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Robust microscale superlubricity under high contact pressure enabled by graphene-coated microsphere

Author

Listed:
  • Shu-Wei Liu

    (State Key Laboratory of Tribology, Tsinghua University)

  • Hua-Ping Wang

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences)

  • Qiang Xu

    (School of Mechanical Engineering, Beijing Institute of Technology)

  • Tian-Bao Ma

    (State Key Laboratory of Tribology, Tsinghua University)

  • Gui Yu

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences)

  • Chenhui Zhang

    (State Key Laboratory of Tribology, Tsinghua University)

  • Dechao Geng

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences)

  • Zhiwei Yu

    (State Key Laboratory of Tribology, Tsinghua University)

  • Shengguang Zhang

    (School of Mechanical Engineering, Beijing Institute of Technology)

  • Wenzhong Wang

    (School of Mechanical Engineering, Beijing Institute of Technology)

  • Yuan-Zhong Hu

    (State Key Laboratory of Tribology, Tsinghua University)

  • Hui Wang

    (State Key Laboratory of Tribology, Tsinghua University)

  • Jianbin Luo

    (State Key Laboratory of Tribology, Tsinghua University)

Abstract

Superlubricity of graphite and graphene has aroused increasing interest in recent years. Yet how to obtain a long-lasting superlubricity between graphene layers, under high applied normal load in ambient atmosphere still remains a challenge but is highly desirable. Here, we report a direct measurement of sliding friction between graphene and graphene, and graphene and hexagonal boron nitride (h-BN) under high contact pressures by employing graphene-coated microsphere (GMS) probe prepared by metal-catalyst-free chemical vapour deposition. The exceptionally low and robust friction coefficient of 0.003 is accomplished under local asperity contact pressure up to 1 GPa, at arbitrary relative surface rotation angles, which is insensitive to relative humidity up to 51% RH. This ultralow friction is attributed to the sustainable overall incommensurability due to the multi-asperity contact covered with randomly oriented graphene nanograins. This realization of microscale superlubricity can be extended to the sliding between a variety of two-dimensional (2D) layers.

Suggested Citation

  • Shu-Wei Liu & Hua-Ping Wang & Qiang Xu & Tian-Bao Ma & Gui Yu & Chenhui Zhang & Dechao Geng & Zhiwei Yu & Shengguang Zhang & Wenzhong Wang & Yuan-Zhong Hu & Hui Wang & Jianbin Luo, 2017. "Robust microscale superlubricity under high contact pressure enabled by graphene-coated microsphere," Nature Communications, Nature, vol. 8(1), pages 1-8, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14029
    DOI: 10.1038/ncomms14029
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    Cited by:

    1. Xuanyu Huang & Tengfei Li & Jin Wang & Kai Xia & Zipei Tan & Deli Peng & Xiaojian Xiang & Bin Liu & Ming Ma & Quanshui Zheng, 2023. "Robust microscale structural superlubricity between graphite and nanostructured surface," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Kuichang Zuo & Xiang Zhang & Xiaochuan Huang & Eliezer F. Oliveira & Hua Guo & Tianshu Zhai & Weipeng Wang & Pedro J. J. Alvarez & Menachem Elimelech & Pulickel M. Ajayan & Jun Lou & Qilin Li, 2022. "Ultrahigh resistance of hexagonal boron nitride to mineral scale formation," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    3. Yajie Hu & Hongyun Ma & Mingmao Wu & Tengyu Lin & Houze Yao & Feng Liu & Huhu Cheng & Liangti Qu, 2022. "A reconfigurable and magnetically responsive assembly for dynamic solar steam generation," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    4. Dhanola, Anil & Khanna, Navneet & Gajrani, Kishor Kumar, 2022. "A critical review on liquid superlubricitive technology for attaining ultra-low friction," Renewable and Sustainable Energy Reviews, Elsevier, vol. 165(C).

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