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Luminescence properties of a family of lanthanide metal-organic frameworks
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK). Assiut University, Egypt.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK). PORT Polish Center for Technology Development, Poland.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
Vise andre og tillknytning
Rekke forfattare: 82019 (engelsk)Inngår i: Microporous and Mesoporous Materials, ISSN 1387-1811, E-ISSN 1873-3093, Vol. 279, s. 400-406Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

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(3)L2) and a mixture of H(3)L2 and 4,4',4 ''-(benzene-1,3,5-triyl)tris(benzoic acid) (H3BTB) 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.

sted, utgiver, år, opplag, sider
2019. Vol. 279, s. 400-406
Emneord [en]
Metal-organic frameworks, Lanthanide MOFs, Antenna effect, Luminescence, Photostability, Photophysical properties
HSV kategori
Identifikatorer
URN: urn:nbn:se:su:diva-167553DOI: 10.1016/j.micromeso.2019.01.024ISI: 000460843500044OAI: oai:DiVA.org:su-167553DiVA, id: diva2:1304446
Tilgjengelig fra: 2019-04-12 Laget: 2019-04-12 Sist oppdatert: 2019-04-12bibliografisk kontrollert

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Abdelhamid, Hani NasserWilk-Kozubek, MagdalenaGómez, Antonio BermejoValiente, AlejandroMartín-Matute, BelénMudring, Anja-VerenaZou, Xiaodong
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