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

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

doi:10.1088/1361-6528/ab3d65

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

Nanotechnology. 2019 Nov 29;30(48):485403. doi: 10.1088/1361-6528/ab3d65.

Authors

Hongjie Yu¹, Ziqiang Wang, Shuli Yin, Chunjie Li, You Xu, Xiaonian Li, Liang Wang, Hongjing Wang

Affiliation

¹ 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.

PMID: 31434060
DOI: 10.1088/1361-6528/ab3d65

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.