Luminescent 1,10-Phenanthroline β-Diketonate Europium Complexes with Large Second-Order Nonlinear Optical Properties

Substitution of the diglyme ligand of [Eu(hfa)3(diglyme)] (where hfa is hexafluoroacetylacetonate) with a simple 1,10-phenanthroline leads to a six-fold increase of the product μβEFISH, as measured by the Electric-Field-Induced Second Harmonic generation (EFISH) technique. Similarly, [Eu(tta)3(1,10-...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2022-10, Vol.27 (20), p.6990
Main Authors: Fagnani, Francesco, Colombo, Alessia, Malandrino, Graziella, Dragonetti, Claudia, Pellegrino, Anna Lucia
Format: Article
Language:English
Subjects:
antenna-ligand
Electric fields
Europium
europium complexes
Investigations
Ligands
Multifunctional materials
Nonlinear optics
Optical properties
Oxidation
Second harmonic generation
second-order nonlinear optics
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Summary:Substitution of the diglyme ligand of [Eu(hfa)3(diglyme)] (where hfa is hexafluoroacetylacetonate) with a simple 1,10-phenanthroline leads to a six-fold increase of the product μβEFISH, as measured by the Electric-Field-Induced Second Harmonic generation (EFISH) technique. Similarly, [Eu(tta)3(1,10-phenanthroline)] (where Htta is 2-thenoyltrifluoroacetone) is characterized by a large second-order NLO response. Both 1,10-phenanthroline europium complexes have great potential as multifunctional materials for photonics.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules27206990