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Direct Synthesis of Bimetallic Nanoalloys from Corresponding Bulk Alloys

Published online by Cambridge University Press:  17 May 2013

Chi-Kai Lin  and
Tao Xu
Chi-Kai Lin
Affiliation:
Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL 60115, USA
Tao Xu*
Affiliation:
Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL 60115, USA
*
*Corresponding author Email: txu@niu.edu
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Abstract

We report a transformative, all inorganic method-based synthesis of supported bimetallic alloy nanoparticles. We use Pd3Ag as a proof of concept. The method involves breaking down bulk Pd3Ag alloy into the nanoparticles in liquid lithium, converting metallic Li to LiOH, transferring Pd3Ag nanoparticles/LiOH mixture onto non-water soluble supports, followed by leaching off the LiOH with water under ambient conditions. The size of the resulting Pd3Ag nanoparticles was found narrowly distributed around 2.3 nm characterized by transmission electron microscope (TEM). In addition, studies by X-ray diffraction (XRD) showed that the resulting Pd3Ag nanoparticles inherited similar structure as the starting bulk Pd3Ag.

Keywords

alloycatalyticLi
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1546: Symposium L – Nanoparticle Manufacturing, Functionalization, Assembly and Integration , 2013 , mrss13-1546-l06-51
Copyright
Copyright © Materials Research Society 2013 

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