Journal
CHEMICAL SCIENCE
Volume 10, Issue 5, Pages 1450-1456Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8sc04375b
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Funding
- ERC Starting Grant [639720-NAPOLI]
- Wallenberg Academy Fellowship program [KAW2017.0166]
- ERC [639720-NAPOLI]
- Wallenberg Academy Fellowship program from the Knut and Alice Wallenberg Foundation [KAW2017.0166]
- National Natural Science Foundation of China [21573016/21403234]
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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 ligandbinding 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).
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