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Bio-inspired synthetic approaches: From hierarchical, hybrid supramolecular assemblies to CaCO3-based microspheres

Abstract

A bio-inspired synthetic approach to unprecedented hybrid supramolecular assemblies [Ca(Me2hda)(H2O)3]·H2O (1) and [Ca(C12hda)(H2O)2]·H2O (2), that are stabilized by iminodiacetate-substituted organic ligands is reported. The results of the single-crystal X-ray analysis of 1 further allowed the use of electron microscopy to verify the supramolecular structure of the fibrous assemblies of 2 that incorporate extended alkyl-substituted ligand derivatives. 2 reveals interesting features that distinguish these soft structures from purely inorganic, brittle materials: meshes of nanobelts transform on solid supports to form homogeneous films covering extended, micro-sized areas. The use of the reported ligand system as habit modifier for CaCO3 results in hierarchical calcite aggregates. The structure-influencing effects of the ligands and their supramolecular assemblies promote the formation of micro-spherical calcite disks that tessellate into hollow microspheres that contain distinctive openings.

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Supplementary files

Publication details

The article was received on 13 Mar 2017, accepted on 20 Apr 2017 and first published on 20 Apr 2017


Article type: Paper
DOI: 10.1039/C7DT00914C
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Bio-inspired synthetic approaches: From hierarchical, hybrid supramolecular assemblies to CaCO3-based microspheres

    W. Schmitt, B. Marzec, L. Zhang and N. Y. Zhu, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT00914C

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