Fig. 5: Structural evolution and composition analyses of BiCuSeO after CO2RR.
From: Active and conductive layer stacked superlattices for highly selective CO2 electroreduction
a Schematic illustration of the in situ structural evolution for BiCuSeO. b Se 2d, c O 1 s, and d Bi 4 f XPS spectra for BiCuSeO catalysts before and after the CO2RR. e Pourbaix diagram of BiCuSeO. f TEM and g the corresponding EDS mapping images of BiCuSeOR.
