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Issue 75, 2016
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Dysprosium-carboxylate nanomeshes with tunable cavity size and assembly motif through ionic interactions

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Abstract

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.

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

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Publication details

The article was received on 10 Jun 2016, accepted on 18 Aug 2016 and first published on 25 Aug 2016


Article type: Communication
DOI: 10.1039/C6CC04874A
Chem. Commun., 2016,52, 11227-11230

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

    B. Cirera, L. Đorđević, R. Otero, J. M. Gallego, D. Bonifazi, R. Miranda and D. Ecija, Chem. Commun., 2016, 52, 11227
    DOI: 10.1039/C6CC04874A

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