| abstract |
A metal halide perovskite light emitting device and a method of manufacturing the same are provided. The light emitting device of the present invention includes a substrate, a first electrode located on the substrate, a light emitting layer located on the first electrode and including a metal halide perovskite material, and a second electrode located on the light emitting layer, Organic low molecular additive, wherein the organic low molecular weight additive is a group of compounds comprising a thiol group (-SH) having a molecular weight of 10 to 1000, a group of benzene derivatives containing N atoms, an S atom A group of benzene derivatives containing O atoms, or a group of benzene derivatives containing two or more atoms selected from N, S and 0 atoms. According to the present invention, by providing a metal halide perovskite light emitting device including an organic low-molecular additive, it is possible to provide a metal halide perovskite light emitting device having improved luminous efficiency and brightness by preventing exciton destruction occurring in a perovskite crystal grain system Can be provided. |