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Dysprosium-carboxylate nanomeshes with tunable cavity size and assembly motif through ionic interactions

Cirera, B., Dordevic, L., Otero, R., Gallego, J. M., Bonifazi, Davide, Miranda, R. and Ecija, D. 2016. Dysprosium-carboxylate nanomeshes with tunable cavity size and assembly motif through ionic interactions. Chemical Communications- Royal Society of Chemistry 52 (75) , pp. 11227-11230. 10.1039/C6CC04874A

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We report the design of dysprosium directed metallo-supramolecular architectures on a pristine Cu(111) surface. By an appropriate selection of the ditopic molecular linkers equipped with terminal carboxylic groups (TPA, PDA and TDA species), we create reticular and mononuclear metal–organic nanomeshes of tunable internodal distance, which are stabilized by eight-fold Dy⋯O interactions. A thermal annealing treatment for the reticular Dy:TDA architecture gives rise to an unprecedented quasi-hexagonal nanostructure based on dinuclear Dy clusters, exhibiting a unique six-fold Dy⋯O bonding motif. All metallo-supramolecular architectures are stable at room temperature. Our results open new avenues for the engineering of supramolecular architectures on surfaces incorporating f-block elements forming thermally robust nanoarchitectures through ionic bonds.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1359-7345
Date of First Compliant Deposit: 10 October 2016
Date of Acceptance: 18 August 2016
Last Modified: 11 Oct 2017 11:38

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