Abstract
The development of inexpensive, portable, and high-performance humidity sensors has broad application prospects in disease prevention and health monitoring. In this paper, plant cellulose thin film (PCF) materials such as flute film were used as sensor substrates, and GO/ZnO/PCF nanocomposites were constructed by hydrothermal method, and their resistive humidity sensing performance was studied. The results show that the sensor exhibits good linearity, excellent sensitivity, short response/recovery time, reliable stability, and repeatability over a wide relative humidity range. Furthermore, the rapid response and excellent feasibility of the sensor under different breathing conditions were verified by successfully monitoring normal, rapid, and deep breathing. GO/ZnO/PCF nanocomposites are potential sensing materials for high-performance humidity sensors with promising applications in disease prevention and personal care.
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Acknowledgements
We would like to thank the Engineering Research Center of Agricultural Multi-Dimensional Sensor Information Perception, Heilongjiang Province, and Heilongjiang Provincial Key Laboratory of Micro-Nano Sensor Component. This work was jointly supported by the Heilongjiang Higher Education Teaching Reform Project of Heilongjiang Provincial Department of Education(No.SJGY20200781), Key research and development project of Heilongjiang Province (Nos. GZ20210073 and GZ20210079), Open project of Heilongjiang Key Laboratory of micro nano sensors (No. WNCGQJKF202105), Fundamental Research Funds in Heilongjiang Provincial Universities (No. 145109215), and Heilongjiang Science Foundation Project (JQ2019F003 and ZD2019F004).
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Bairui Tao and Jiaxuan Yin are co-first authors.
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Tao, B., Yin, J., Miao, F. et al. High-performance humidity sensor based on GO/ZnO/plant cellulose film for respiratory monitoring. Ionics 28, 2413–2421 (2022). https://doi.org/10.1007/s11581-022-04478-7
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DOI: https://doi.org/10.1007/s11581-022-04478-7