Title: Influence of dipicolinate ligands on the spectroscopic properties of europium(III) in solution
Authors: Binnemans, Koen ×
Van Herck, Karel
Görller-Walrand, Christiane #
Issue Date: 1997
Publisher: Elsevier science bv
Series Title: Chemical Physics Letters vol:266 issue:3-4 pages:297-302
Abstract: Absorption spectra of complexes between Eu3+ and the dipicolinate (2,6-pyridinedicarboxylate) ligand are recorded for several metal-to-ligand ratios. The influence of complexation on the spectroscopic properties of Eu3+ is studied. The complexation is reflected in the spectrum by an increase of the spectral intensities of the induced electric dipole transitions, by a distinct crystal field fine structure of (2S+1)L(J) manifolds with small J quantum number and by a red shift of the absorption bands. The Judd-Ofelt intensity parameters Omega(lambda) (lambda = 2, 4, 6) are determined, Special attention is given to symmetry effects in the spectra. It is illustrated how the presence or absence of the 5D0 <-- 7F0 transition provides information about the site symmetry of the Eu3+ ion.
ISSN: 0009-2614
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
× corresponding author
# (joint) last author

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