RESEARCH / A0391
Fluorine-induced spin-state tuning in Co3O4 enhances nonradical peroxymonosulfate activation efficiency
Read the original paper · 10.1016/j.apcatb.2025.125574 ↗
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. 1. (a) Schematic illustration of the synthetic procedure of the F-Co3O4 catalyst. (b) SEM image and (c) corresponding elemental mapping images of F-Co3O4. (d) HR-TEM image of F-Co3O4. (e) XRD pattern, (f) Raman spectra and (g) high-resolution Co 2p XPS spectra of Co3O4 and F-Co3O4 catalysts. (h) Normalized Co K-edge XANES spectra (i) and Fourier transformed EXAFS spectra of Co foil, Co3O4 Sta., Co3O4 and F-Co3O4. Co K-edge EXAFS fitting analysis for Co3O4 and F-Co3O4 at (j) R space.