Fig. 1: Construction and identification of Fe-(μ-O)-Zn dual-atom sites in Fe1-Zn1/ZSM-5 catalyst. | Nature Communications

Fig. 1: Construction and identification of Fe-(μ-O)-Zn dual-atom sites in Fe1-Zn1/ZSM-5 catalyst.

From: Fe-(μ-O)-Zn dual-atom boosting C-C coupling for direct oxidation of methane to acetic acid using O2

Fig. 1: Construction and identification of Fe-(μ-O)-Zn dual-atom sites in Fe1-Zn1/ZSM-5 catalyst.

a k2-weighted μ(k) function of extended X-ray absorption fine structure (EXAFS) spectra of Fe spices. b EXAFS spectra of Zn spices. c Wavelet transform of the Fe K-edge EXAFS oscillations. d Wavelet transform of the Zn K-edge EXAFS oscillations; EXAFS fitting curve of (e) Fe and (f) Zn species in Fe1-Zn1/ZSM-5, the corresponding EXAFS K-space range used for the fitting is 2–12 Å−1; Inset, proposed coordination environment of Fe-(μ-O)-Zn entity.

Back to article page