The Co3O4/CN-x%CeO2 (x = 0, 3, 6) composites for photocatalytic degradation of HCHO under visible-light irradiation: Performance and characterization. - Yan, Mengjuan; Lin, Zhihao; Huang, Huang; Wang, Heng; Meng, Mianwu; Liu, Yulin; Zhou, Yanlin (Research on Chemical Intermediates, 2023)