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Monocrystalline Platinum-Nickel Branched Nanocages with Enhanced Catalytic Performance towards Hydrogen Evolution Reaction

Abstract

Single crystalline noble metal nanocages are the most promising candidates for the heterogeneous catalysis due to their large specific surface area, well-defined structure and enhanced structure stability. Herein, based on the observation of the unexpected phenomenon that the alloying of Pt and transition metal by co-reduction is more preferential than the formation of pure Pt NCs, we propose a feasible one-pot strategy to synthesize the well-epitaxial core-shell Pt-Ni structure with Ni-rich alloy as core and Pt-rich alloy as the shell. The as-prepared well-epitaxial Pt-Ni core-shell structures are subsequently etched into the monocrystalline Pt-Ni branched nanocages with the wall thickness being 2.8 nm. This unique structure exhibits excellent catalytic performance and stability for the hydrogen evolution reaction (HER) in the alkaline solution which is great significant for the energy-intensive water-alkali and chlor-alkali industry.

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Publication details

The article was received on 07 Dec 2017, accepted on 11 Feb 2018 and first published on 12 Feb 2018


Article type: Communication
DOI: 10.1039/C7NR09116H
Citation: Nanoscale, 2018, Accepted Manuscript
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    Monocrystalline Platinum-Nickel Branched Nanocages with Enhanced Catalytic Performance towards Hydrogen Evolution Reaction

    Z. Cao, H. Li, C. Zhan, J. Zhang, W. Wang, B. Xu, F. Lu, Y. Jiang, Z. Xie and L. Zheng, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C7NR09116H

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