Understanding core-shell nanoparticle growth

Per Physics World, researchers have discovered how platinum shells grow on different nanoparticle cores. When platinum forms on materials like ruthenium or palladium-copper, their mismatched crystal structures create strain that significantly affects catalytic performance. By understanding how each combination accommodates this atomic mismatch, scientists say they can engineer core-shell nanoparticles with better performance while using less of the expensive platinum.

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