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Structure and photophysical properties of new lanthanide(III) complexes [Ln(C10H8O6)1.5(H2O)3]·H2O

Paper ID Volume ID Publish Year Pages File Format Full-Text
28193 44064 2009 9 PDF Available
Title
Structure and photophysical properties of new lanthanide(III) complexes [Ln(C10H8O6)1.5(H2O)3]·H2O
Abstract

A serie of lanthanide complexes with o-phenylenedioxydiacetic acid (PDDA) was synthesized and the crystal structure was resolved. The compounds [Ln(C10H8O6)1.5(H2O)3]·H2O (where Ln = Tb(III), Gd(III) and Eu(III)), crystallize as polymer with the space group Pbcn and a = 34.075(2) Å, b = 12.595(1) Å, c = 8.314(1) Å. Absorption, emission, and excitation spectra at 293 K, 77 K and 4 K as well as luminescence decay time measurements were used to characterize the dynamics of the excited states and to determine the ligand-to-metal energy transfer mechanism for the complexes in solid state and solution. The role of the C–T state in these processes has been analysed. The results are compared with those achieved for a Na[Eu(C10H8O6)2(H2O)2]·4H2O complex and a Eu(III) complex with PDDA in aqueous solution.

Keywords
Terbium; Europium; Luminescence; Charge transfer state; O-Phenylenedioxydicarboxylic acid
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Structure and photophysical properties of new lanthanide(III) complexes [Ln(C10H8O6)1.5(H2O)3]·H2O
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 202, Issue 1, 5 February 2009, Pages 1–9
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
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Any Questions? feel free to contact us