Fig. 3: Characterization of CoOx/IrO2 electrocatalyst.
From: CoOx clusters-decorated IrO2 electrocatalyst activates NO3- mediator for benzylic C-H activation

XPS spectra of a, Co b, Ir and c, O in CoOx/IrO2. d XRD pattern of CoOx/IrO2. e EDX images showing the distribution of Co, Ir, and O on CoOx/IrO2. f HRTEM image of the CoOx cluster of the CoOx/IrO2 electrocatalyst. Inset: The corresponding FFT image of the CoOx cluster. g Co K-edge XANES spectrum and h, Fourier transformation of the k2-weighted EXAFS of CoOx/IrO2. i Ir L3 edge XANES spectrum and j, Fourier transformation of k2-weighted EXAFS of IrO2 and CoOx/IrO2 catalyst. Source data for Fig. 2a–d and g–j are provided as a Source Data file.