Schedule 3 [P48] Effects of the states of co-catalyst to the photocatalytic properties of H2O splitting over Ga2O3 光触媒「学生ポスター発表賞審査対象」 〇Sho Ota1, Naohiro Furutani1, Yoshihisa Sakata1, Akira Yamakata2 (1. Yamaguchi Univ., 2. Okayama Univ.)