Schedule 1 12:15 PM - 12:30 PM [A1講演 3F06] Photocatalytic CO2 / CO Reduction in Cobalt–Zirconium and its valence dependency. 〇Rento Ishii1, Tarik Loumissi1, Keisuke Hara1, Kazuki Oyumi2, Yasuo Izumi1 (1. Chiba university, 2. Tokyo University of Science)