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Efficient and scalable synthesis of highly aligned and compact two-dimensional nanosheet films with record performances

Author

Listed:
  • Jing Zhong

    (Chinese Academy of Sciences)

  • Wei Sun

    (Harbin Institute of Technology
    Key Lab of Structure Dynamic Behavior and Control (Harbin Institute of Technology), Ministry of Education)

  • Qinwei Wei

    (Chinese Academy of Sciences
    University of Science and Technology of China)

  • Xitang Qian

    (Chinese Academy of Sciences
    University of Science and Technology of China)

  • Hui-Ming Cheng

    (Chinese Academy of Sciences
    University of Science and Technology of China
    Tsinghua University)

  • Wencai Ren

    (Chinese Academy of Sciences
    University of Science and Technology of China)

Abstract

It is crucial to align two-dimensional nanosheets to form a highly compact layered structure for many applications, such as electronics, optoelectronics, thermal management, energy storage, separation membranes, and composites. Here we show that continuous centrifugal casting is a universal, scalable and efficient method to produce highly aligned and compact two-dimensional nanosheets films with record performances. The synthesis mechanism, structure control and property dependence of alignment and compaction of the films are discussed. Significantly, 10-μm-thick graphene oxide films can be synthesized within 1 min, and scalable synthesis of meter-scale films is demonstrated. The reduced graphene oxide films show super-high strength (~660 MPa) and conductivity (~650 S cm−1). The reduced graphene oxide/carbon nanotube hybrid-film-based all-solid-state flexible supercapacitors exhibit ultrahigh volumetric capacitance (407 F cm−3) and energy density (~10 mWh cm−3) comparable to that of thin-film lithium batteries. We also demonstrate the production of highly anisotropic graphene nanocomposites as well as aligned, compact films and vertical heterostructures of various nanosheets.

Suggested Citation

  • Jing Zhong & Wei Sun & Qinwei Wei & Xitang Qian & Hui-Ming Cheng & Wencai Ren, 2018. "Efficient and scalable synthesis of highly aligned and compact two-dimensional nanosheet films with record performances," Nature Communications, Nature, vol. 9(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05723-2
    DOI: 10.1038/s41467-018-05723-2
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    Cited by:

    1. Shanshan Hong & Maria Vincenzo & Alberto Tiraferri & Erica Bertozzi & Radosław Górecki & Bambar Davaasuren & Xiang Li & Suzana P. Nunes, 2024. "Precision ion separation via self-assembled channels," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Tiezhu Xu & Zhenming Xu & Tengyu Yao & Miaoran Zhang & Duo Chen & Xiaogang Zhang & Laifa Shen, 2023. "Discovery of fast and stable proton storage in bulk hexagonal molybdenum oxide," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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