Abstract
Spectral luminescence characteristics, viz., quantum yields and luminescence lifetime, of the Yb3+ and Nd3+ ions in aqueous-methanolic solutions of their complexes with chromophoric benzo-15-crown-5 derivatives were determined. The efficient 4f-luminescence (λexc = 337 nm) is due to the intramolecular transfer of the excitation energy from the chromophoric moiety of the molecule to the Ln3+ ion.
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Korovin, Y.V., Rusakova, N.V. & Popkov, Y.A. Luminescence of lanthanides in complexes with chromophoric crown ethers. Russian Chemical Bulletin 51, 2303–2305 (2002). https://doi.org/10.1023/A:1022160007902
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DOI: https://doi.org/10.1023/A:1022160007902