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Excitation energy transfer in partly ordered polymer films differing in donor and acceptor transition moments orientation

Abstract

Based on spectroscopic measurements selected properties of nonradiative Förster energy transport are studied in uniaxially stretched polyvinyl alcohol thin films for three systems differing in donor and acceptor transition moments orientation relative to the axis of stretching. In particular, donor – acceptor emission anisotropy spectra yield completely different regularities for these systems in uniaxially stretched films, whereas they are similar in unstretched films. In particular it is shown that acceptor fluorescence can be either strongly polarized after nonradiative energy transfer in stretched films or depolarized depending on the angular distribution of acceptor transition moments in the matrix. Donor and acceptor emission anisotropy decays exhibit similar regularities to those of steady-state measurements. The obtained results are analyzed with the help of Monte Carlo simulations.

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Authors (9)

  • Photo of  Anna Synak

    Anna Synak

    • University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
  • Photo of  Piotr Bojarski

    Piotr Bojarski

    • University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
  • Photo of  Michał Sadownik

    Michał Sadownik

    • University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
  • Photo of  Ignacy Gryczyński

    Ignacy Gryczyński

    • University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
  • Photo of  Beata Grobelna

    Beata Grobelna

    • University of Gdansk Faculty of Chemistry
  • Photo of  Simeonika Rangełowa-Jankowska

    Simeonika Rangełowa-Jankowska

    • University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
  • Photo of  Dawid Jankowski

    Dawid Jankowski

    • University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
  • Photo of  Aleksander Kubicki

    Aleksander Kubicki

    • University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics

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Details

Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
OPTICAL MATERIALS no. 59, pages 34 - 38,
ISSN: 0925-3467
Language:
English
Publication year:
2016
Bibliographic description:
Synak A., Bojarski P., Sadownik M., Kułak L., Gryczyński I., Grobelna B., Rangełowa-Jankowska S., Jankowski D., Kubicki A.: Excitation energy transfer in partly ordered polymer films differing in donor and acceptor transition moments orientation// OPTICAL MATERIALS. -Vol. 59, (2016), s.34-38
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.optmat
Verified by:
Gdańsk University of Technology

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