Scalable Fabrication of Highly Flexible Porous Polymer-Based Capacitive Humidity Sensor Using Convergence Fiber Drawing

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dc.contributor.authorTousi, Maryam Mesgarpouren
dc.contributor.authorZhang, Yujingen
dc.contributor.authorWan, Shaoweien
dc.contributor.authorYu, Lien
dc.contributor.authorHou, Chongen
dc.contributor.authorYan, Ningen
dc.contributor.authorFink, Yoelen
dc.contributor.authorWang, Anboen
dc.contributor.authorJia, Xiaotingen
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2019-12-20T15:00:42Zen
dc.date.available2019-12-20T15:00:42Zen
dc.date.issued2019-12-02en
dc.date.updated2019-12-20T14:09:38Zen
dc.description.abstractIn 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.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationTousi, M.M.; Zhang, Y.; Wan, S.; Yu, L.; Hou, C.; Yan, N.; Fink, Y.; Wang, A.; Jia, X. Scalable Fabrication of Highly Flexible Porous Polymer-Based Capacitive Humidity Sensor Using Convergence Fiber Drawing. Polymers 2019, 11, 1985.en
dc.identifier.doihttps://doi.org/10.3390/polym11121985en
dc.identifier.urihttp://hdl.handle.net/10919/96154en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectcapacitive humidity sensoren
dc.subjectconvergence fiber drawingen
dc.subjectporous polymeren
dc.subjectflexibleen
dc.subjectPEIen
dc.titleScalable Fabrication of Highly Flexible Porous Polymer-Based Capacitive Humidity Sensor Using Convergence Fiber Drawingen
dc.title.serialPolymersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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