Patent ID: 11877460
Assignee: SN DISPLAY CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  H  B  Y | IPC B  C  H

Claim 0:
1. A solar cell comprising:
a first electrode;
a second electrode; and
at least one photoactive layer comprising perovskite nanoparticles between the first electrode and the second electrode,
wherein the perovskite nanoparticles include perovskite nanocrystals in a form of particle and a plurality of ligands or surfactants surrounding the perovskite nanocrystals.
wherein the perovskite nanocrystals have a structure of A2BX4, ABX4, ABX3 or An−1BnX3n+1 (where n is an integer ranging from 2 to 6), and
wherein A is at least one organic ammonium material or alkali metal, B is at least one metal material, and X is at least one halogen element.