RESEARCH / A0062
Unlocking the Catalytic Activity of Iron via Vanadium-Mediated Electronic Structure Tuning in Perovskite Fuel Electrodes
Read the original paper · 10.1002/adfm.76821 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
FIGURE 2 Electronic structure characterization of LSFVx. (a) Fe 2p XPS spectra. (b) V 2p XPS spectra. (c) O 1s XPS spectra. (d) Normalized Fe K-edge XANES spectra. (e) k3-Weighted Fe K-edge FT-EXAFS spectra. (f) Experimental and fitted Fe K-edge FT-EXAFS spectra of LSFV0.05 in R space. (g–i) Wavelet transforms of the k3-weighted Fe K-edge FT-EXAFS spectra of (g) LSFV0.05, (h) Fe2O3, and (i) Fe foil.