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. 2024 Aug 2;22:100469. doi: 10.1016/j.ese.2024.100469

Fig. 1.

Fig. 1

a, Proposed mechanism for the photocatalysis-self-Fenton system based on carbon defective Cv-PCNNS-550. Reproduced with permission from Ref. [47]. Copyright 2023, Elsevier. b, The photo-Fenton degradation mechanism proposed in the FeOOH/UPCN composite system with ultrathin material. Reproduced with permission from Ref. [49]. Copyright 2022, Elsevier. c, Mechanism for the photocatalysis-self-Fenton system of P doped g-C3N4. Reproduced with permission from Ref. [50]. Copyright 2020, Elsevier. d, The ionothermal synthesis of K+/I− intercalated g-C3N4 (CN-KCl/KI). Reproduced with permission from Ref. [52]. Copyright 2023, NAS.