Semiconductor nanoparticles and manufacturing method thereof

The semiconductor nanoparticle as a light emitting device material is converted from an indirect transition type to a direct transition type, and the quantum yield is improved. Modified semiconductor nanoparticles, wherein the slope of the tangent obtained by Tauc plot for the semiconductor nanoparticles is 2-5 of the slope of the tangent for bulk crystals of the same chemical composition as the core of the semiconductor nanoparticles It is characterized by being double.