FIGURE 3 (A) Schematic illustration of the preparation of GO/CoPC and (B) STA-GO/CoPc photocathode. (C) photocurrent density with FE for H2 and CO of the STA-GO/CoPc photocathode. Reproduced with permission.[50] Copyright 2022, John Wiley and Sons. (D) Illustration of the Si|TiO2|CNT|CoII(BrqPy) photocathode. (E) LSVs and (F) FE for H2 and CO of the Si|TiO2|CNT|CoII(BrqPy) photocathode compared with other groups. Reproduced with permission.[52] Copyright 2022, John Wiley and Sons.