CPC C22C 1/0425 (2013.01) [B22F 1/054 (2022.01); B22F 1/145 (2022.01); B22F 1/17 (2022.01); B22F 9/30 (2013.01); B22F 1/0545 (2022.01); B22F 2301/10 (2013.01); B22F 2301/255 (2013.01); B22F 2304/054 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01)] | 18 Claims |
1. A process of forming a Cu core-shell nanoparticle comprising a core comprising Cu and a shell comprising at least one noble metal, the process comprising
mixing a Cu source and an amine at a temperature of about 200° C. to about 270° C. under an inert atmosphere to obtain a mixture;
cooling the mixture to form a Cu nanoparticle dispersed in the amine; and
adding a noble metal composition comprising a phosphine to obtain the core-shell nanoparticle.
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