To provide silver nanoparticles which are excellent in stability and generate excellent electrical conductivity by low-temperature firing; to provide a method for the production thereof; and to provide a silver coating composition containing the silver nanoparticles.
A method for producing silver nanoparticles includes: preparing an amine mixed liquid comprising an aliphatic hydrocarbon monoamine (A) composed of an aliphatic hydrocarbon group and one amino group, the total carbon number of the aliphatic hydrocarbon group being 6 or greater, an aliphatic hydrocarbon monoamine (B) composed of an aliphatic hydrocarbon group and one amino group, the total carbon number of the aliphatic hydrocarbon group being 5 or smaller, and an aliphatic hydrocarbon diamine (C) composed of an aliphatic hydrocarbon group and two amino groups, the total carbon number of the aliphatic hydrocarbon group being 8 or smaller; mixing a silver compound with the amine mixed liquid to form a complex compound containing the silver compound and the amine; and heating and pyrolyzing the complex compound to form silver nanoparticles.
OKAMOTO KAZUKI
IGUCHI YUKI
DAICEL CORP
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