Fig. 6: Exploration of facets structures and reaction mechanism.
From: Observation of metal-organic interphase in Cu-based electrochemical CO2-to-ethanol conversion
a OH− electro-adsorption measurements of CuOx, 1,8-octanedithiol-CuOx (current density was magnified 1.5 times) and 2-pyridinemethanethiol-CuOx catalysts in Ar-saturated 1.0 M KOH after 200 s reduction at −0.69 V vs RHE. b The side view of the 1,8-octanedithiol coordinated on Cu(110). c The side view of the 1,8-octanedithiol coordinated on Cu(100). Atomic color codes: Cu (brown), S (yellow), C (gray), O (red), and H (white). d CO stripping of CuOx, 1,8-octanedithiol-CuOx and 2-pyridinemethanethiol-CuOx catalysts. e Correlation coefficients and hierarchical clustering results between FE of each CO2RR product. Comparison of CO2RR and CORR product distributions on f CuOx, g 1,8-octanedithiol-CuOx, and h 2-pyridinemethanethiol-CuOx catalysts at applied current density of 100 mA cm−2 and 200 mA cm−2, respectively. The experiments of CO2RR at all the applied current density were performed at least three times and the results were displayed as mean ± standard deviation. The CORR data was tested once. The potentials converted to RHE were presented as non-iR corrected values. Source data for Fig. 6a, d, f–h data are provided as a Source Data file.
