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Effect of the Excitation of the 4f Shell of Eu(fod)3 on the Formation of Complexes with 1,10-Phenanthroline

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Abstract

The effect of the electronic excitation of the β-diketonate Eu(fod)3 (fod is 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyloctanedione-3,5) on complexation with 1,10-phenanthroline (phen) in benzene solutions was studied. The excitation of the f–f transitions of Eu3+ increased the stability of the Eu(fod)3 · phen complex, thus providing direct evidence for the involvement of the 4f shell of Eu3+ in chemical bonding. The thermodynamic parameters of complexation were determined. The temperature quenching of Eu(fod)3 · phen luminescence was studied.

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Authors and Affiliations

  1. Institute of Organic Chemistry, Ufa Scientific Center, Russian Academy of Sciences, pr. Oktyabrya 71, Ufa, 450054, Russia

    V. P. Kazakov, S. S. Ostakhov, O. V. Rubtsova & G. Kh. Akhmadeeva

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  1. V. P. Kazakov
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  2. S. S. Ostakhov
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  3. O. V. Rubtsova
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  4. G. Kh. Akhmadeeva
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Kazakov, V.P., Ostakhov, S.S., Rubtsova, O.V. et al. Effect of the Excitation of the 4f Shell of Eu(fod)3 on the Formation of Complexes with 1,10-Phenanthroline. High Energy Chemistry 38, 31–34 (2004). https://doi.org/10.1023/B:HIEC.0000012061.33353.8d

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  • DOI: https://doi.org/10.1023/B:HIEC.0000012061.33353.8d

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