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. 2022 Nov 23;123(1):379–444. doi: 10.1021/acs.chemrev.2c00495

Figure 57.

Figure 57

(a) Operando XANES spectra at Cu K-edge during NH3 SCR reaction, (b, c) linear combination analysis of Cu species in a low and highly loaded Cu-SSZ-13 catalyst under NH3 SCR conditions, respectively. For the fitting, Cu references were extracted by MCR-ALS, and (d) evolution of vtc XES spectra Kβ″ region at different temperatures for the higher loaded Cu catalyst. Adapted with permission from ref (58) under Creative Commons Attribution-NonCommercial 3.0 Unported License. Royal Society of Chemistry.