fig7

Figure 7. Schemes for (A) ZIFNC preparation, (B) ZIFNC@GDY, and (C) their application to NH₃ production; (D and E) HRTEM images of ZIFNC@GDY; (F) Y_NH3 at different potentials of ZIFNC@GDY and ZIFNC; (G) FEs at different potentials of ZIFNC@GDY and ZIFNC^[96]; (A-G) are reprinted with permission from reference^[96]. Copyright 2022 Wiley-VCH GmbH; (H) Schematic for integrating Ni-MOF ultrathin nanosheets with few-layer HsGDY-supported Cu single atoms and clusters; (I) Potential-dependent FE_NH3 of NiBDC, HsGDY@Cu and NiBDC@HsGDY@Cu^[97]; (H and I) are reprinted with permission from reference^[97]. Copyright 2024 Wiley-VCH GmbH; (J) Scheme for fabrication of NiCoBDC@HsGDY nanowire array; (K) SEM image of the NiCoBDC@HsGDY nanoarray; (L) Potential-dependent Y_NH3 normalized by geometric area over NiCoBDC, NiCoBDC@HsGDY, CoBDC@HsGDY, and NiBDC@HsGDY^[98]; (J-L) are reprinted with permission from reference^[98]. Copyright 2023 American Chemical Society. GDY: Graphdiyne; ZIFNC: ZIF-67 nanocubes; SCE: saturated calomel electrode; NiBDC: Ni-benzenedicarboxylic acid; RT: room temperature; RHE: reversible hydrogen electrode.