| abstract |
The present invention relates to a core-shell type cerium oxide nano particle, a method for producing the same, and a method for producing the hollow cerium oxide nano particle using the same, and the hollow cerium oxide nano particle obtained by the method, the core The shell-type cerium oxide nanoparticle is characterized by a copolymer (A) having an aliphatic polyamine chain (a1) having a primary amine group and/or a secondary amine group and a hydrophobic organic segment (a2) a core layer composed of a portion of the hydrophobic organic segment (a2) as a main component and a composite layer composed of a complex of the aliphatic polyamine chain (a1) and cerium oxide (B) as a main component, and an average particle diameter of 5 to 30 nm, which is monodisperse. |