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Non-dispersive infrared multi-gas sensing via nanoantenna integrated narrowband detectors

Author

Listed:
  • Xiaochao Tan

    (Huazhong University of Science and Technology)

  • Heng Zhang

    (Huazhong University of Science and Technology)

  • Junyu Li

    (Huazhong University of Science and Technology)

  • Haowei Wan

    (Huazhong University of Science and Technology)

  • Qiushi Guo

    (Yale University)

  • Houbin Zhu

    (Shandong University)

  • Huan Liu

    (Huazhong University of Science and Technology)

  • Fei Yi

    (Huazhong University of Science and Technology)

Abstract

Non-dispersive infrared (NDIR) spectroscopy analyzes the concentration of target gases based on their characteristic infrared absorption. In conventional NDIR gas sensors, an infrared detector has to pair with a bandpass filter to select the target gas. However, multiplexed NDIR gas sensing requires multiple pairs of bandpass filters and detectors, which makes the sensor bulky and expensive. Here, we propose a multiplexed NDIR gas sensing platform consisting of a narrowband infrared detector array as read-out. By integrating plasmonic metamaterial absorbers with pyroelectric detectors at the pixel level, the detectors exhibit spectrally tunable and narrowband photoresponses, circumventing the need for separate bandpass filter arrays. We demonstrate the sensing of H2S, CH4, CO2, CO, NO, CH2O, NO2, SO2. The detection limits of common gases such as CH4, CO2, and CO are 63 ppm, 2 ppm, and 11 ppm, respectively. We also demonstrate the deduction of the concentrations of two target gases in a mixture.

Suggested Citation

  • Xiaochao Tan & Heng Zhang & Junyu Li & Haowei Wan & Qiushi Guo & Houbin Zhu & Huan Liu & Fei Yi, 2020. "Non-dispersive infrared multi-gas sensing via nanoantenna integrated narrowband detectors," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-19085-1
    DOI: 10.1038/s41467-020-19085-1
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    Cited by:

    1. Zhihao Ren & Zixuan Zhang & Jingxuan Wei & Bowei Dong & Chengkuo Lee, 2022. "Wavelength-multiplexed hook nanoantennas for machine learning enabled mid-infrared spectroscopy," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    2. Jianxiong Zhu & Shanling Ji & Zhihao Ren & Wenyu Wu & Zhihao Zhang & Zhonghua Ni & Lei Liu & Zhisheng Zhang & Aiguo Song & Chengkuo Lee, 2023. "Triboelectric-induced ion mobility for artificial intelligence-enhanced mid-infrared gas spectroscopy," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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