Engineering a gradient SnO2-Sb-Nd electrode via synergistic defect and co-doping for ultrafast tetracycline degradation with robust durability - Xuening Bai; Yu Yang; Zhongxin Yang; Qiwen Zhang; Jian Zhang; Xuzhong Zeng; Miao He; Yejin Wang; Wenjing Yang; Anqi Li; Xueming Li (Journal of Environmental Chemical Engineering, 2026)