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- Johansson, DM (author)
Influence of polymerization temperature on molecular weight, photoluminescence, and electroluminescence for a phenyl-substituted poly(p-phenylenevinylene)
- Article/chapterEnglish2001
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- 2001
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:liu-49251
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-49251URI
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- Language:English
- Summary in:English
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- We present the synthesis and characterization of poly(2-(2",5'-bis(2"-ethylhexyloxy)phenyl)-1,4-phenylenevinylene) (BEHP-PPV) polymerized at different temperatures. The photoluminescence efficiencies in the solid state of BEHP-PPV obtained at 144 and 0 degreesC are 28% and 60%, respectively. H-1 NMR measurements showed a lower concentration of structural defects for BEHP-PPV obtained at lower temperatures, which can explain the increased photoluminescence efficiencies for these polymers. Polymerization temperatures below 0 degreesC decrease the molecular weight without changing the photoluminescence efficiency to any large extent. The electroluminescence efficiencies follow the trend in the photoluminescence efficiencies.
Subject headings and genre
- TECHNOLOGY
- TEKNIKVETENSKAP
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- Theander, MChalmers Univ Technol, Dept Polymer Technol, SE-41296 Gothenburg, Sweden Chalmers Univ Technol, Dept Organ Chem, SE-41296 Gothenburg, Sweden Linkoping Univ, Dept Phys IFM, SE-58183 Linkoping, Sweden UNIAX Corp, Goleta, CA 93117 USA (author)
- Srdanov, GChalmers Univ Technol, Dept Polymer Technol, SE-41296 Gothenburg, Sweden Chalmers Univ Technol, Dept Organ Chem, SE-41296 Gothenburg, Sweden Linkoping Univ, Dept Phys IFM, SE-58183 Linkoping, Sweden UNIAX Corp, Goleta, CA 93117 USA (author)
- Yu, GChalmers Univ Technol, Dept Polymer Technol, SE-41296 Gothenburg, Sweden Chalmers Univ Technol, Dept Organ Chem, SE-41296 Gothenburg, Sweden Linkoping Univ, Dept Phys IFM, SE-58183 Linkoping, Sweden UNIAX Corp, Goleta, CA 93117 USA (author)
- Inganäs, OlleLinköpings universitet,Tekniska högskolan,Biomolekylär och Organisk Elektronik(Swepub:liu)ollin59 (author)
- Andersson, MR (author)
- Chalmers Univ Technol, Dept Polymer Technol, SE-41296 Gothenburg, Sweden Chalmers Univ Technol, Dept Organ Chem, SE-41296 Gothenburg, Sweden Linkoping Univ, Dept Phys IFM, SE-58183 Linkoping, Sweden UNIAX Corp, Goleta, CA 93117 USATekniska högskolan (creator_code:org_t)
Related titles
- In:Macromolecules34:11, s. 3716-37190024-92971520-5835
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- Johansson, DM
- Theander, M
- Srdanov, G
- Yu, G
- Inganäs, Olle
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- Linköping University
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