The ultrathin hollow core-shell heterojunction in Co3O4/Ti3 + -TiO2/Cd0.8Zn0.2S towards enhanced overall water splitting and photodegradation via synergism of HER/OER matching and Ti3+/Ov-bimetallic affect - Wenhui Yang; Qiying Peng; Xinyan Li; Jingjing Wang; Yingying Zheng; Jun Cao; Jiaqi Pan; Mei Zhu; Chaorong Li (Journal of Environmental Chemical Engineering, 2025)