15:15 〜 15:30 ▲ [15p-A402-8] Toward high open circuit voltage: MACl-assisted Germanium doping to organic-inorganic hybrid perovskite solar cells 〇(PC)GyuMin Kim1、Ayumi Ishii1、Tsutomu Miyasaka1 (1.Toin Univ. Yokohama)