PEROVSKITE SOLUTION, PEROVSKITE PARTICLES AND PEROVSKITE FILMS MANUFACTURED USING THESE, PEROVSKITE PHOTOELECTRIC ELEMENTS COMPRISING THE SAME

摘要

The present invention discloses a perovskite solution and a perovskite particle, a perovskite film, and a perovskite photoelectric device comprising the same. According to an embodiment of the present invention, high-efficiency perovskite particles, perovskite particles with reduced trap density, using a perovskite solution prepared by including trivalent metal cations to improve durability and adding monovalent anion additives It is possible to provide a skyte film and a perovskite optoelectronic device.