| abstract |
The present invention relates to copper sulfide nanoparticles having a core-shell structure contained in a coating composition for near infrared ray shielding and a method for producing the same, more specifically, a method for producing CuS nanoparticles; Preparing Cu 2-x S nanoparticles by heating a mixed solution of CuS nanoparticles, a reducing agent, and a solvent; The Cu 2-x S nano-particles, an oxidizing agent and heating the mixed solution of the solvent Cu 2-x S @ Cu 2 -y O core - to produce a shell nanoparticle core-to providing the copper sulfide nano-particles in the shell structure have. |