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Title: Spectroscopic properties of monolithic sol-gel glasses doped with lanthanide bipyridyl complexes
Authors: Driesen, Kris
Görller-Walrand, Christiane
Binnemans, Koen # ×
Issue Date: 2001
Publisher: Elsevier science bv
Series Title: Materials science & engineering c-biomimetic and supramolecular systems vol:18 issue:1-2 pages:255-258
Abstract: Lanthanide complexes [Ln(bpy)(2)]Cl-3 (bpy = bipyridyl, 2,2'-bipyridine; Ln = Nd, Ho. Er) were incorporated via a sol-gel process into a silicate glass. Optical absorption spectra of the monolithic glass samples have been recorded. The data were interpreted using the Judd-Ofelt theory, It was found that heat treatment of the glass samples results in a marked increase of the intensity of the hypersensitive transitions, whereas the intensity of the other f-f transitions decreases slightly. These differences in spectral behaviour are mainly caused by the removal of water molecules out of the coordination sphere of the lanthanide ions and by the densification of the glass matrix.
URI: 
ISSN: 0928-4931
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
× corresponding author
# (joint) last author

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