Abstract
It is established that a fairly intense luminescence of thulium can be observed in solutions (suspensions of residues) of different-ligand complexes that include β-diketone and an organic base. The luminescence characteristics of Tm compounds are determined in the series of acetyl acetone derivatives with different substituents, including fluorinated ones, of different length and structure. A relationship is found between I, ϕ, and τ of the Tm complexes and the character of the substituents in a β-diketone molecule.
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Meshkova, S.B., Topilova, Z.M., Bol'shoi, D.V. et al. Luminescence of Trivalent Thulium Ions in Complexes with β-Diketones. Journal of Applied Spectroscopy 67, 893–897 (2000). https://doi.org/10.1023/A:1004128219846
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DOI: https://doi.org/10.1023/A:1004128219846