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Research Article

Interfacial electronic interaction enabling exposed Pt(110) facets with high specific activity in hydrogen evolution reaction

Sicong Qiao1,§, Qun He1,§, Quan Zhou1,§, Yuzhu Zhou1, Wenjie Xu1, Hongwei Shou1, Yuyang Cao1, Shuangming Chen1, Xiaojun Wu2, Li Song1 ( )
National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei 230026, China
Hefei National Laboratory for Physical Science at the Microscale, Collaborative Innovation of Center of Chemistry for Energy Materials (iChEM), School of Chemistry and Materials Sciences, University of Science and Technology of China, Hefei 230026, China

§ Sicong Qiao, Qun He, and Quan Zhou contributed equally to this work.

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Abstract

To achieve a complete industrial chain of hydrogen energy, the development of efficient electrocatalysts for hydrogen evolution reaction (HER) is of great concerns. Herein, a nickel nitride supported platinum (Pt) catalyst with highly exposed Pt(110) facets (Pt(110)-Ni3N) is obtained for catalyzing HER. Combined X-ray spectra and density functional theory studies demonstrate that the interfacial electronic interaction between Pt and Ni3N support can promote the hydrogen evolution on Pt(110) facets by weakening hydrogen adsorption. As a result, the Pt(110)-Ni3N catalyst delivers an obviously higher specific activity than commercial 20 wt.% Pt/C in acidic media. This work suggests that the suitable interface modulation may play a vital role in rationally designing advanced electrocatalysts.

Graphical Abstract

The strong interfacial electronic interaction modulates the hydrogen adsorption strength of Pt(110) facets to achieve high specific activity in acidic hydrogen evolution reaction.

Keywords

Interfacial electronic interactionhydrogen evolution reactionX-ray spectroscopyPt(110) facetsdensity functional theory

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Nano Research
Volume 16 Issue 1,
January 2023
Pages 174-180
DOI: 10.1007/s12274-022-4654-2

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Cite this article:
Qiao S, He Q, Zhou Q, et al. Interfacial electronic interaction enabling exposed Pt(110) facets with high specific activity in hydrogen evolution reaction. Nano Research, 2023, 16(1): 174-180. https://doi.org/10.1007/s12274-022-4654-2
Topics:
Crystal orientationElectrocatalysis Hydrogen evolution reaction X-ray absorption spectroscopy

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Received: 15 April 2022
Revised: 21 May 2022
Accepted: 13 June 2022
Published: 27 August 2022
© Tsinghua University Press 2022