Fig. 1
From: Copper-on-nitride enhances the stable electrosynthesis of multi-carbon products from CO2
Electrocatalyst design and the corresponding XPS characterization. a Schematic of preparing the Cu-on-Cu3N catalyst. b XPS spectra of Cu 2p, N 1 s, and Auger Cu LMM of the Cu3N nanocrystals with long organic ODA (i), the Cu3N nanocrystals with an oxide layer after N3- ligand exchange (ii), and the Cu-on-Cu3N composite after initial electroreduction (iii)
