RESEARCH / A0516
Microenvironment modulation of Fe single atoms in porous g-C3N4 by introducing −SOx groups for enhanced photo-Fenton reactions
Read the original paper · 10.1016/j.cej.2024.157468 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Fig. 2. High-resolution XPS spectra of different catalysts: (a) C 1s, (b) N 1s, (c) S 2p; (d) normalized Fe K-edge XANES spectra and (e) k2-weighted Fe K-edge FT- EXAFS spectra at R space of different samples, (f) k2-weighted Fe K-edge EXAFS fitting curve and the optimized structure of Fe1/CN-SOx catalyst (C = gray, N = blue, Fe = orange, S = yellow, O = red); (g-j) wavelet-transform (WT) contour plots of different samples.