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Spectroscopic properties of lanthanoid benzene carboxylates in the solid state: Part 1

Paper ID Volume ID Publish Year Pages File Format Full-Text
28194 44064 2009 11 PDF Available
Title
Spectroscopic properties of lanthanoid benzene carboxylates in the solid state: Part 1
Abstract

Europium and terbium complexes of benzoic acid (HBA), 9-anthracene carboxylic acid (9-HACA), 1-naphthoic acid (1-HNA), 2-naphthoic acid (2-HNA), cinnamic acid (HCA), o-phenylbenzoic acid (o-HPhBA), p-phenylbenzoic acid (p-HPhBA), o-methylbenzoic acid (o-HMeBA), m-methylbenzoic acid (m-HMeBA), p-methylbenzoic acid (p-HMeBA), p-tert-butylbenzoic acid (p-tertHBuBA), phthalic acid (H2Phth), isophthalic acid (H2-IsoPhth) and terephthalic acid (H2-TerePhth) were synthesised by aqueous metathesis reactions. The compositions were determined by microanalysis, DTA, and EDTA volumetric methods. Structural conclusions were drawn from powder XRD patterns and IR spectra. The optoelectronic properties were determined in the solid state, including reflectance, excitation, emission, and excitation efficiency, complemented by considering triplet state energies, which were derived from phosphorescence spectra of the corresponding gadolinium complexes. Besides the emission efficiencies, the splitting pattern of the 5D0 → 7FJ transitions of Eu3+ were used to derive structural information and the intensities relative to the 5D0 → 7FJ were used to gain information about the mechanism, adding electronic allowed dipole character to the forbidden emissions.

Keywords
Lanthanoids; Carboxylates; Benzoates; Luminescence; Solid state
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Spectroscopic properties of lanthanoid benzene carboxylates in the solid state: Part 1
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 202, Issue 1, 5 February 2009, Pages 10–20
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us