Fig. 4: The effect of the acid-redox properties of dinuclear sites on SCR activity. | Nature Communications

Fig. 4: The effect of the acid-redox properties of dinuclear sites on SCR activity.

From: Single-atom catalysts reveal the dinuclear characteristic of active sites in NO selective reduction with NH3

Fig. 4

a–c EDX mapping, and d AC-STEM images of W1/Fe2O3 with a 2.0 wt% W loading. Selected dinuclear W1-Fe1 sites are marked by the red ellipses. e SCR rates over W1/Fe2O3 (red circle) and Fe1/WO3 (black square) with different ACS numbers at 270 °C. The error bars represent standard error.

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