Patent ID: 7972694
Filing Date: 2011-07-05
Classification: B22F,B82Y,C01B,C01G,C01P,C09K,C22C,Y10S,Y10T

Abstract:
1. Triple-layered semiconductor nanoparticles comprising a core layer, an intermediate layer and a shell layer and having an average particle diameter of 2 to 50 nm, the core, intermediate and shell layers being formed of different crystals, a crystal forming the shell layer having a band gap greater than that of a crystal forming the core layer, and a lattice constant of a crystal forming the intermediate layer being a value falling between a lattice constant of the crystal forming the core layer and that of the crystal forming the shell layer wherein when a composition of the crystal forming the core layer is represented by AB and a composition of the crystal forming the shell layer is represented by CB, a composition of the crystal forming the intermediate layer is represented by A