Fig. 3: Operando spectra analysis.
From: Lanthanide single-atom catalysts for efficient CO2-to-CO electroreduction
a operando ATR-IR spectra of Er SAC (without iR-correction). b operando ATR-IR spectra of Fe SAC (without iR-correction). c operando XANES spectra of Er SAC measured at different potentials (without iR-correction). d Corresponding operando k3 weighted Fourier transform EXAFS spectra of Er SAC (without iR-correction). Atom color-coding: Red, oxygen; white, hydrogen; grey, carbon; blue, nitrogen; orange, Fe; pink, Er.
