Synthesis of Cu0.55Ni0.44Mn0.01 alloy nanoparticles by solution combustion method and their application in aerosol printing

CuNiMn alloy nanoparticles were prepared by solution combustion method for maskless printing application. In the course of the preparation process the molar ratio of inorganic/organic precursors was varied and its effect on crystallinity and particle size of as-prepared oxide and reduced alloy samples was investigated. The chemical composition of alloy particles was verified using AAS and EDX, while the nanoparticle surface was investigated by XPS. Conductive microstructures were prepared by deposition of nanoalloy dispersion via Aerosol Jet® printing followed by sintering under reducing atmosphere at different temperatures and their resistivity was determined. The structures sintered at 800 °C showed low resistivity, which was found to be only 1.3 times higher than that of the reference bulk phase CuNi alloy.