fig14
Figure 14. (A) The schematic illustration of synthesis of CuNCN and preparation of Cu-based/CxNy by CuNCN pyrolysis; (B) HRTEM of CuNCN-300. (Reproduced with permission[163]. Copyright 2022, Elsevier B.V. All rights reserved); (C) Product selectivity of the hydrocarbons generated from the p-NG-Cu-7 catalyzed reduction at -0.9 V. (Reproduced with permission[164]. Copyright 2016, Elsevier Ltd). NCN: Elements N and C; HRTEM: High-resolution transmission electron microscope.