Abstract
Perfluorosulfonic membranes were modified by terbium(III) polypyridyl complexes by ionexchange sorption of cations followed by addition of ligands. The luminescence sensitization degree is compared with the state of ligands in the grafted complexes. In the case of the terbium(III) 4,7-diphenylphenanthroline complex, strong blue luminescence of the ligand is observed, along with radiation transitions of the cation. The character of luminescence quenching in modified membranes in a wet medium is determined by the ability of ligands to prevent terbium from adsorbing water molecules.
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Original Russian Text © S.M. Shilov, K.A. Gavronskaya, A.N. Borisov, V.N. Pak, 2008, published in Zhurnal Obshchei Khimii, 2008, Vol. 78, No. 9, pp. 1544–1549.
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Shilov, S.M., Gavronskaya, K.A., Borisov, A.N. et al. Sensitization of Tb3+ luminescence with polypyridyl ligands in a nafion membrane. Russ J Gen Chem 78, 1775–1779 (2008). https://doi.org/10.1134/S1070363208090211
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DOI: https://doi.org/10.1134/S1070363208090211