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Título: | Photoluminescence, unconventional-range temperature sensing, and efficient catalytic activities of lanthanide metal-organic frameworks |
Autor: | Gomez, Germán E.; Kaczmarek, Anna M.; Van Deun, Rick; Brusau, Elena V.; Narda, Griselda E.; Vega, Daniel; Iglesias, Marta CSIC ORCID ; Gutiérrez-Puebla, Enrique CSIC ORCID; Monge, M. Ángeles CSIC ORCID | Palabras clave: | Luminescence Metal–organic frameworks Cyanosilylation Temperature sensing Lanthanides |
Fecha de publicación: | abr-2016 | Editor: | John Wiley & Sons | Citación: | European Journal of Inorganic Chemistry 2016(10): 1577-1588 (2016) | Resumen: | A luminescent lanthanide metal-organic framework (MOF) based on Eu and Tb ions with 2-phenylsuccinate (EuTb-psa) was obtained solvothermally to explore its behavior as a temperature sensor in an unconventional temperature range through the study of the thermal evolution of the hypersensitive 4f-4f D→F transition and the luminescence lifetime. The efficiency of the luminescence process was evaluated through the europium intrinsic quantum yield (Q), and its variation as a function of temperature is also reported. The optical properties of four isostructural compounds (Pr-psa, Nd-psa, Gd-psa, and Tb-psa) were investigated and compared with those of related compounds. The energy of the triplet state of the ligand was also estimated. The samples were fully characterized by single-crystal and powder X-ray diffraction, thermal analysis, and vibrational spectroscopy. The heterogeneous catalytic activities of a series of Ln-psa MOFs (with Ln = Sm, Eu, Gd, Tb, EuGd, and EuTb) were evaluated in a one-pot cyanosilylation with benzaldehyde as the substrate. A luminescent lanthanide metal-organic framework (MOF) based on Eu and Tb ions with 2-phenylsuccinate (EuTb-psa) is explored as a temperature sensor. The optical properties of four isostructural compounds (Pr-psa, Nd-psa, Gd-psa, and Tb-psa) are also investigated. The heterogeneous catalytic activities of these Ln-psa MOFs are evaluated in a one-pot cyanosilylation reaction. | Versión del editor: | https://doi.org/10.1002/ejic.201501402 | URI: | http://hdl.handle.net/10261/186194 | DOI: | 10.1002/ejic.201501402 | Identificadores: | doi: 10.1002/ejic.201501402 e-issn: 1099-0682 issn: 1434-1948 |
Aparece en las colecciones: | (ICMM) Artículos |
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