Fig. 3: Physical characterization of catalysts. | Nature Communications

Fig. 3: Physical characterization of catalysts.

From: Long-term stable acidic electroreduction of CO2 to C2 products at industrial current density using passivated copper

Fig. 3

a TEM image of initial OD-Cu. b TEM image of AC-OD-Cu after 0.5 h reaction. c, d TEM image of OD-Cu and AC-OD-Cu after 2.0 h reaction at 500 mA cm−2, respectively. e C1s XPS spectra of OD-Cu and AC-OD-Cu after 2.0 h reaction. f The FTIR spectra of OD-Cu and AC-OD-Cu after 2.0 h reaction. Inset is the structural formula of citrate. g Enlarged CV curves showing OHad-(100) adsorption peaks on the OD-Cu and AC-OD-Cu.

Back to article page