Fluorescence Spectra of Homogeneous and Mixed Europium Complexes

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Abstract:

High-resolution emission spectra of several europium complexes with β-diketones, dipyridyl, and phenanthroline have been examined at 77°K in microcrystals. The Stark splitting of the 7 F levels in the ground multiplet and the relative intensities of the individual 5 D 07 F transitions can be used for theoretical correlation with the ligand field parameters, transition probabilities, molecular structure, and Eu-ligand bonding. The fluorescence spectra of the bis-aqua, tris, tris-aqua, tetrakis, and mixed chelates with the bidentate ligands are discussed in relation to molecular configuration.

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370268774384272

Affiliations: 1: Department of Chemistry, The George Washington University, Washington, D. C. 20006 2: NASA–Goddard Space Flight Center, Greenbelt, Maryland

Publication date: September 1, 1968

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