Method for preparing metallic copper nano particle

Abstract

The invention relates to a method for preparing metallic copper nanoparticles, and belongs to the technical field of preparing nanomaterial by liquid-phase chemical reduction. The method adopts sodium hydrosulfite as a reducer to reduce cupric hydroxide under alkaline conditions, and adopts sodium dodecyl sulfate as a dispersant to generate copper nanoparticles with the grain diameter of 30 to 90nm. The method has the characteristics of simple technological process, low production cost and suitability for industrialized production.

Description

Technical field:

[0001] The invention relates to a method for preparing metallic copper nanoparticles by a liquid phase reduction method, which belongs to the field of nanotechnology. Background technique:

[0002] Due to its special physical and chemical properties, nano-copper particles have attracted more and more attention, and are widely used in catalysis, optoelectronics, information storage, magnetic fluid and lubrication and other fields. In particular, nano-copper particles are an excellent lubricating oil additive. When working, nano-copper particles combine with solid surfaces to form an ultra-smooth protective film, and at the same time fill scratches, greatly reduce friction and wear, and greatly improve lubrication. The lubricating ability and effect of oil.

[0003] There are many methods for the preparation of metallic copper nanoparticles that have been reported, especially the preparation of metallic copper nanoparticles by the liquid phase reduction metho...