Syntheses, structures, luminescence, and magnetism of four 3D lanthanide 5-sulfosalicylates |
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Authors: | Rui-Sha Zhou |
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Affiliation: | College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, Jilin 130021, P.R. China |
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Abstract: | Four 3D lanthanide(III) complexes with 5-sulfosalicylic acid (H3SSA) as bridging ligands, Ln(SSA)(H2O)2 [Ln=Ce(III) (1), Pr(III) (2), Nd(III) (3) and Dy(III) (4)], have been synthesized and characterized by elemental analysis, IR, XRD and single-crystal X-ray diffraction. X-ray structural analysis reveals that isostructral complexes 1-4 possess 3D structures with 4664 topology. Complexes 1 and 2 exhibit broad intraligand fluorescent emission bands. Complexes 3 and 4 not only display intraligand fluorescent emission bands, but also present Nd(III) characteristic emission in the near-IR region and sensitized luminescence of Dy(III) ions in the visible region, respectively. Variable-temperature magnetic susceptibility measurements of 2-4 have been studied over the temperature range of 4-300 K. |
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Keywords: | Lanthanide 5-sulfosalicylate Topology Luminescence Magnetism |
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