic photovoltaic blends : thermal stability and miscibility
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- Müller, Christian (author)
- Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden,Biomolecular and Organic Electronics,Esfera UAB
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- Bergqvist, Jonas (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten,Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden,Biomolecular and Organic Electronics
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- Vandewal, Koen (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten,Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden,Biomolecular and Organic Electronics
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- Tvingstedt, Kristofer (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan,Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden,Biomolecular and Organic Electronics
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- Anselmo, Ana Sofia, 1980- (author)
- Karlstads universitet,Avdelningen för fysik och elektroteknik,Materialvetenskap,Materialfysik,Karlstads University
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- Magnusson, Roger (author)
- Linköpings universitet,Tekniska högskolan,Tillämpad optik,Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden,Applied Optics
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- Alonso, M. Isabel (author)
- Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Esfera UAB, ES-08193 Bellaterra, Spain
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- Moons, Ellen, 1966- (author)
- Karlstads universitet,Avdelningen för fysik och elektroteknik,Materialvetenskap,Materialfysik,Karlstads University
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- Arwin, Hans (author)
- Linköpings universitet,Tillämpad optik,Tekniska högskolan,Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden,Applied Optics
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- Campoy-Quiles, Mariano (author)
- Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Esfera UAB, ES-08193 Bellaterra, Spain
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- Inganäs, Olle (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan,Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden,Biomolecular and Organic Electronics
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(creator_code:org_t)
- RSC Publishing, 2011
- 2011
- English.
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In: Journal of Materials Chemistry. - : RSC Publishing. - 0959-9428 .- 1364-5501. ; 21, s. 10676-10684
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The thermal behaviour of an organic photovoltaic (OPV) binary system comprised of a liquidcrystalline fluorene-based polymer and a fullerene derivative is investigated. We employ variabletemperature ellipsometry complemented by photo- and electroluminescence spectroscopy as well as optical microscopy and scanning force nanoscopy to explore phase transitions of blend thin films. The high glass transition temperature correlates with the good thermal stability of solar cells based on these materials. Furthermore, we observe partial miscibility of the donor and acceptor together with the tendency of excess fullerene derivative to segregate into exceedingly large domains. Thus, for charge generation less adequate bulk-heterojunction nanostructures are poised to develop if this mixture is exposed to more elevated temperatures. Gratifyingly, the solubility of the fullerene derivative in the polymer phase is found to decrease if a higher molecular-weight polymer fraction is employed, which offers routes towards improving the photovoltaic performance of non-crystalline OPV blends.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Textil-, gummi- och polymermaterial (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Textile, Rubber and Polymeric Materials (hsv//eng)
Keyword
- Chemistry
- Kemi
- Physics
- Fysik
- TECHNOLOGY
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Müller, Christia ...
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Bergqvist, Jonas
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Vandewal, Koen
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Tvingstedt, Kris ...
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Anselmo, Ana Sof ...
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Magnusson, Roger
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Alonso, M. Isabe ...
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Moons, Ellen, 19 ...
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Arwin, Hans
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Campoy-Quiles, M ...
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Inganäs, Olle
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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 ...
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and Physical Chemist ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Textile Rubber a ...
- Articles in the publication
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Journal of Mater ...
- By the university
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Karlstad University
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Linköping University