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Phys Chem Chem Phys. 2011 May 28;13(20):9134-6. doi: 10.1039/c1cp20159j. Epub 2011 Apr 18.

Size control of PtPb intermetallic nanoparticles prepared via microemulsions.

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  • 1University College Dublin, School of Chemical and Bioprocess Engineering, Belfield, Dublin 4, Ireland.


PtPb intermetallic nanoparticles (3-6 nm) with precise control (±0.8 nm) were prepared under mild conditions by using water-in-oil (w/o) microemulsions as reaction media. The amount of the aqueous phase has no significant effect on the composition of the NPs, while it indeed affects the size of the resulting NPs in a systematic way. A precise size control can be obtained by controlling the size of the w/o-microemulsions containing the metal salts and the reducing agent, respectively.

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