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Issue 39, 2016, Issue in Progress
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The conjugate base of methyl 3-oxobutanoate as an antenna ligand in visible-emitting photoluminescent lanthanide complexes

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Abstract

Coordination compounds with the formulae [Y(MAA)3]x (1Y), [Ln(MAA)3]x (1Ln), [Y(MAA)3(phen)] (2Y) and [Ln(MAA)3(phen)] (2Ln) (Ln = Sm, Eu, Tb, Dy, Yb; MAA = conjugate base of methyl 3-oxo-butanoate; phen = 1,10-phenantroline) were synthesized and characterized, and X-ray diffraction data were collected for [Tb(MAA)3(phen)] (2Tb) and [Yb(MAA)3(phen)] (2Yb). Most of the lanthanide derivatives showed appreciable luminescence in the solid state upon excitation with near-UV light. Strong emissions were observed in particular for complexes of lanthanide ions with high-energy resonance levels. Visible-emitting [Ln(MAA)3(phen)] compounds were successfully used as dopants for the preparation of luminescent poly(methylmethacrylate) samples. Similar derivatives of the conjugate base of dimethyl malonate (DMM), with formulae [Y(DMM)3(phen)] (3Y) and [Ln(DMM)3(phen)] (3Ln) (Ln = Eu, Tb, Dy), were also synthesized and their photoluminescence behaviour was compared to that of the analogous methyl 3-oxo-butanoato-complexes.

Graphical abstract: The conjugate base of methyl 3-oxobutanoate as an antenna ligand in visible-emitting photoluminescent lanthanide complexes

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Supplementary files

Article information


Submitted
20 Jan 2016
Accepted
20 Mar 2016
First published
24 Mar 2016

RSC Adv., 2016,6, 32727-32739
Article type
Paper

The conjugate base of methyl 3-oxobutanoate as an antenna ligand in visible-emitting photoluminescent lanthanide complexes

M. Bortoluzzi, A. Reolon, J. Castro, F. Enrichi, G. Albertin and C. Bragato, RSC Adv., 2016, 6, 32727 DOI: 10.1039/C6RA01741J

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