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Issue 32, 2018
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Pd–Ru core–shell nanoparticles with tunable shell thickness for active and stable oxygen evolution performance

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Abstract

For Ru nanoparticles to be effective oxygen evolution reaction (OER) catalysts an approach is needed that stabilizes Ru while retaining high activity. Here, we present a synthesis for Pd–Ru core–shell nanoparticles with tunable shell thicknesses between 0.3–1.2 nm. The Pd core stabilizes the Ru shell to increase the stability by up to 10×, while maintaining the high current densities of pure Ru nanoparticles. Results show that the activity and stability of the nanoparticles is highly dependent on the nanoparticle shell thickness, with thin Ru shells and full coverage of the Pd core being vital for increasing both activity and stability.

Graphical abstract: Pd–Ru core–shell nanoparticles with tunable shell thickness for active and stable oxygen evolution performance

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Supplementary files

Article information


Submitted
24 Apr 2018
Accepted
31 Jul 2018
First published
03 Aug 2018

Nanoscale, 2018,10, 15173-15177
Article type
Communication

Pd–Ru core–shell nanoparticles with tunable shell thickness for active and stable oxygen evolution performance

L. Gloag, T. M. Benedetti, S. Cheong, R. F. Webster, C. E. Marjo, J. J. Gooding and R. D. Tilley, Nanoscale, 2018, 10, 15173
DOI: 10.1039/C8NR03341B

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