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Ionic organic cage-encapsulating phase-transferable metal clusters

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Abstract

Exploration of metal clusters (MCs) adaptive to both aqueous and oil phases without disturbing their size is promising for a broad scope of applications. The state-of-the-art approach via ligand-binding may perturb MCs' size due to varied metal–ligand binding strength when shuttling between solvents of different polarity. Herein, we applied physical confinement of a series of small noble MCs (<1 nm) inside ionic organic cages (I-Cages), which by means of anion exchange enables reversible transfer of MCs between aqueous and hydrophobic solutions without varying their ultrasmall size. Moreover, the MCs@I-Cage hybrid serves as a recyclable, reaction-switchable catalyst featuring high activity in liquid-phase NH3BH3 (AB) hydrolysis reaction with a turnover frequency (TOF) of 115 min−1.

Graphical abstract: Ionic organic cage-encapsulating phase-transferable metal clusters

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Publication details

The article was received on 02 Oct 2018, accepted on 17 Nov 2018 and first published on 19 Nov 2018


Article type: Edge Article
DOI: 10.1039/C8SC04375B
Citation: Chem. Sci., 2019, Advance Article
  • Open access: Creative Commons BY-NC license
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    Ionic organic cage-encapsulating phase-transferable metal clusters

    S. Zhang, Z. Kochovski, H. Lee, Y. Lu, H. Zhang, J. Zhang, J. Sun and J. Yuan, Chem. Sci., 2019, Advance Article , DOI: 10.1039/C8SC04375B

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