Blocking effect of ligand spacer groups on the luminescence excitation of europium aromatic carboxylates

The opportunity of luminance optimisation of europium aromatic carboxylates by modification of ligands is discussed. Luminescence, luminescence excitation spectra and luminescence efficiencies of europium phenyl-, naphthyl- and indolylcarboxylates and their adducts with 1,10-phenanthroline were inve...

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Bibliographic Details
Published in:Journal of alloys and compounds 2008-02, Vol.451 (1), p.153-157
Main Authors: Tsaryuk, V., Zolin, V., Zhuravlev, K., Kudryashova, V., Legendziewicz, J., Szostak, R.
Format: Article
Language:English
Subjects:
Aromatic carboxylates
Blocking effect
Eu 3
Excitation spectra
Luminescence efficiency
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Summary:The opportunity of luminance optimisation of europium aromatic carboxylates by modification of ligands is discussed. Luminescence, luminescence excitation spectra and luminescence efficiencies of europium phenyl-, naphthyl- and indolylcarboxylates and their adducts with 1,10-phenanthroline were investigated. Causes of variations of the luminescence efficiencies of the compounds under investigation within the range of 10 3 were analysed. Blocking effect of ligand spacer groups CH 2 and acceptor NO 2-groups on the excitation energy transfer to Eu 3+ ions was examined.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2007.04.126