Patent ID: 9205410
Filing Date: 2015-12-08
Classification: B01J,B22F,B82Y

Abstract:
1. A method of forming monodispersed core-shell nanoparticles, the method comprising: adding a cobalt(II)-ligand component, a metal(II)-ligand component, an organic reducing agent, and a capping agent to an organic solvent to form a reaction mixture, wherein the metal(II)-ligand comprises a metal(II) selected from the group consisting of copper(II), iron(II), chromium(II), scandium(II), nickel (II), and mixtures thereof; heating the reaction mixture to a dissolving temperature while under a gas, wherein the reaction mixture becomes a reaction solution while stirring at the dissolving temperature, and wherein the gas comprises methane; heating the reaction solution to a reaction temperature while under the gas to form the core-shell nanoparticles, wherein the reaction temperature is about 200° C. or more; and collecting the core-shell nanoparticles from the reaction solution.