9:15 AM - 9:30 AM [19a-E315-1] [Highlight] [Young Scientist Presentation Award Speech] Reduction of Series Resistance and Improvement of Conversion Efficiency in ZnSnP2 Solar Cells by Inserting Cu3P between Absorber and Back Electrode 〇Taro Kuwano1, Ryoji Katsube1, Yoshitaro Nose1 (1.Kyoto Univ.)