fig3

Figure 3. (A) Crystal structure of [AuAg₂₄(IPBT)₁₈]^- NC; (B) Core structures of the dopant-centered AuAg₁₂ icosahedra; (C) Surface metal-ligand coordination motifs of [AuAg₂₄(IPBT)₁₈]^- NCs; (D) FE_CO and j_CO of AuAg₂₄ across cell voltages ranging from -2.8 to -3.6 V in a zero-gap MEA cell; (E) Long-term operation of AuAg₂₄ at -3.2 V in the MEA cell; (F) Free energy diagram for CO₂RR and (G) Adsorption free energies of ^*CO₂ and ^*CO on AuAg₂₄ and PtAg₂₄ NCs at U = 0 V vs. SHE. Reprinted with permission, copyright 2025 American Chemical Society^[113]. NC: Nanocluster; FE_CO: Faradaic efficiency of CO; j_CO: CO current density; MEA: membrane electrode assembly; CO₂RR: CO₂ reduction reaction; SHE: standard hydrogen electrode.