1:30 PM - 3:30 PM [13p-PA3-5] Investigation of Surface passivation effects by Fluorinated Polymer in FA0.8Cs0.2PbI3 thin film and photovoltaic cells 〇(M2)Yuma Moriya1, Ryo Ishikawa1, Keiji Ueno1, Hajime Shirai1 (1.Saitama Univ.)