Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 40, Pages 12760-12764Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b09402
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Funding
- Australian Research Council [LP150101014]
- Australian Research Council of Centre of Excellence in Convergent Bio-Nano Science and Technology [CE140100036]
- Microscopy Australia
- Mark Wainwright Analytical Centre at the University of New South Wales
- Electron Microscope Unit at the University of New South Wales
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A major synthetic challenge is to make metal nanoparticles with nanosized branches and well-defined facets for high-performance catalysts. Herein, we introduce a mechanism that uses the growth of hexagonal crystal structured branches off cubic crystal structured core nanoparticles. We control the growth to form Pd-core Ru-branch nanoparticles that have nanosized branches with low index Ru facets. We demonstrate that the branched and faceted structural features of the Pd-Ru nanoparticles retain high catalytic activity while also achieving high stability for the oxygen evolution reaction.
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