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Narrow bandgap oxide nanoparticles coupled with graphene for high performance mid-infrared photodetection

Author

Listed:
  • Xuechao Yu

    (Nanyang Technological University)

  • Yangyang Li

    (King Abdullah University of Science and Technology)

  • Xiaonan Hu

    (Nanyang Technological University)

  • Daliang Zhang

    (King Abdullah University of Science and Technology)

  • Ye Tao

    (Nanyang Technological University)

  • Zhixiong Liu

    (King Abdullah University of Science and Technology)

  • Yongmin He

    (Nanyang Technological University)

  • Md. Azimul Haque

    (King Abdullah University of Science and Technology)

  • Zheng Liu

    (School of Materials Science and Engineering, Nanyang Technological University)

  • Tom Wu

    (King Abdullah University of Science and Technology
    University of New South Wales (UNSW))

  • Qi Jie Wang

    (Nanyang Technological University)

Abstract

The pursuit of optoelectronic devices operating in the mid-infrared regime is driven by both fundamental interests and envisioned applications ranging from imaging, sensing to communications. Despite continued achievements in traditional semiconductors, notorious obstacles such as the complicated growth processes and cryogenic operation preclude the usage of infrared detectors. As an alternative path towards high-performance photodetectors, hybrid semiconductor/graphene structures have been intensively explored. However, the operation bandwidth of such photodetectors has been limited to visible and near-infrared regimes. Here we demonstrate a mid-infrared hybrid photodetector enabled by coupling graphene with a narrow bandgap semiconductor, Ti2O3 (Eg = 0.09 eV), which achieves a high responsivity of 300 A W−1 in a broadband wavelength range up to 10 µm. The obtained responsivity is about two orders of magnitude higher than that of the commercial mid-infrared photodetectors. Our work opens a route towards achieving high-performance optoelectronics operating in the mid-infrared regime.

Suggested Citation

  • Xuechao Yu & Yangyang Li & Xiaonan Hu & Daliang Zhang & Ye Tao & Zhixiong Liu & Yongmin He & Md. Azimul Haque & Zheng Liu & Tom Wu & Qi Jie Wang, 2018. "Narrow bandgap oxide nanoparticles coupled with graphene for high performance mid-infrared photodetection," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06776-z
    DOI: 10.1038/s41467-018-06776-z
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    Cited by:

    1. Mingjin Dai & Chongwu Wang & Bo Qiang & Yuhao Jin & Ming Ye & Fakun Wang & Fangyuan Sun & Xuran Zhang & Yu Luo & Qi Jie Wang, 2023. "Long-wave infrared photothermoelectric detectors with ultrahigh polarization sensitivity," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Han Gao & Chao Ding & Jaeseok Son & Yangyu Zhu & Mingzheng Wang & Zhi Gen Yu & Jianing Chen & Le Wang & Scott A. Chambers & Tae Won Noh & Mingwen Zhao & Yangyang Li, 2022. "Ultra-flat and long-lived plasmons in a strongly correlated oxide," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Yinqi Wang & Kun Huang & Jianan Fang & Ming Yan & E Wu & Heping Zeng, 2023. "Mid-infrared single-pixel imaging at the single-photon level," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    4. Stefan M. Koepfli & Michael Baumann & Robin Gadola & Shadi Nashashibi & Yesim Koyaz & Daniel Rieben & Arif Can Güngör & Michael Doderer & Killian Keller & Yuriy Fedoryshyn & Juerg Leuthold, 2024. "Controlling photothermoelectric directional photocurrents in graphene with over 400 GHz bandwidth," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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