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 17), in accord with the decreased coordination range noticed in XAS (Supplementary Fig. 13). The surface chemical states of Cu?+NCN and CuNCN right after undergoing CO2RR for different moments had been more analyzed by XPS (Supplementary Fig. 18). The C-N coordination could be Evidently observed to the area of Cu?+NCN, whereas for CuNCN, C-N is… Read More