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Oriented graphene nanoribbons embedded in hexagonal boron nitride trenches

Author

Listed:
  • Lingxiu Chen

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
    School of Physical Science and Technology, ShanghaiTech University)

  • Li He

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
    School of Optical and Electronic Information, Huazhong University of Science and Technology)

  • Hui Shan Wang

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
    School of Physics and Electronics, Central South University)

  • Haomin Wang

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences)

  • Shujie Tang

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
    Graduate University of the Chinese Academy of Sciences)

  • Chunxiao Cong

    (School of Physical and Mathematical Sciences, Nanyang Technological University
    State Key Laboratory of ASIC & System, School of Information Science and Technology, Fudan University)

  • Hong Xie

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences)

  • Lei Li

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
    School of Physics and Electronics, Central South University)

  • Hui Xia

    (National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences)

  • Tianxin Li

    (National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences)

  • Tianru Wu

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences)

  • Daoli Zhang

    (School of Optical and Electronic Information, Huazhong University of Science and Technology)

  • Lianwen Deng

    (School of Physics and Electronics, Central South University)

  • Ting Yu

    (School of Physical and Mathematical Sciences, Nanyang Technological University)

  • Xiaoming Xie

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
    School of Physical Science and Technology, ShanghaiTech University)

  • Mianheng Jiang

    (State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
    School of Physical Science and Technology, ShanghaiTech University)

Abstract

Graphene nanoribbons (GNRs) are ultra-narrow strips of graphene that have the potential to be used in high-performance graphene-based semiconductor electronics. However, controlled growth of GNRs on dielectric substrates remains a challenge. Here, we report the successful growth of GNRs directly on hexagonal boron nitride substrates with smooth edges and controllable widths using chemical vapour deposition. The approach is based on a type of template growth that allows for the in-plane epitaxy of mono-layered GNRs in nano-trenches on hexagonal boron nitride with edges following a zigzag direction. The embedded GNR channels show excellent electronic properties, even at room temperature. Such in-plane hetero-integration of GNRs, which is compatible with integrated circuit processing, creates a gapped channel with a width of a few benzene rings, enabling the development of digital integrated circuitry based on GNRs.

Suggested Citation

  • Lingxiu Chen & Li He & Hui Shan Wang & Haomin Wang & Shujie Tang & Chunxiao Cong & Hong Xie & Lei Li & Hui Xia & Tianxin Li & Tianru Wu & Daoli Zhang & Lianwen Deng & Ting Yu & Xiaoming Xie & Mianheng, 2017. "Oriented graphene nanoribbons embedded in hexagonal boron nitride trenches," Nature Communications, Nature, vol. 8(1), pages 1-6, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14703
    DOI: 10.1038/ncomms14703
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