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Synthesis and characterization of polyfluorenes with light-emitting segments
Chalmers Univ Technol, Dept Polymer Technol, SE-41296 Gothenburg, Sweden Chalmers Univ Technol, Dept Organ Chem, SE-41296 Gothenburg, Sweden Linkoping Univ, IFM, Dept Phys, SE-58183 Linkoping, Sweden.
Chalmers Univ Technol, Dept Polymer Technol, SE-41296 Gothenburg, Sweden Chalmers Univ Technol, Dept Organ Chem, SE-41296 Gothenburg, Sweden Linkoping Univ, IFM, Dept Phys, SE-58183 Linkoping, Sweden.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics .
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2001 (English)In: Macromolecules, ISSN 0024-9297, E-ISSN 1520-5835, Vol. 34, no 6, 1981-1986 p.Article in journal (Refereed) Published
Abstract [en]

Two new polymers consisting of poly(9-(2'-ethylhexyl)-9-hexylfluorene) (EHH-PF) with a small amount of substituted poly(p-phenylenevinylene) (PPV) segments have been synthesized and characterized. The synthetic route was designed to allow the incorporation of only one (or zero) PPV segments per polymer chain. Photoluminescence measurements showed that energy transfer from the PF segments to the more narrow band-gap PPV segments did occur, both in solution and in film. In the solid state, all emissions were detected from the PPV segments with photoluminescence quantum yields up to 68%. One of the polymers has been used as the active material in a microcavity laser device. The threshold for lasing is 2 muJ/cm(2).

Place, publisher, year, edition, pages
2001. Vol. 34, no 6, 1981-1986 p.
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Engineering and Technology
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URN: urn:nbn:se:liu:diva-49339OAI: oai:DiVA.org:liu-49339DiVA: diva2:270235
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12

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Inganäs, Olle

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