17 April 2017 Development of a fiber shape polymeric humidity sensor
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Abstract
In this paper, we demonstrate a polymeric humidity sensor made of a cellulose based composite nanofiber. The device measures humidity via a humidity induced electrical impedance change. The compact, efficient design of the fiber makes it ideal to incorporate into textiles for biometrics applications such as body fluid monitoring. Initial test results show that the sensor can measure between 20 to 80% relative humidity with a sensitivity of about 2%. The impedance of the sensor material changes relatively linearly with relative humidity. The sensor also shows a relatively fast response (~4s) compared to current commercial sensors.
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Yen-Tse Cheng, Yen-Tse Cheng, Ling-Chih Chen, Ling-Chih Chen, Wei-Chih Wang, Wei-Chih Wang, } "Development of a fiber shape polymeric humidity sensor", Proc. SPIE 10167, Nanosensors, Biosensors, Info-Tech Sensors and 3D Systems 2017, 101670K (17 April 2017); doi: 10.1117/12.2260302; https://doi.org/10.1117/12.2260302
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