Interface engineering of Ni5P2 nanoparticles and a mesoporous PtRu film heterostructure on Ni foam for enhanced hydrogen evolution

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Paper

Hongjie Yu, Ziqiang Wang, Shuli Yin, Chunjie Li, You Xu, Xiaonian Li, Liang Wang and Hongjing Wang

Published 18 September 2019 • © 2019 IOP Publishing Ltd
Nanotechnology,Volume 30, Number 48Citation Hongjie Yu et al 2019 Nanotechnology 30 485403DOI 10.1088/1361-6528/ab3d65

Hongjie Yu

AFFILIATIONS

State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

Ziqiang Wang

AFFILIATIONS

State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

EMAIL

Author notes

Authors to whom any correspondence should be addressed.

Shuli Yin

AFFILIATIONS

State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

Chunjie Li

AFFILIATIONS

State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

You Xu

AFFILIATIONS

State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

Xiaonian Li

AFFILIATIONS

State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

Liang Wang

AFFILIATIONS

State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

EMAIL

Author notes

Authors to whom any correspondence should be addressed.

https://orcid.org/0000-0001-7375-8478

Hongjing Wang

AFFILIATIONS

State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

EMAIL

Author notes

Authors to whom any correspondence should be addressed.

Notes

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Abstract

Engineering of multicomponent heterostructures can yield exceptional functionalities and enhance electrocatalytic activities by a synergistic effect. Herein, Ni5P2 nanoparticle-decorated mesoporous PtRu film on Ni foam (Ni5P2-mPtRu/NF) has been synthesized via a facile two-step strategy. Ni5P2-mPtRu/NF possesses a well-developed continuous mesoporous structure and strong electronic interaction between Ni5P2 and PtRu, exhibiting an enhanced electrocatalytic performance towards an alkaline hydrogen evolution reaction (HER). Ni5P2-mPtRu/NF achieves a current density of 10 mA cm−2 at an overpotential of 28.8 mV and a low Tafel slope of 56.5 mV dec−1, and has excellent durability. This work provides a promising pathway for developing self-supported mesoporous multicomponent heterostructures as efficient electrocatalysts for an alkaline HER.

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