Abstract:Metals are prone to oxidation, which often results in significant changes to optical, electronic, chemical and mechanical properties in bulk systems. Nanoparticles are no exception in this respect but a holistic understanding of the mechanisms governing their oxidation is lacking. Here, we capture in situ the oxidation of single Cu nanoparticles to unravel a sequential competitive activation of different oxidation mechanisms at temperatures between 50 and 200°C. Using environmental scanning transmission electr… Show more
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