N-Functionalised Imidazoles as Stabilisers for Metal Nanoparticles in Catalysis and Anion Binding |
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| Authors: | Dr Christopher J Serpell Dr James Cookson Prof Paul D Beer |
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| Institution: | 1. School of Physical Sciences, Ingram Building, University of Kent, Canterbury, CT2 7NH UK;2. Johnson Matthey Technology Centre, Reading, RG4 9NH;3. Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA UK |
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| Abstract: | Metal nanoparticles (NPs) have physicochemical properties which are distinct from both the bulk and molecular metal species, and provide opportunities in fields such as catalysis and sensing. NPs typically require protection of their surface to impede aggregation, but these coatings can also block access to the surface which would be required to take advantage of their unusual properties. Here, we show that alkyl imidazoles can stabilise Pd, Pt, Au, and Ag NPs, and delineate the limits of their synthesis. These ligands provide an intermediate level of surface protection, for which we demonstrate proof-of-principle in catalysis and anion binding. |
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| Keywords: | nanoparticles ligands anion coordination functionalised imidazoles sensing applications |
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