A new way to assemble
individual molecules could revolutionize the creation of novel materials
with numerous potential applications, including emerging technologies
such as flexible TVs. The results of this ground-breaking research are
published on 22 June in the prestigious journal Nature Chemistry.
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Tuesday, 24 June 2014
Saturday, 7 June 2014
Evolution of a bimetallic nanocatalyst
Atomic-scale
snapshots of a bimetallic nanoparticle catalyst in action have provided
insights that could help improve the industrial process by which fuels
and chemicals are synthesized from natural gas, coal or plant biomass. A
multi-national lab collaboration led by researchers with the U.S.
Department of Energy (DOE)’s Lawrence Berkeley National Laboratory
(Berkeley Lab) has taken the most detailed look ever at the evolution of
platinum/cobalt bimetallic nanoparticles during reactions in oxygen and
hydrogen gases.
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| 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. |