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Fiber gas sensor-integrated smart face mask for room-temperature distinguishing of target gases

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Abstract

Wearable gas sensors that are lightweight, portable, and inexpensive have great potential application in the real-time detection of human health and environmental monitoring. In this work, we fabricated flexible fiber gas sensors with single-walled carbon nanotube (SWCNT), multi-walled carbon nanotube (MWCNT), and ZnO quantum dot-decorated SWCNT (SWCNTs@ZnO) sensing elements. These flexible fiber gas sensors could be operated at room temperature to detect target gases with good sensitivity and recovery time. They also exhibited superior long-term stability, as well as good device mechanical bending ability and robustness. Integrating these flexible gas sensors into face masks, the fabricated wearable smart face masks could be used to selectively detect C2H5OH, HCHO, and NH3 by reading the corresponding LEDs with different colors. Such face masks have great potential application in the Internet of Things and wearable electronics.

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Acknowledgements

This work was supported by the National Science Fund for Distinguished Young Scholars (No. 61625404), the National Natural Science Foundation of China (Nos. 61504136 and 51672308), Beijing Natural Science Foundation (No. 4162062) and the Key Research Program of Frontier Sciences, Chinese Academy of Sciences (No. QYZDY-SSW-JWC004).

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Author notes

  1. Zhiyi Gao and Zheng Lou contributed equally to this work.

Authors and Affiliations

  1. Coherent Light and Atomic and Molecular Spectroscopy Laboratory, Key Laboratory of Physics and Technology for Advanced Batteries, College of Physics, Jilin University, Changchun, 130012, China

    Zhiyi Gao & Zuoling Fu

  2. State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, 100083, China

    Zhiyi Gao, Zheng Lou, Shuai Chen, La Li & Guozhen Shen

  3. Institute & Hospital of Hepatobiliary Surgery, Key Laboratory of Digital Hepatobiliary Surgery of Chinese PLA, Chinese PLA Medical School, Chinese PLA General Hospital, Beijing, 100853, China

    Kai Jiang

  4. Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education)-International Center of Future Science, Jilin University, Changchun, 130012, China

    Wei Han

  5. College of Materials Science and Opto-electronic Technology, University of Chinese Academy of Sciences, Beijing, 100029, China

    Guozhen Shen

Authors
  1. Zhiyi Gao
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  2. Zheng Lou
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  3. Shuai Chen
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  4. La Li
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  5. Kai Jiang
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  6. Zuoling Fu
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  7. Wei Han
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  8. Guozhen Shen
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Correspondence to Zuoling Fu, Wei Han or Guozhen Shen.

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Gao, Z., Lou, Z., Chen, S. et al. Fiber gas sensor-integrated smart face mask for room-temperature distinguishing of target gases. Nano Res. 11, 511–519 (2018). https://doi.org/10.1007/s12274-017-1661-9

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  • DOI: https://doi.org/10.1007/s12274-017-1661-9

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