Figure 3

The electrocatalytic performance of the samples at a potential of − 0.91 V vs. RHE. (a) The measured Faradic efficiencies and (b) the chronoamperometry profiles with an inset of a photograph of the 4 polished brass samples.

The electrocatalytic performance of the samples at a potential of − 0.91 V vs. RHE. (a) The measured Faradic efficiencies and (b) the chronoamperometry profiles with an inset of a photograph of the 4 polished brass samples.