Oxygen vacancy-enriched CoPi/TiO2 nanotubes/WO3 electrode for enhanced photoelectrochemical water oxidation. - Yu, Shujun; Sun, Ke; Fang, Guangyu; Feng, Jiangwang; Yu, Qiaonan; Chen, Junling; Wu, Pengcheng; Wu, Keliang (Journal of Materials Science: Materials in Electronics, 2024)