Photoluminescent hybrid materials based on lanthanopolyoxotungstates and 3-hydroxypicolinic acid
authors Granadeiro, CM; Ferreira, RAS; Soares-Santos, PCR; Carlos, LD; Nogueira, HIS
nationality International
journal JOURNAL OF ALLOYS AND COMPOUNDS
author keywords polyoxometalates; lanthanides; hybrid materials; photoluminescence
keywords POLYNUCLEAR MOLYBDENUM; TUNGSTEN COMPLEXES; EUROPIUM(III)
abstract A series of organic-inorganic hybrid materials composed by lanthanopolyoxotungstates [Ln(W(5)O(18))(2)](n-) (Ln(III)=Eu, Tb, Er and Yb) and 3-hydroxypicolinic acid were prepared using different lanthanide ions. The compounds were characterized by FT-IR and FT-Raman spectroscopy and elemental analysis. The energy transfer processes from the organic ligand to the lanthanide (antenna effect) in these compounds have been studied by photoluminescence measurements. (C) 2007 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE SA
issn 0925-8388
year published 2008
volume 451
issue 1-2
beginning page 422
ending page 425
digital object identifier (doi) 10.1016/j.jallcom.2007.04.162
web of science category Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering
subject category Chemistry; Materials Science; Metallurgy & Metallurgical Engineering
unique article identifier WOS:000253600400096
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journal impact factor 3.779
5 year journal impact factor 3.315
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