3:15 PM - 3:30 PM ▲ [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)