Fig. 2: Atomic structure analysis.
From: Multilayer stabilization for fabricating high-loading single-atom catalysts
a Fe K-edge XANES spectra and b FT of k3-weighted χ(k)-function of EXAFS spectra of Fe-SA-NSFC, where an Fe foil, FeO, Fe2O3, and FePc were used as reference materials. High-resolution X-ray photoelectron spectroscopy (XPS) spectra of c N 1s, d Fe 2p, e S 2p, and f F 1s.
