Synthesis, crystal structure and photophysical properties of europium(III) and terbium(III) complexes with pyridine-2,6-dicarboxamide
Publication year
2007Source
Inorganica Chimica Acta, 360, 1, (2007), pp. 102-108ISSN
Publication type
Article / Letter to editor

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Organization
Solid State Chemistry
Journal title
Inorganica Chimica Acta
Volume
vol. 360
Issue
iss. 1
Page start
p. 102
Page end
p. 108
Subject
Molecular MaterialsAbstract
The reactions of pyridine-2,6-dicarboxamide with europium(III) and terbium(III) triflates led to the formation of mononuclear complexes of formula [Ln(pcam)(3)](CF3SO3)(3) (Ln = Eu 1, Tb 2; pcam stands for pyridine-2,6-dicarboxamide). From single-crystal X-ray diffraction analysis, the complexes were found to be isomorphous and isostructural. The [Ln(pcam)(3)](3+) cations and triflate counterions are connected by intermolecular hydrogen bonds, resulting in a 3D network structure. Both the europium(III) and terbium(III) complexes exhibit efficient ligand sensitized luminescence in the visible region with lifetimes of 1.9 ms and 2.2 ms, respectively, in the solid state. (c) 2006 Elsevier B.V. All rights reserved.
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