9:30 AM - 9:45 AM [15a-302-3] Development of Electroluminescence Devices with Perovskite Semiconductors System Prepared by the Cast-capping Method: Phenyl Cation Systems 〇Fumio Sasaki1, Van-Cao Nguyen2, Hisao Yanagi2 (1.ESPRIT AIST, 2.NAIST)