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Amorphization activated ruthenium-tellurium nanorods for efficient water splitting

Author

Listed:
  • Juan Wang

    (Soochow University)

  • Lili Han

    (University of California)

  • Bolong Huang

    (The Hong Kong Polytechnic University, Hung Hom)

  • Qi Shao

    (Soochow University)

  • Huolin L. Xin

    (University of California)

  • Xiaoqing Huang

    (Soochow University)

Abstract

Pursuing active and durable water splitting electrocatalysts is of vital significance for solving the sluggish kinetics of the oxygen evolution reaction (OER) process in energy supply. Herein, theoretical calculations identify that the local distortion-strain effect in amorphous RuTe2 system abnormally sensitizes the Te-pπ coupling capability and enhances the electron-transfer of Ru-sites, in which the excellent inter-orbital p-d transfers determine strong electronic activities for boosting OER performance. Thus, a robust electrocatalyst based on amorphous RuTe2 porous nanorods (PNRs) is successfully fabricated. In the acidic water splitting, a-RuTe2 PNRs exhibit a superior performance, which only require a cell voltage of 1.52 V to reach a current density of 10 mA cm−2. Detailed investigations show that the high density of defects combine with oxygen atoms to form RuOxHy species, which are conducive to the OER. This work offers valuable insights for constructing robust electrocatalysts based on theoretical calculations guided by rational design and amorphous materials.

Suggested Citation

  • Juan Wang & Lili Han & Bolong Huang & Qi Shao & Huolin L. Xin & Xiaoqing Huang, 2019. "Amorphization activated ruthenium-tellurium nanorods for efficient water splitting," Nature Communications, Nature, vol. 10(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13519-1
    DOI: 10.1038/s41467-019-13519-1
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    Cited by:

    1. Dong Liu & Tao Ding & Lifeng Wang & Huijuan Zhang & Li Xu & Beibei Pang & Xiaokang Liu & Huijuan Wang & Junhui Wang & Kaifeng Wu & Tao Yao, 2023. "In situ constructing atomic interface in ruthenium-based amorphous hybrid-structure towards solar hydrogen evolution," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Huanyu Jin & Xinyan Liu & Pengfei An & Cheng Tang & Huimin Yu & Qinghua Zhang & Hong-Jie Peng & Lin Gu & Yao Zheng & Taeseup Song & Kenneth Davey & Ungyu Paik & Juncai Dong & Shi-Zhang Qiao, 2023. "Dynamic rhenium dopant boosts ruthenium oxide for durable oxygen evolution," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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