Amorphous interphase (IMAGE) DOE/Lawrence Berkeley National Laboratory 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. Credit Zheng et al/Berkeley Lab Usage Restrictions Use credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.