Journal
NANO LETTERS
Volume 10, Issue 8, Pages 3073-3076Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl101642f
Keywords
Platinum catalytic nanoparticles; transmission electron microscopy; density functional theory calculations; surface steps
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Funding
- ARC [DP0986752]
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Accurate understanding of the structure of active sites is fundamentally important in predicting catalytic properties of heterogeneous nanocatalysts. We present an accurate determination of both experimental and theoretical atomic structures of surface monatomic steps on industrial platinum nanoparticles. This comparison reveals that the edges of nanoparticles can significantly alter the atomic positions of monatomic steps in their proximity, which can lead to substantial deviations in the catalytic properties compared with the extended surfaces.
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