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. 2024 Aug 15;146(38):25986–25999. doi: 10.1021/jacs.4c04815

Figure 7.

Figure 7

Formal oxidation state of Pd-iC-CeO2 in H2O2(aq) solvated conditions (A) Pd–K edge XAFS under high pressure methane to methanol conditions (34 bar total pressure, 20 bar CH4 pressure, 0.01 M H2O2 with 0.1 mL/min flow). (B) Ce M4,5-edge NEXAFS spectra comparing reference CeO2-M sample, pristine Pd-iC-CeO2, and Pd-iC-CeO2 in the reaction solution measured using a static NEXAFS liquid cell charged with Pd-iC-CeO2 in 20 μL post reaction liquor after 1 h under MtM conditions.