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Wilk-Kozubek, Magdalena
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Publications (4/4 displayed)
- 2019Alternative to the Popular Imidazolium Ionic Liquidscitations
- 2019Luminescence properties of a family of lanthanide metal-organic frameworkscitations
- 2019Ionothermal Synthesis, Structures, and Magnetism of Three New Open Framework Iron Halide-Phosphatescitations
- 2017Synthesis, structural characterization and computational studies ofcatena-poly[chlorido[μ3-(pyridin-1-ium-3-yl)phosphonato-κ3O:O′:O′′]zinc(II)]
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article
Luminescence properties of a family of lanthanide metal-organic frameworks
Abstract
<p>Two isostructural series of lanthanide metal-organic frameworks denoted as SUMOF-7II (Ln) and SUMOF-7IIB (Ln) (Ln = La, Ce, Pr, Nd, Sm, Eu, and Gd) were synthesized using4,4′,4''-(pyridine-2,4,6-triyl)tris(benzoic acid) (H<sub>3</sub>L2) and a mixture of H<sub>3</sub>L2 and 4,4′,4′′-(benzene-1,3,5-triyl)tris(benzoic acid) (H<sub>3</sub>BTB) as linkers, respectively. Both series were characterized using powder X-ray diffraction (PXRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), thermal analysis (TGA), and photoluminescence spectroscopy. Photoluminescence measurements show that Eu-MOFs demonstrate a red emission while Pr- and Nd-MOFs display an emission in the near-infrared (NIR) range. On the other hand, La-, Ce-, Sm- and Gd-MOFs exhibit only a ligand-centered emission. The average luminescence lifetimes in the SUMOF-7IIB series are 1.3–1.4-fold longer than the corresponding ones in the SUMOF-7II series. SUMOF-7IIs show a good photo- and thermal stability. Altogether, the properties of SUMOF-7II and SUMOF-7IIB render them promising materials for applications including sensing, biosensing, and telecommunications.</p>