Amorphous interphase (IMAGE)
Caption
(Left) In-situ TEM images showing the appearance, movement, and disappearance of the amorphous interphase (light blue) between the solid copper catalyst (brown) and liquid electrolyte (grey) at different timepoints. The dark blue arrows indicate directions of the amorphous phase movement. (Right) High-resolution TEM images showing a magnified view of the catalyst atomic dynamics mediated by the amorphous interphase during the carbon dioxide electroreduction reaction. Red dots highlight copper atoms on solid copper catalyst surface. Yellow dots highlight copper atoms with displacements while transforming into the amorphous phase. Red arrows indicate the atomic step. Yellow arrows indicate the resulting atomic roughness.
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Zheng et al/Berkeley Lab
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