Contact: Lynn Yarris
DOE/Lawrence Berkeley National Laboratory
Caption: This TEM image of platinum/cobalt bimetallic nanoparticle catalyst in action shows that during the oxidation reaction, cobalt atoms migrate to the surface of the particle, forming a cobalt oxide epitaxial film, like water on oil.
Credit: Image courtesy of Haimei Zheng, Berkeley Lab
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Related news release: Evolution of a bimetallic nanocatalyst