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Interconvertible vanadium-seamed hexameric pyrogallol[4]arene nanocapsules

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  • Kongzhao Su

    (Chinese Academy of Sciences, Fuzhou)

  • Mingyan Wu

    (Chinese Academy of Sciences, Fuzhou)

  • Daqiang Yuan

    (Chinese Academy of Sciences, Fuzhou)

  • Maochun Hong

    (Chinese Academy of Sciences, Fuzhou)

Abstract

Research into stimuli-responsive controlled self-assembly and reversible transformation of molecular architectures has received much attention recently, because it is important to understand and reproduce this natural self-assembly behavior. Here, we report two coordination nanocapsules with variable cavities: a contracted octahedral V24 capsule and an expanded ball-shaped V24 capsule, both of which are constructed from the same number of subcomponents. The assemblies of these two V24 capsules are solvent-controlled, and capable of reversible conversion between contracted and expanded forms via control of the geometries of the metal centers by association and dissociation with axial water molecules. Following such structural interconversions, the magnetic properties are significantly changed. This work not only provides a strategy for the design and preparation of coordination nanocapsules with adaptable cavities, but also a unique example with which to understand the transformation process and their structure-property relationships.

Suggested Citation

  • Kongzhao Su & Mingyan Wu & Daqiang Yuan & Maochun Hong, 2018. "Interconvertible vanadium-seamed hexameric pyrogallol[4]arene nanocapsules," Nature Communications, Nature, vol. 9(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07427-z
    DOI: 10.1038/s41467-018-07427-z
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