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Hetero-site nucleation for growing twisted bilayer graphene with a wide range of twist angles

Author

Listed:
  • Luzhao Sun

    (Peking University
    Peking University
    Beijing Graphene Institute)

  • Zihao Wang

    (University of Manchester)

  • Yuechen Wang

    (Peking University
    Peking University)

  • Liang Zhao

    (Soochow University)

  • Yanglizhi Li

    (Peking University
    Peking University
    Beijing Graphene Institute)

  • Buhang Chen

    (Beijing Graphene Institute)

  • Shenghong Huang

    (University of Science and Technology of China)

  • Shishu Zhang

    (Peking University)

  • Wendong Wang

    (University of Manchester)

  • Ding Pei

    (University of Oxford)

  • Hongwei Fang

    (ShanghaiTech University)

  • Shan Zhong

    (Peking University)

  • Haiyang Liu

    (Peking University)

  • Jincan Zhang

    (Peking University
    Beijing Graphene Institute)

  • Lianming Tong

    (Peking University)

  • Yulin Chen

    (University of Oxford
    ShanghaiTech University)

  • Zhenyu Li

    (University of Science and Technology of China)

  • Mark H. Rümmeli

    (Soochow University)

  • Kostya S. Novoselov

    (University of Manchester)

  • Hailin Peng

    (Peking University
    Beijing Graphene Institute)

  • Li Lin

    (University of Manchester)

  • Zhongfan Liu

    (Peking University
    Beijing Graphene Institute)

Abstract

Twisted bilayer graphene (tBLG) has recently attracted growing interest due to its unique twist-angle-dependent electronic properties. The preparation of high-quality large-area bilayer graphene with rich rotation angles would be important for the investigation of angle-dependent physics and applications, which, however, is still challenging. Here, we demonstrate a chemical vapor deposition (CVD) approach for growing high-quality tBLG using a hetero-site nucleation strategy, which enables the nucleation of the second layer at a different site from that of the first layer. The fraction of tBLGs in bilayer graphene domains with twist angles ranging from 0° to 30° was found to be improved to 88%, which is significantly higher than those reported previously. The hetero-site nucleation behavior was carefully investigated using an isotope-labeling technique. Furthermore, the clear Moiré patterns and ultrahigh room-temperature carrier mobility of 68,000 cm2 V−1 s−1 confirmed the high crystalline quality of our tBLG. Our study opens an avenue for the controllable growth of tBLGs for both fundamental research and practical applications.

Suggested Citation

  • Luzhao Sun & Zihao Wang & Yuechen Wang & Liang Zhao & Yanglizhi Li & Buhang Chen & Shenghong Huang & Shishu Zhang & Wendong Wang & Ding Pei & Hongwei Fang & Shan Zhong & Haiyang Liu & Jincan Zhang & L, 2021. "Hetero-site nucleation for growing twisted bilayer graphene with a wide range of twist angles," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22533-1
    DOI: 10.1038/s41467-021-22533-1
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    Cited by:

    1. Manzhang Xu & Hongjia Ji & Lu Zheng & Weiwei Li & Jing Wang & Hanxin Wang & Lei Luo & Qianbo Lu & Xuetao Gan & Zheng Liu & Xuewen Wang & Wei Huang, 2024. "Reconfiguring nucleation for CVD growth of twisted bilayer MoS2 with a wide range of twist angles," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    2. Qinci Wu & Jun Qian & Yuechen Wang & Luwen Xing & Ziyi Wei & Xin Gao & Yurui Li & Zhongfan Liu & Hongtao Liu & Haowen Shu & Jianbo Yin & Xingjun Wang & Hailin Peng, 2024. "Waveguide-integrated twisted bilayer graphene photodetectors," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    3. Ning Li & Ruochen Shi & Yifei Li & Ruishi Qi & Fachen Liu & Xiaowen Zhang & Zhetong Liu & Yuehui Li & Xiangdong Guo & Kaihui Liu & Ying Jiang & Xin-Zheng Li & Ji Chen & Lei Liu & En-Ge Wang & Peng Gao, 2023. "Phonon transition across an isotopic interface," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    4. Guowen Yuan & Weilin Liu & Xianlei Huang & Zihao Wan & Chao Wang & Bing Yao & Wenjie Sun & Hang Zheng & Kehan Yang & Zhenjia Zhou & Yuefeng Nie & Jie Xu & Libo Gao, 2023. "Stacking transfer of wafer-scale graphene-based van der Waals superlattices," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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