fig6

Figure 6. (A) Schematic illustration of the multifunction motifs assembled in 2D-In-MOF and their functional characteristics and dynamic ligand dissociation mechanism. (B) Solid-state cyclic voltammograms of 2D-In-MOF conducted in 0.1 M LiBF₄ in CH₃CN electrolyte. (C) Ex situ and in situ Raman spectra of 2D-In-MOF before (black) and after (red) electrocatalysis in H₂SO₄ (pH = 1) with 0.5 g L^-1 KNO₃ and (D) in 50 mM H₂SO₄ (pH = 5) with 0.5 g L^-1 KNO₃. (E) Free energy diagram of electrochemical conversion of NO₃^- to NH₃ for 2D-In-MOF and the optimized geometric structures of intermediates corresponding to the N-end pathway (pH = 2/3). (A-E) Figures are reprinted with permission from Ref.^[98]. Copyright 2022 American Chemical Society^[98]. (F) HR-TEM image of Cu₁Co₁HHTP, (G) The electrocatalytic activities of various Cu_xCo_yHHTP catalysts at -0.6 V (vs. RHE). (H) d-orbit PDOS of Cu site in Cu₁Co₁HHTP and CuHHTP slabs. (I) Free energy diagrams of the NitRR process on Cu₁Co₁HHTP and CuHHTP slabs. (F-J) Figures are reprinted with permission from Ref.^[99]. Copyright 2023 Elsevier^[99].