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Wide-range and high-accuracy wireless sensor with self-humidity compensation for real-time ammonia monitoring

Author

Listed:
  • Wen Lv

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Jianhua Yang

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Qingda Xu

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Jaafar Abdul-Aziz Mehrez

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Jia Shi

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Wenjing Quan

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Hanyu Luo

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Min Zeng

    (Shanghai Jiao Tong University)

  • Nantao Hu

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Tao Wang

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Hao Wei

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Zhi Yang

    (Shanghai Jiao Tong University)

Abstract

Real-time and accurate biomarker detection is highly desired in point-of-care diagnosis, food freshness monitoring, and hazardous leakage warning. However, achieving such an objective with existing technologies is still challenging. Herein, we demonstrate a wireless inductor-capacitor (LC) chemical sensor based on platinum-doped partially deprotonated-polypyrrole (Pt-PPy+ and PPy0) for real-time and accurate ammonia (NH3) detection. With the chemically wide-range tunability of PPy in conductivity to modulate the impedance, the LC sensor exhibits an up-to-180% improvement in return loss (S11). The Pt-PPy+ and PPy0 shows the p-type semiconductor nature with greatly-manifested adsorption-charge transfer dynamics toward NH3, leading to an unprecedented NH3 sensing range. The S11 and frequency of the Pt-PPy+ and PPy0-based sensor exhibit discriminative response behaviors to humidity and NH3, enabling the without-external-calibration compensation and accurate NH3 detection. A portable system combining the proposed wireless chemical sensor and a handheld instrument is validated, which aids in rationalizing strategies for individuals toward various scenarios.

Suggested Citation

  • Wen Lv & Jianhua Yang & Qingda Xu & Jaafar Abdul-Aziz Mehrez & Jia Shi & Wenjing Quan & Hanyu Luo & Min Zeng & Nantao Hu & Tao Wang & Hao Wei & Zhi Yang, 2024. "Wide-range and high-accuracy wireless sensor with self-humidity compensation for real-time ammonia monitoring," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51279-9
    DOI: 10.1038/s41467-024-51279-9
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    References listed on IDEAS

    as
    1. Winston Yenyu Chen & Xiaofan Jiang & Sz-Nian Lai & Dimitrios Peroulis & Lia Stanciu, 2020. "Nanohybrids of a MXene and transition metal dichalcogenide for selective detection of volatile organic compounds," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
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