Abstract
An analysis of the absorption and luminescence spectra and luminescence kinetics showed that in the Eu(DK)3bpy17-17 mesogenic adduct, 5,5′-diheptadecyl-2,2′-bipyridine (bpy17-17) took an active part in the energy transfer to the Eu3+ ion. The interligand energy transfer from β-diketonate (DK) ligands was the major mechanism of excitation of bpy17-17. Importantly, the interligand excitation complex considerably decreased radiation losses during the energy transfer from the absorbing DK ligands to the emitting level of Eu3+.
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Original Russian Text Copyright © 2009 by D. V. Lapaev, V. G. Nikiforov, G. M. Safiullin, I. G. Galyaviev, V. I. Dzabarov, A. A. Knyazev, V. S. Lobkov, and Yu. G. Galyametdinov
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Translated from Zhurnal Strukturnoi Khimii, Vol. 50, No. 4, pp. 802–808, July–August, 2009.
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Lapaev, D.V., Nikiforov, V.G., Safiullin, G.M. et al. Interligand energy transfer in europium(III) mesogenic adducts. J Struct Chem 50, 775–781 (2009). https://doi.org/10.1007/s10947-009-0117-9
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DOI: https://doi.org/10.1007/s10947-009-0117-9