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Excitation energy transfer in partly ordered polymer films differing in donor and acceptor transition moments orientation
Abstrakt
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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Autorzy (9)
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Anna Synak
- University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
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Piotr Bojarski
- University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
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Michał Sadownik
- University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
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Ignacy Gryczyński
- University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
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Beata Grobelna
- University of Gdansk Faculty of Chemistry
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Simeonika Rangełowa-Jankowska
- University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
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Dawid Jankowski
- University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
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Aleksander Kubicki
- University of Gdansk Faculty of Mathematics, Physics and Informatics, Institute of Experimental Physics
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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OPTICAL MATERIALS
nr 59,
strony 34 - 38,
ISSN: 0925-3467 - Język:
- angielski
- Rok wydania:
- 2016
- Opis bibliograficzny:
- 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:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.optmat
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 143 razy
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