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Enhanced copper anticorrosion from Janus-doped bilayer graphene

Author

Listed:
  • Mengze Zhao

    (Peking University)

  • Zhibin Zhang

    (Peking University
    Chinese Academy of Sciences)

  • Wujun Shi

    (ShanghaiTech University
    ShanghaiTech University)

  • Yiwei Li

    (ShanghaiTech University
    Wuhan University)

  • Chaowu Xue

    (ShanghaiTech University)

  • Yuxiong Hu

    (ShanghaiTech University)

  • Mingchao Ding

    (Chinese Academy of Sciences)

  • Zhiqun Zhang

    (ShanghaiTech University)

  • Zhi Liu

    (ShanghaiTech University
    ShanghaiTech University)

  • Ying Fu

    (Chinese Academy of Sciences)

  • Can Liu

    (Renmin University of China)

  • Muhong Wu

    (Chinese Academy of Sciences
    International Centre for Quantum Materials, Collaborative Innovation Centre of Quantum Matter, Peking University
    Interdisciplinary Institute of Light-Element Quantum Materials and Research Centre for Light-Element Advanced Materials, Peking University)

  • Zhongkai Liu

    (ShanghaiTech University)

  • Xin-Zheng Li

    (Peking University
    Interdisciplinary Institute of Light-Element Quantum Materials and Research Centre for Light-Element Advanced Materials, Peking University
    Peking University Yangtze Delta Institute of Optoelectronics)

  • Zhu-Jun Wang

    (ShanghaiTech University)

  • Kaihui Liu

    (Peking University
    Chinese Academy of Sciences
    International Centre for Quantum Materials, Collaborative Innovation Centre of Quantum Matter, Peking University
    Peking University Yangtze Delta Institute of Optoelectronics)

Abstract

The atomic-thick anticorrosion coating for copper (Cu) electrodes is essential for the miniaturisation in the semiconductor industry. Graphene has long been expected to be the ultimate anticorrosion material, however, its real anticorrosion performance is still under great controversy. Specifically, strong electronic couplings can limit the interfacial diffusion of corrosive molecules, whereas they can also promote the surficial galvanic corrosion. Here, we report the enhanced anticorrosion for Cu simply via a bilayer graphene coating, which provides protection for more than 5 years at room temperature and 1000 h at 200 °C. Such excellent anticorrosion is attributed to a nontrivial Janus-doping effect in bilayer graphene, where the heavily doped bottom layer forms a strong interaction with Cu to limit the interfacial diffusion, while the nearly charge neutral top layer behaves inertly to alleviate the galvanic corrosion. Our study will likely expand the application scenarios of Cu under various extreme operating conditions.

Suggested Citation

  • Mengze Zhao & Zhibin Zhang & Wujun Shi & Yiwei Li & Chaowu Xue & Yuxiong Hu & Mingchao Ding & Zhiqun Zhang & Zhi Liu & Ying Fu & Can Liu & Muhong Wu & Zhongkai Liu & Xin-Zheng Li & Zhu-Jun Wang & Kaih, 2023. "Enhanced copper anticorrosion from Janus-doped bilayer graphene," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43357-1
    DOI: 10.1038/s41467-023-43357-1
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    References listed on IDEAS

    as
    1. Jian Peng & Bili Chen & Zhichang Wang & Jing Guo & Binghui Wu & Shuqiang Hao & Qinghua Zhang & Lin Gu & Qin Zhou & Zhi Liu & Shuqin Hong & Sifan You & Ang Fu & Zaifa Shi & Hao Xie & Duanyun Cao & Chan, 2020. "Surface coordination layer passivates oxidation of copper," Nature, Nature, vol. 586(7829), pages 390-394, October.
    2. Alfredo Rueda & Florian Sedlmeir & Madhuri Kumari & Gerd Leuchs & Harald G. L. Schwefel, 2019. "Publisher Correction: Resonant electro-optic frequency comb," Nature, Nature, vol. 569(7758), pages 11-11, May.
    3. Alfredo Rueda & Florian Sedlmeir & Madhuri Kumari & Gerd Leuchs & Harald G. L. Schwefel, 2019. "Resonant electro-optic frequency comb," Nature, Nature, vol. 568(7752), pages 378-381, April.
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