Luminescence and Magnetic Properties of Two Three-Dimensional Terbium and Dysprosium MOFs Based on Azobenzene-4,4′-Dicarboxylic Linker

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URI: http://hdl.handle.net/10481/49195
ISSN: 2073-4360
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Author
Fernández, Belén; Oyarzabal, Itziar; Seco, José M.; San Sebastián, Eider; Fairén-Jiménez, David; Gómez-Ruiz, Santiago; Salinas Castillo, Alfonso; Calahorro Casnova, Antonio Jesús; Rodríguez Diéguez, Antonio
Editorial
MDPI
Materia
Metal-organic framework
 
Dysprosium
 
Terbium
 
Magnetism
 
Luminescence
 
Date
2016-02-02
Referencia bibliográfica
Fernández, B.; et al. Luminescence and Magnetic Properties of Two Three-Dimensional Terbium and Dysprosium MOFs Based on Azobenzene-4,4′-Dicarboxylic Linker. Polymers, 8(2): 39 (2016). [http://hdl.handle.net/10481/49195]
Sponsorship
This work was supported by the MEC of Spain (Project CTQ2011-24478) and the Junta de Andalucía (FQM-1484 and FQM-195). David Fairen-Jiménez thanks the Royal Society for a University Research Fellowship. Itziar Oyarzabal is grateful to the Departamento de Educación, Universidades e Investigación del Gobierno Vasco for a predoctoral fellowship. The authors thank for technical and human support provided by SG Iker Gipuzkoa of UPV/EHU.
Abstract
We report the in situ formation of two novel metal-organic frameworks based on terbium and dysprosium ions using azobenzene-4,4′-dicarboxylic acid (H2abd) as ligand, synthesized by soft hydrothermal routes. Both materials show isostructural three-dimensional networks with channels along a axis and display intense photoluminescence properties in the solid state at room temperature. Textural properties of the metal-organic frameworks (MOFs) have been fully characterized although no appreciable porosity was obtained. Magnetic properties of these materials were studied, highlighting the dysprosium material displays slightly frequency-dependent out of phase signals when measured under zero external field and under an applied field of 1000 Oe.
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