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Fluorescent properties of europium(III) complexes with polyacrylic acid containing graftedo-phenanthroline groups

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Abstract

Fluorescent properties of EuIII complexes with polyacrylic acid containing graftedo-phenanthroline groups were studied. The presence ofo-phenanthroline groups (2%) in the macromolecular ligand provides a 2- to 3-fold increase in the fluorescence intensity as compared to that for EuIII polyacrylates. The effect of concentration quenching of fluorescence, which is observed as the temperature decreases from 300 to 77 K, is explained by the shortening of the average Eu-Eu distances and by the increase in the efficiency of energy redistribution in the complex.

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Authors and Affiliations

  1. Institute of Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159 prosp. 100-letiya Vladivostoka, 690022, Vladivostok, Russian Federation

    A. G. Mirochnik, N. V. Petrochenkova & V. E. Karasev

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  1. A. G. Mirochnik
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  2. N. V. Petrochenkova
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  3. V. E. Karasev
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 12, pp. 2253–2255, December, 1997.

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Mirochnik, A.G., Petrochenkova, N.V. & Karasev, V.E. Fluorescent properties of europium(III) complexes with polyacrylic acid containing graftedo-phenanthroline groups. Russ Chem Bull 46, 2135–2137 (1997). https://doi.org/10.1007/BF02495269

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  • DOI: https://doi.org/10.1007/BF02495269

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