Spectroscopic properties of lanthanoid benzene carboxylates in the solid state: Part 3. N-heteroaromatic benzoates and 2-furanates

Hilder, Matthias, Lezhnina, Marina, Junk, Peter C., and Kynast, Ulrich H. (2013) Spectroscopic properties of lanthanoid benzene carboxylates in the solid state: Part 3. N-heteroaromatic benzoates and 2-furanates. Polyhedron, 52 (SI). pp. 804-809.

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Abstract

Europium and terbium complexes incorporating picolinate, nicotinate, isonicotinate and 2-furanates complexes were synthesised from aqueous solutions. The compositions and structures were determined using infrared spectroscopy, microanalysis, EDTA titrations and X-ray powder diffraction. Furthermore, the optoelectronic solid state properties were determined using reflectance, excitation, emission and phosphorescence spectroscopy. The data was used to quantitatively compare the light output of the luminescent complexes to other carboxylate complexes thus gain further insight into the relation between the electronic structure of the ligand and the luminescence properties. Thus absorption, excitation efficiencies, quantitative emission integrals and triplet energies were determined. The relative intensities as well as the splitting patterns of the ^5D(0)→^7F(J) transitions in the europium emission spectra are also discussed and found to be in good agreement with structural features.

Item ID: 30206
Item Type: Article (Refereed Research - C1)
Keywords: lanthanoids, rare earths, carboxylates, solid state luminescence
ISSN: 1873-3719
Funders: Australian Research Council (ARC)
Date Deposited: 13 Nov 2013 08:47
FoR Codes: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030202 f-Block Chemistry @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
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