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Creators/Authors contains: "Yan, Ning"

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  1. ; ; ; ; ; (, IEEE)
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  2. ; ; ; (, Chemical Communications)
    Atomically dispersed cerium species, anchored to high-area alumina by unsaturated penta-coordinated aluminum, strongly interact with atomically dispersed Cu species to provide active centers for water–gas shift reaction (WGSR). 
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  3. ; ; ; (, 2020 IEEE 6th International Conference on Collaboration and Internet Computing (CIC))
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  4. ; ; ; ; (, IEEE Journal of Selected Topics in Signal Processing)
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  5. ; ; ; ; ; ; ; ; (, International Journal of Nanomedicine)
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  6. ; ; ; ; ; ; ; ; (, Polymers)
    In this study, we fabricated a highly flexible fiber-based capacitive humidity sensor using a scalable convergence fiber drawing approach. The sensor’s sensing layer is made of porous polyetherimide (PEI) with its porosity produced in situ during fiber drawing, whereas its electrodes are made of copper wires. The porosity induces capillary condensation starting at a low relative humidity (RH) level (here, 70%), resulting in a significant increase in the response of the sensor at RH levels ranging from 70% to 80%. The proposed humidity sensor shows a good sensitivity of 0.39 pF/% RH in the range of 70%–80% RH, a maximum hysteresis of 9.08% RH at 70% RH, a small temperature dependence, and a good stability over a 48 h period. This work demonstrates the first fiber-based humidity sensor fabricated using convergence fiber drawing. 
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