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- W1964022307 abstract "Atomically resolved structures and compositions of Pt alloy nanoparticles were obtained using aberration-corrected high-angle dark field imaging, which was correlated to specific ORR activity based on a Pt surface area. The enhanced specific ORR activity (approximately 2 times relative to Pt) of acid-treated Pt3Co nanoparticles can be related to composition variations at the atomic scale and the formation of percolated Pt-rich and Pt-poor regions within individual particles. Upon annealing, we show direct evidence of surface Pt sandwich-segregation structures, which correspond to a specific ORR activity approximately 4 times relative to Pt." @default.
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- W1964022307 date "2008-09-24" @default.
- W1964022307 modified "2023-09-23" @default.
- W1964022307 title "Enhanced Activity for Oxygen Reduction Reaction on “Pt<sub>3</sub>Co” Nanoparticles: Direct Evidence of Percolated and Sandwich-Segregation Structures" @default.
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- W1964022307 doi "https://doi.org/10.1021/ja802513y" @default.
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