SEMICONDUCTOR NANOPARTICLE AND METHOD FOR PRODUCING THE SAME

摘要

Disclosed is an improved method for producing a semiconductor nanoparticle, which comprises a step for forming a film by sputtering. This method enables to obtain a semiconductor nanoparticle which emits near infrared light or infrared light with high luminance. Specifically disclosed is a semiconductor nanoparticle which is produced by a method comprising a step for forming a film by sputtering. This semiconductor nanoparticle is characterized by satisfying the specified conditions (1)-(4) and emitting near infrared light or infrared light when excited by excitation light.