fig5

Figure 5. (A) Free energy of urea synthesis on the {010} facets at Vo-InOOH and original InOOH; (B) Infrared signals (800 to 1,800 cm^-1) obtained from operando SR-FTIR at potentials of -0.30 to -1.00 V (vs. RHE) on Vo-InOOH during the C-N coupling. Reprinted with permission from ref^[30]. Copyright 2022 American Chemical Society; (C and D) Free energy of reduction (C) ^*NO₃ to ^*NH₂, (D) CO₂ to CO; (E) Free energy of C-N coupling on the surface of Cu@Zn, Zn, and Cu. Reprinted with permission from ref^[32]. Copyright 2022 American Chemical Society. InOOH: Indium oxyhydroxide; SR-FTIR: synchrotron radiation-Fourier transform infrared spectroscopy; RHE: reversible hydrogen electrode.