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Nano Research 2024, 17(5): 3714-3723 https://doi.org/10.1007/s12274-023-6281-y
Research Article | Issue | Published: 20 November 2023

Electronic engineering of Co-Ru diatomic sites and Ru nanoparticles for synergistic promotion of hydrogen evolution

Show Author's Information Wei Zhang1,2,  Cong Li1,  Yongyong Cao3( ),  Jun-Yang Ji1,  Zhao-Chen Li1,  Zheng Niu1,  Hongwei Gu1,  Pierre Braunstein4,  Jian-Ping Lang1,2( )
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
Université de Strasbourg - CNRS, Institut de Chimie (UMR 7177 CNRS), 4 rue Blaise Pascal-CS 90032, 67081 Strasbourg, France
Keywords:
hydrogen evolution reaction, Ru nanoparticles, synergistic effect, Co-Ru diatomic sites, multiple active sites
Topics:
Hydrogen evolution reaction
Cite this article:
Zhang W, Li C, Cao Y, et al. Electronic engineering of Co-Ru diatomic sites and Ru nanoparticles for synergistic promotion of hydrogen evolution. Nano Research, 2024, 17(5): 3714-3723. https://doi.org/10.1007/s12274-023-6281-y
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Abstract Full text Electronic supplementary material About this article

The coexistence of multi-component active sites like single-atom sites, diatomic sites (DAS) and nanoclusters is shown to result in superior performances in the hydrogen evolution reaction (HER). Metal diatomic sites are more complex than single-atom sites but their unique electronic structures can lead to significant enhancement of the HER kinetics. Although the synthesis and identification of DAS is usually challenging, we report a simple access to a diatomic catalyst by anchoring Co-Ru DAS on nitrogen-doped carbon supports along with Ru nanoparticles (NPs). Experimental and theoretical results revealed the atomic-level characteristics of Co-Ru sites, their strong electronic coupling and their synergy with Ru NPs within the catalyst. The unique electronic structure of the catalyst resulted in an excellent HER activity and stability in alkaline media. This work provides a valuable insight into a widely applicable design of diatomic catalysts with multi-component active sites for highly efficient HER electrocatalysis.


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Abstract
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Electronic supplementary material
About this article

Electronic engineering of Co-Ru diatomic sites and Ru nanoparticles for synergistic promotion of hydrogen evolution

Show Author's information Wei Zhang1,2, Cong Li1, Yongyong Cao3( ), Jun-Yang Ji1, Zhao-Chen Li1, Zheng Niu1, Hongwei Gu1, Pierre Braunstein4, Jian-Ping Lang1,2( )
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
Université de Strasbourg - CNRS, Institut de Chimie (UMR 7177 CNRS), 4 rue Blaise Pascal-CS 90032, 67081 Strasbourg, France

Abstract

The coexistence of multi-component active sites like single-atom sites, diatomic sites (DAS) and nanoclusters is shown to result in superior performances in the hydrogen evolution reaction (HER). Metal diatomic sites are more complex than single-atom sites but their unique electronic structures can lead to significant enhancement of the HER kinetics. Although the synthesis and identification of DAS is usually challenging, we report a simple access to a diatomic catalyst by anchoring Co-Ru DAS on nitrogen-doped carbon supports along with Ru nanoparticles (NPs). Experimental and theoretical results revealed the atomic-level characteristics of Co-Ru sites, their strong electronic coupling and their synergy with Ru NPs within the catalyst. The unique electronic structure of the catalyst resulted in an excellent HER activity and stability in alkaline media. This work provides a valuable insight into a widely applicable design of diatomic catalysts with multi-component active sites for highly efficient HER electrocatalysis.

Keywords: hydrogen evolution reaction, Ru nanoparticles, synergistic effect, Co-Ru diatomic sites, multiple active sites

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Acknowledgements

Publication history

Received: 06 September 2023
Revised: 15 October 2023
Accepted: 19 October 2023
Published: 20 November 2023
Issue date: May 2024

Copyright

© Tsinghua University Press 2023

Acknowledgements

Acknowledgements

We thank the National Natural Science Foundation of China (No. 22271203), the State Key Laboratory of Organometallic Chemistry of Shanghai Institute of Organic Chemistry (No. KF2021005), the Collaborative Innovation Center of Suzhou Nano Science and Technology, the Priority Academic Program Development of Jiangsu Higher Education Institutions, and the Project of Scientific and Technologic Infrastructure of Suzhou (No. SZS201905).

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