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. 2020 Aug 13;11:4074. doi: 10.1038/s41467-020-17903-0

Fig. 3. Characterizations of Fe species.

Fig. 3

a EXAFS spectra of Fe-Px-PCC, Fe0.4/Fe-P900-PCC and reference materials (Fe foil and Fe2O3). b57Fe Mössbauer spectrum of Fe-P900-PCC. c, d The experimental Fe K-edge EXAFS data (blue dot) and the fitting curve (red line) of Fe-P900-PCC at k and R space, respectively. e Top and side views of optimized structural model of O2-Fe-P4.