Synergistic enhanced activation of peroxymonosulfate by heterojunction Co3O4–CuO@CN for removal of oxytetracycline: Performance, mechanism, and stability - Ning Li; Huanxuan Li; Chen Xu; Zhong Zhou; Tao Rao; Ran Ji; Sihang Lin; Jia Du; Shaodan Xu; Shuguang Lyu; Feng Li; Junhong Tang (Environmental Research, 2023)