1:30 PM - 1:45 PM △ [20p-W531-3] Effect of orientation angle of thiophene ring on the photovoltaic properties in P3HT/PCBM bilayer solar cell 〇Ryou Itou1, Yutaro Ono1, Heisuke Sakai1, Yuki Nagao1, HIdeyuki Murata1 (1.JAIST)