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Chemical vapour deposition growth of large single crystals of monolayer and bilayer graphene

Author

Listed:
  • Hailong Zhou

    (University of California)

  • Woo Jong Yu

    (University of California
    Present address: Department of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea)

  • Lixin Liu

    (University of California)

  • Rui Cheng

    (University of California)

  • Yu Chen

    (University of California)

  • Xiaoqing Huang

    (University of California)

  • Yuan Liu

    (University of California)

  • Yang Wang

    (University of California)

  • Yu Huang

    (University of California
    California Nanosystems Institute, University of California)

  • Xiangfeng Duan

    (University of California
    California Nanosystems Institute, University of California)

Abstract

The growth of large-domain single crystalline graphene with the controllable number of layers is of central importance for large-scale integration of graphene devices. Here we report a new pathway to greatly reduce the graphene nucleation density from ~106 to 4 nuclei cm−2, enabling the growth of giant single crystals of monolayer graphene with a lateral size up to 5 mm and Bernal-stacked bilayer graphene with the lateral size up to 300 μm, both the largest reported to date. The formation of the giant graphene single crystals eliminates the grain boundary scattering to ensure excellent device-to-device uniformity and remarkable electronic properties with the expected quantum Hall effect and the highest carrier mobility up to 16,000 cm2 V−1 s−1. The availability of the ultra large graphene single crystals can allow for high-yield fabrication of integrated graphene devices, paving a pathway to scalable electronic and photonic devices based on graphene materials.

Suggested Citation

  • Hailong Zhou & Woo Jong Yu & Lixin Liu & Rui Cheng & Yu Chen & Xiaoqing Huang & Yuan Liu & Yang Wang & Yu Huang & Xiangfeng Duan, 2013. "Chemical vapour deposition growth of large single crystals of monolayer and bilayer graphene," Nature Communications, Nature, vol. 4(1), pages 1-8, October.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3096
    DOI: 10.1038/ncomms3096
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