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Subnanometric Ru clusters with upshifted D band center improve performance for alkaline hydrogen evolution reaction

Author

Listed:
  • Qi Hu

    (Shenzhen University, Shenzhen)

  • Keru Gao

    (Shenzhen University, Shenzhen)

  • Xiaodeng Wang

    (Chongqing University of Arts and Sciences)

  • Hongju Zheng

    (Shenzhen University, Shenzhen)

  • Jianyong Cao

    (Shenzhen University, Shenzhen)

  • Lingren Mi

    (Shenzhen University, Shenzhen)

  • Qihua Huo

    (Shenzhen University, Shenzhen)

  • Hengpan Yang

    (Shenzhen University, Shenzhen)

  • Jianhong Liu

    (Shenzhen University, Shenzhen)

  • Chuanxin He

    (Shenzhen University, Shenzhen)

Abstract

Subnanometric metal clusters usually have unique electronic structures and may display electrocatalytic performance distinctive from single atoms (SAs) and larger nanoparticles (NPs). However, the electrocatalytic performance of clusters, especially the size-activity relationship at the sub-nanoscale, is largely unexplored. Here, we synthesize a series of Ru nanocrystals from single atoms, subnanometric clusters to larger nanoparticles, aiming at investigating the size-dependent activity of hydrogen evolution in alkaline media. It is found that the d band center of Ru downshifts in a nearly linear relationship with the increase of diameter, and the subnanometric Ru clusters with d band center closer to Femi level display a stronger water dissociation ability and thus superior hydrogen evolution activity than SAs and larger nanoparticles. Benefiting from the high metal utilization and strong water dissociation ability, the Ru clusters manifest an ultrahigh turnover frequency of 43.3 s−1 at the overpotential of 100 mV, 36.1-fold larger than the commercial Pt/C.

Suggested Citation

  • Qi Hu & Keru Gao & Xiaodeng Wang & Hongju Zheng & Jianyong Cao & Lingren Mi & Qihua Huo & Hengpan Yang & Jianhong Liu & Chuanxin He, 2022. "Subnanometric Ru clusters with upshifted D band center improve performance for alkaline hydrogen evolution reaction," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-31660-2
    DOI: 10.1038/s41467-022-31660-2
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    Cited by:

    1. Fengyi Shen & Zhihao Zhang & Zhe Wang & Hao Ren & Xinhu Liang & Zengjian Cai & Shitu Yang & Guodong Sun & Yanan Cao & Xiaoxin Yang & Mingzhen Hu & Zhengping Hao & Kebin Zhou, 2024. "Oxophilic Ce single atoms-triggered active sites reverse for superior alkaline hydrogen evolution," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Gonglei Shao & Changfei Jing & Zhinan Ma & Yuanyuan Li & Weiqi Dang & Dong Guo & Manman Wu & Song Liu & Xu Zhang & Kun He & Yifei Yuan & Jun Luo & Sheng Dai & Jie Xu & Zhen Zhou, 2024. "Dynamic coordination engineering of 2D PhenPtCl2 nanosheets for superior hydrogen evolution," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. Yanyan Fang & Cong Wei & Zenan Bian & Xuanwei Yin & Bo Liu & Zhaohui Liu & Peng Chi & Junxin Xiao & Wanjie Song & Shuwen Niu & Chongyang Tang & Jun Liu & Xiaolin Ge & Tongwen Xu & Gongming Wang, 2024. "Unveiling the nature of Pt-induced anti-deactivation of Ru for alkaline hydrogen oxidation reaction," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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