THREE-LAYER CORE-SHELL NANOPARTICLE FOR MANUFACTURE OF LIGHT-ABSORBING LAYER FOR SOLAR CELL AND METHOD FOR PREPARING SAME

摘要

The present invention relates to a three-layer core-shell nanoparticle for use in forming a light-absorbing layer for a solar cell and a method for preparing the same, the three-layer core-shell nanoparticle consisting of: a core including copper (Cu)-containing chalcogenide and (i) a first shell including tin (Sn)-containing chalcogenide and a second shell including zinc (Zn)-containing chalcogenide, or (ii) a first shell including Zn-containing chalcogenide and a second shell including Sn-containing chalcogenide.