The Fluorescence of the Europium and Terbium Dibenzoylmethides
- 1 January 1964
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 111 (11) , 1253-1255
- https://doi.org/10.1149/1.2425971
Abstract
Data on the fluorescence spectra, fluorescence lifetimes, and the temperature dependence of these quantities for the dibenzoylmethane chelates of europium and of terbium in a variety of environments are presented. The effect of the environments studied on the europium chelate is much more pronounced than on the terbium chelate. Lewis bases cause a decrease in temperature dependence of fluorescence in the europium chelate. Quenching of fluorescence takes place through vibronic interaction with the lowest excited (triplet) state of the ligand.Keywords
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