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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/183861
From 1D coordination polymers to Metal Organic Frameworks by the use of 2-pyridyl oximes.
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The synthesis and characterization of coordination polymers and metal-organic frameworks (MOFs) has attracted a significant interest over the last decades due to their fascinating physical properties, as well as their use in a wide range of technological, environmental, and biomedical applications. The initial use of 2-pyridyl oximic ligands such as pyridine-2 amidoxime (H2pyaox) and 2-methyl pyridyl ketoxime (Hmpko) in combination with 1,2,4,5-benzene tetracarboxylic acid (pyromellitic acid), H4pma, provided access to nine new compounds whose structures and properties are discussed in detail. Among them, [Zn2(pma)(H2pyaox)2(H2O)2]n (3) and [Cu4(OH)2(pma)(mpko)2]n (9) are the first MOFs based on a 2-pyridyl oxime with 9 possessing a novel 3,4,5,8-c net topology. [Zn2(pma)(H2pyaox)2]n (2), [Cu2(pma)(H2pyaox)2(DMF)2]n (6), and [Cu2(pma)(Hmpko)2(DMF)2]n (8) join a small family of coordination polymers containing an oximic ligand. 9 exhibits selectivity for FeIII ions adsorption, as was demonstrated by a variety of techniques including UV-vis, EDX, and magnetism. DC magnetic susceptibility studies in 9 revealed the presence of strong antiferromagnetic interactions between the metal centers, which lead to a diamagnetic ground state; it was also found that the magnetic properties of 9 are affected by the amount of the encapsulated Fe3+ ions, which is a very desirable property for the development of magnetism-based sensors.
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MYLONAS-MARGARITIS, Ioannis, GÉRARD, Auban, SKORDI, Katerina, MAYANS AYATS, Júlia, TASIOPOULOS, Anastasios, MCARDLE, Patrick, PAPATRIANTAFYLLOPOULOU, Constantina. From 1D coordination polymers to Metal Organic Frameworks by the use of 2-pyridyl oximes.. _Materials_. 2020. Vol. 13, núm. 18, pàgs. 4084. [consulta: 22 de gener de 2026]. ISSN: 1996-1944. [Disponible a: https://hdl.handle.net/2445/183861]