fig19

Figure 19. (A and B) EDS-mapping images (A) and HAADF-STEM image (B) of CuIn-DACs; (C) FE_methanol of CuIn-DACs and Cu-SACs; (A-C) are quoted with permission from Yuan et al.^[281]; (D) CO product rate of different catalysts; (E) Transient photocurrents of different catalysts; (F) XRD patterns of MnS/In₂S₃ catalyst before and after photocatalytic CO₂RR experiment (10 h); (D-F) are quoted with permission from Tan et al.^[282]; (G) G-value_MeOH and G-value_CO of 0.05 wt.% with CuNi SAs/UiO-66(Hf) and other catalysts in H₂O or 0.01 M Na₂SO₃ solution; (H) The amplified of G-value_MeOH and G-value_CO by the increase of CuNi SAs/UiO-66(Hf) content; (G and H) are quoted with permission from Hu et al.^[283]. RHE: Reversible hydrogen electrode; EDS: energy-dispersive X-ray spectroscopy; HRTEM: high-resolution transmission electron microscopy; DACs: dual-atom catalysts; SACs: single-atom catalysts; XRD: X-ray diffraction; CO₂RR: CO₂ reduction reaction.