Controllable Preparation and Optimisation of Bi 4 O 5 Br 2 for Photocatalytic Reduction of CO 2 to CO. - Cai, Xiaolong; Jing, Baiquan; Li, Rong; Ma, Yongbo; Cao, Baowei; Xu, Yunhua (Materials (1996-1944), 2025)