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Tuning Complex Shapes in Platinum Nanoparticles: From Cubic Dendrites to Fivefold Stars


  • This work was supported by the European FP7-Train2 project and the French network METSA. We thank G. Antorrena for XPS measurements.


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A platinum star performance: Quasi-single-crystalline Pt nanoparticles with peculiar morphologies—cubic dendrites, planar tripods, and fivefold stars—were synthesized in high yield. Shape selectivity was achieved by finely tuning the growth kinetics under a dihydrogen atmosphere.

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