RESEARCH / A0462
Iron Oxide Clusters as Electron Donors Under Light Enhance Oxygen Reduction Kinetics at Atomically Dispersed Fe for Photocatalytic CH4 Partial Oxidation
Read the original paper · 10.1002/anie.202419075 ↗
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. Chemical and geometrical properties of Fe SA NC/C3N4. (a) N 1s XPS spectra of Fe SA NC/C3N4, Fe SA/C3N4, Fe NC/C3N4 and g-C3N4. (b) Normalized Fe K-edge XANES spectra of Fe SA NC/C3N4, Fe SA/C3N4 and Fe NC/C3N4 with Fe2O3, FeO and Fe foil as the references. (c) Fourier transform EXAFS spectra of Fe SA NC/C3N4, Fe SA/C3N4 and Fe NC/C3N4 with Fe2O3, FePc and Fe foil as the references. (d) Wavelet transform EXAFS of Fe SA NC/C3N4, Fe SA/C3N4 and Fe NC/C3N4 with Fe2O3 and FePc as the references. (e) EXAFS fitting curve of Fe SA NC/ C3N4. The inset image is a structural model of Fe SA NC/C3N4. (Fe, yellow; O, red; N, white; C, blue).