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. 2020 Dec 11;11(1):43–59. doi: 10.1021/acscatal.0c04290

Figure 1.

Figure 1

Panels A and B: Ex situ collected PXRD patterns of the initial doped La2NiO4 Ruddlesden–Popper materials. The lower panel indicates the phase assignment to the respective reference structures. Panels B focus on a narrower 2θ window for closer analysis. Panels C and D: Similar analysis of the five spent doped La2NiO4 Ruddlesden–Popper materials after a catalytic DRM (CO2:CH4:He = 1:1:3) runs in a total gas flow of 100 mL min–1 up to 800 °C for a total time of 2 h.