Fig. 1: Differences in the restructuring of Cu2O catalysts between the NO3RR and the CO2RR during initial linear sweep voltammetry scan. | Nature Materials

Fig. 1: Differences in the restructuring of Cu2O catalysts between the NO3RR and the CO2RR during initial linear sweep voltammetry scan.

From: Revealing catalyst restructuring and composition during nitrate electroreduction through correlated operando microscopy and spectroscopy

Fig. 1

a, Schematic of the EC-TEM experimental configuration in which the Cu2O precatalyst was electrodeposited on the working electrode of an EC-TEM chip prior to the experiment. b,c, Snapshots showing the restructuring of Cu2O cubes as observed by operando EC-TEM during linear sweep voltammetry under NO3RR conditions in 0.1 M Na2SO4 + 8 mM NaNO3, pH 7 (Supplementary Video 1) (b) and an image sequence describing the behaviour of identically synthesized cubes under CO2RR conditions in CO2-saturated 0.1 M KHCO3, pH 6.8 at a similar applied potential range (Supplementary Video 2) (c). The electron flux used in these experiments is 1.75 e− A−2 s−1.

Back to article page