Spatiotemporal Mapping of Local Heterogeneities during Electrochemical Carbon Dioxide Reduction.

ABSTRACT: The activity and selectivity of a copper electrocatalyst during the electrochemical CO₂ reduction reaction (eCO₂RR) are largely dominated by the interplay between local reaction environment, the catalyst surface, and the adsorbed intermediates. In situ characterization studies have revealed many aspects of this intimate relationship between surface reactivity and adsorbed species, but these investigations are often limited by the spatial and temporal resolution of the analytical technique of choice. Here, Raman spectroscopy with both space and time resolution was used to reveal the distribution of adsorbed species and potential reaction intermediates on a copper electrode during eCO₂RR. Principal component analysis (PCA) of the in situ Raman s

SUBMITTER: An H 

PROVIDER: S-EPMC10369669 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature