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A series of lanthanide(iii) metal-organic frameworks derived from a pyridyl-dicarboxylate ligand: single-molecule magnet behaviour and luminescence properties

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A series of lanthanide(iii) metal-organic frameworks derived from a pyridyl-dicarboxylate ligand: single-molecule magnet behaviour and luminescence properties

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dc.contributor.author	Zhang, Chengcheng
dc.contributor.author	Ma, Xiufang
dc.contributor.author	Cen, Peipei
dc.contributor.author	Jin, Xiaoyong
dc.contributor.author	Yang, Jinhui
dc.contributor.author	Zhang, Yi-Quan
dc.contributor.author	Ferrando Soria, Jesús
dc.contributor.author	Pardo Marín, Emilio
dc.contributor.author	Liu, Xiangyu
dc.date.accessioned	2022-11-03T15:28:01Z
dc.date.available	2022-11-03T15:28:01Z
dc.date.issued	2020
dc.identifier.citation	Zhang, Chengcheng Ma, Xiufang Cen, Peipei Jin, Xiaoyong Yang, Jinhui Zhang, Yi-Quan Ferrando Soria, Jesús Pardo Marín, Emilio Liu, Xiangyu 2020 A series of lanthanide(iii) metal-organic frameworks derived from a pyridyl-dicarboxylate ligand: single-molecule magnet behaviour and luminescence properties Dalton Transactions 49 40 14123 14132
dc.identifier.uri	https://hdl.handle.net/10550/84394
dc.description.abstract	The reactions of LnIII ions with a versatile pyridyl-decorated dicarboxylic acid ligand lead to a series of novel three-dimensional (3D) Ln-MOFs, [Ln3(pta)4(Hpta)(H2O)]·xH2O (Ln = Dy (1), Eu (2), Gd (3), Tb (4), H2pta = 2-(4-pyridyl)-terephthalic acid, x = 6 for 1, 2.5 for 2, 1.5 for 3 and 2 for 4). The Ln3+ ions act as the nine-coordinated Muffin spheres, linking to each other to generate trinuclear {Ln3(OOC)6N2} SBUs, which are further extended to be interesting 3D topology architectures. To the best of our knowledge, the Dy-MOF exhibits a zero-field single-molecule magnet (SMM) behaviour with the largest effective energy barrier among the previously reported 3D MOF-based Dy-SMMs. The combined analyses of a dilution sample (1@Y) and ab initio calculation demonstrate that the thermally assisted slow relaxation is mainly attributed to the single-ion magnetism. Furthermore, fluorescence measurements reveal that H2pta can sensitize EuIII and TbIII characteristic luminescence.
dc.language.iso	eng
dc.relation.ispartof	Dalton Transactions, 2020, vol. 49, num. 40, p. 14123-14132
dc.subject	Fluorescència
dc.subject	Elements químics
dc.title	A series of lanthanide(iii) metal-organic frameworks derived from a pyridyl-dicarboxylate ligand: single-molecule magnet behaviour and luminescence properties
dc.type	journal article	es_ES
dc.date.updated	2022-11-03T15:28:02Z
dc.identifier.doi	10.1039/D0DT02736G
dc.identifier.idgrec	142016
dc.rights.accessRights	open access	es_ES