Fig. 2: Electronic structure and chemical state of Fe-(μ-O)-Zn dual-atom sites in Fe1-Zn1/ZSM-5. | Nature Communications

Fig. 2: Electronic structure and chemical state of Fe-(μ-O)-Zn dual-atom sites in Fe1-Zn1/ZSM-5.

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

Fig. 2: Electronic structure and chemical state of Fe-(μ-O)-Zn dual-atom sites in Fe1-Zn1/ZSM-5.

a Fe K-edge X-ray absorption near-edge structure (XANES) spectra. Inset, pre-edge of the K-edge region of XANES. b Zn K-edge XANES spectra. Inset, pre-edge of the K-edge region of XANES. c XPS of Fe 2p for Fe1-Zn1/ZSM-5 and Fe1/ZSM-5. d XPS of Zn 2p for Fe1-Zn1/ZSM-5 and Zn1/ZSM-5. e Bader charge analysis of Fe in FeO bulk, Z[Fe-(μ-O)-Zn]2+, and Fe2O3 bulk. f Bader charge analysis of Zn in Z[Fe-(μ-O)-Zn]2+ and ZnO bulk.

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