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Fullerene Nucleatin...
Fullerene Nucleating Agents: A Route Towards Thermally Stable Photovoltaic Blends
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- Lindqvist, Camilla, 1985 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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- Bergqvist, Jonas (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Feng, Ching-Chiao, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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- Gustafsson, Stefan, 1976 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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- Bäcke, Olof, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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- Treat, N. D. (author)
- Imperial College of Science, Technology and Medicine,Imperial College London, UK
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- Bounioux, C. (author)
- Ben-Gurion University of the Negev,Ben Gurion University of Negev, Israel
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- Henriksson, Patrik, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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- Kroon, Renee, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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- Wang, Ergang, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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- Sanz-Velasco, Anke, 1971 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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- Kristiansen, Per Magnus (author)
- University of Applied Sciences Northwestern Switzerland, School of Enginnering,University of Applied Sciences and Arts Northwestern Switzerland (FHNW), Windisch, Switzerland
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- Stingelin, N. (author)
- Imperial College of Science, Technology and Medicine,Imperial College London, UK
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- Olsson, Eva, 1960 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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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 University of Technology, Göteborg, Sweden
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- Müller, Christian, 1980 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg, Sweden
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(creator_code:org_t)
- 2014-03-04
- 2014
- English.
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In: Advanced Energy Materials. - : Wiley. - 1614-6840 .- 1614-6832. ; 4:9, s. 1301437-
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http://dx.doi.org/10...
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https://research.cha...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- The bulk-heterojunction nanostructure of non-crystalline polymer: fullerene blends has the tendency to rapidly coarsen when heated above its glass transition temperature, which represents an important degradation mechanism. We demonstrate that fullerene nucleating agents can be used to thermally arrest the nanostructure of photovoltaic blends that comprise a non-crystalline thiophene-quinoxaline copolymer and the widely used fullerene derivative [6,6]-phenyl-C-61-butyric acid methyl ester (PCBM). To this end, C-60 fullerene is employed to efficiently nucleate PCBM crystallization. Sub-micrometer-sized fullerene crystals are formed when as little as 2 wt% C-60 with respect to PCBM is added to the blend. These reach an average size of only 200 nanometers upon introduction of more than 8 wt% C-60. Solar cells based on C-60-nucleated blends indicate significantly improved thermal stability of the bulk-heterojunction nanostructure even after annealing at an elevated temperature of 130 degrees C, which lies above the glass transition temperature of the blend. Moreover, we find that various other compounds, including C-70 fullerene, single-walled carbon nanotubes, and sodium benzoate, as well as a number of commercial nucleating agents-commonly used to clarify isotactic polypropylene-permit to control crystallization of the fullerene phase.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- conjugated polymer; fullerene; solar cell; nucleating agent; thermal stability
Publication and Content Type
- art (subject category)
- ref (subject category)
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Lindqvist, Camil ...
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Bergqvist, Jonas
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Feng, Ching-Chia ...
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Gustafsson, Stef ...
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Bäcke, Olof, 198 ...
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Treat, N. D.
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Bounioux, C.
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Henriksson, Patr ...
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Kroon, Renee, 19 ...
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Wang, Ergang, 19 ...
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Sanz-Velasco, An ...
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Kristiansen, Per ...
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Stingelin, N.
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Olsson, Eva, 196 ...
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Inganäs, Olle
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Andersson, Mats, ...
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Müller, Christia ...
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ENGINEERING AND ...
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ENGINEERING AND ...
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NATURAL SCIENCES
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NATURAL SCIENCES
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Advanced Energy ...
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Chalmers University of Technology
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Linköping University