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Title: Field-Induced SMM and Vis/NIR Luminescence on mononuclear lanthanide complexes with 9-Anthracenecarboxylate and 2,2':6,2'-Terpyridine.
Author: Casanovas, Berta
Porcar, Oriol
Speed Castro, Saskia
Vicente Castillo, Ramón
Font Bardia, Ma. Mercedes
Salah El Falah, Mohamed
Keywords: Magnetisme
Compostos de coordinació
Coordination compounds
Issue Date: 2021
Publisher: MDPI
Abstract: Five new mononuclear lanthanide complexes are synthesized by adding the several lanthanide nitrate hexahydrate salts, which for lanthanide (Ln) are Eu, Tb, Dy, Er, and Yb, with 9-anthracenecarboxylic acid (9-Hanthc) and 2,20 :6,200-terpyridine (TPY) in mixed solution of methanol and dimethylformamide (DMF). The general formula is [Eu(9-anthc)3 (TPY)(DMF)]·H2O (1Eu) where Eu(III) is ennea-coordinated or [Ln(9-anthc)3 (TPY)(H2O)]·H2O·DMF (Ln = Tb (2Tb), Dy (3Dy), Er (4Er), and Yb (5Yb)) where Ln(III) is octa-coordinated. For compounds 3Dy, 4Er, and 5Yb, the dynamic ac magnetic study indicated field-induced single molecule magnet (SMM) behavior. The photoluminescence studies in the solid state of these complexes show the sensitization of 4f-4f transitions for 4Er and 5Yb in the NIR region.
Note: Reproducció del document publicat a:
It is part of: Magnetochemistry, 2021, vol. 7, num. 9, p. 124-137
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ISSN: 2312-7481
Appears in Collections:Articles publicats en revistes (Química Inorgànica i Orgànica)

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