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New one-pot synthesis of Au and Ag nanoparticles using green rust reactive particle as a micro-reactor

Sondra Ayadi, Cristian Perca and Ludovic Legrand*

Author affiliations

LAMBE UMR8587, CNRS-CEA-Université Evry, 1, rue du Père Jarlan, Evry Cedex 91025, France

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Citation and License

Nanoscale Research Letters 2013, 8:95  doi:10.1186/1556-276X-8-95

Published: 22 February 2013


A new, simple, and fast one-pot synthesis of supported Au or Ag nanoparticles is implemented, for which a reactive Fe(II)-bearing green rust inorganic particle is used as an individual micro-reactor acting as both the reducing agent and support for the resulting metal nanoparticles. The mechanism involves both the solid-state oxidation of the green rust support (sulfate or carbonate) and the reduction-precipitation of soluble metal precursor. The resulting nanohybrids have a platy inorganic part supporting about one to ten nanoparticles with sizes in the 20 to 120 nm range.

Gold; Green rust; Micro-reactor; Nanoparticles; Silver