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Facile synthesis of Au-Ag core-shell nanoparticles with uniform sub-2.5 nm interior nanogaps
Zhong Zhang1, Sha Zhang, Mengshi Lin
1Division of Food Systems & Bioengineering, University of Missouri, Columbia, MO, USA65211-5160. linme@missouri.edu.
Chemical Communications (Cambridge, England)
|August 15, 2013
Abstract:
A facile method was established to fabricate uniform nanogaps between a Au core and a Au-Ag alloy shell. The size of nanogaps is controllable due to fast dissolution of AgCl and AgBr in CTAB and the crystal growth of the shell on a designed template. These Au-Ag core-shell nanoparticles with uniform sub-2.5 nm interior nanogaps can be potentially used for various applications.
