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- Title
Perfluoroalkyl Chain Length Effect on Crystal Packing and [LnO 8 ] Coordination Geometry in Lanthanide-Lithium β-Diketonates: Luminescence and Single-Ion Magnet Behavior.
- Authors
Smirnova, Kristina A.; Edilova, Yulia O.; Kiskin, Mikhail A.; Bogomyakov, Artem S.; Kudyakova, Yulia S.; Valova, Marina S.; Romanenko, Galina V.; Slepukhin, Pavel A.; Saloutin, Victor I.; Bazhin, Denis N.
- Abstract
Functionalized perfluoroalkyl lithium β-diketonates (LiL) react with lanthanide(III) salts (Ln = Eu, Gd, Tb, Dy) in methanol to give heterobimetallic Ln-Li complexes of general formula [(LnL3)(LiL)(MeOH)]. The length of fluoroalkyl substituent in ligand was found to affect the crystal packing of complexes. Photoluminescent and magnetic properties of heterobimetallic β-diketonates in the solid state are reported. The effect of the geometry of the [LnO8] coordination environment of heterometallic β-diketonates on the luminescent properties (quantum yields, phosphorescence lifetimes for Eu, Tb, Dy complexes) and single-ion magnet behavior (Ueff for Dy complexes) is revealed.
- Subjects
RARE earth metals; FLUOROALKYL compounds; LUMINESCENCE; HETEROBIMETALLIC complexes; MAGNETS; CRYSTALS; SUPERCONDUCTING magnets; PHOSPHORESCENCE
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 11, p9778
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms24119778