Synthesis of thiol-derivatised gold nanoparticles in a two-phase Liquid–Liquid system

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Mathias Brust, Merryl Walker, Donald Bethell, David J. Schiffrin and Robin Whyman


Abstract

Using two-phase (water–toluene) reduction of AuCl4 by sodium borohydride in the presence of an alkanethiol, solutions of 1–3 nm gold particles bearing a surface coating of thiol have been prepared and characterised; this novel material can be handled as a simple chemical compound.


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