Microfluidic Synthesis and Catalytic Application of PVP-Stabilized, ∼1 nm Gold Clusters
Langmuir2008Vol. 24(20), pp. 11327–11330
Citations Over TimeTop 10% of 2008 papers
Abstract
Small PVP-stabilized gold clusters were successfully prepared by the homogeneous mixing of continuous flows of aqueous AuCl 4 (-) and BH 4 (-) in a micromixer. Spectroscopic characterization revealed that microfluidic synthesis could yield monodisperse Au:PVP clusters with an average diameter of approximately 1 nm, which is smaller than clusters produced by conventional batch methods. These approximately 1 nm Au:PVP clusters exhibited higher catalytic activity for the aerobic oxidation of p-hydroxybenzyl alcohol than did Au:PVP clusters prepared by batch methods.
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