Fig. 2: Structural characterization of Ce(OH)x modified Cu catalysts. | Nature Communications

Fig. 2: Structural characterization of Ce(OH)x modified Cu catalysts.

From: Hydroxide promotes carbon dioxide electroreduction to ethanol on copper via tuning of adsorbed hydrogen

Fig. 2

a Scanning electron microscope image, b STEM image and corresponding EDX mapping for Cu and Ce, c High-magnitude SEM image, d High-resolution transmission electron microscopy image of Ce(OH)x/Cu/PTFE. The red dashed line draws attention to the interface, and the inset shows the FFT pattern corresponding to the yellow square. e Operando Cu K-edge and f operando Ce L3-edge XAS of Ce(OH)x/Cu/PTFE catalyst under a number of operating potentials in a flow cell.

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