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. 2024 Jul 25;29(15):3481. doi: 10.3390/molecules29153481

Figure 2.

Figure 2

(a) Schematic diagram of CuO/CeO2 honeycomb ceramic monolithic catalyst and comparison of powder and ceramic monolithic catalyst activity with different Cu/Ce ratios [28]; (b) in situ Raman spectra of the MnCo/CeO2 catalyst at various temperatures during the CO-PROX reaction [32].