fig13

Figure 13. (A) LSV curves of Cu₂₆, Cu₂₅, Cu₆₁, and Cu₅₃; (B) FEs of ECO₂RR products over Cu₂₆; (C) FE_CO for Cu₅₃ and Cu₂₆; (D) FE_H2 for Cu₂₅, Cu₆₁, Cu₅₃, and Cu₂₆; (E and F) Free energy diagrams of ECO₂RR and HER pathways on Cu₂₆ with and without hydrides (shown by black and red line respectively). This figure is reproduced with permission from Ref.^[61], Copyright © 2023 American Chemical Society. LSV: Linear sweep voltammetry; FE: Faradaic efficiency; RHE: reversible hydrogen electrode.