A chemosensitive based ammonia gas sensor with PANI/PEO- ZnO nanofiber composites sensing layer

dc.contributor.authorKonuk Ege, Gözde
dc.contributor.authorAkay, Özge
dc.contributor.authorYüce, Hüseyin
dc.date.accessioned2024-06-13T20:18:16Z
dc.date.available2024-06-13T20:18:16Z
dc.date.issued2023
dc.departmentMeslek Yüksekokulu, Gedik Meslek Yüksekokulu, Mekatronik Programı
dc.description.abstractPurposeThe purpose of this study is to investigate the ammonia sensing performance of polyaniline/polyethylene oxide (PANI/PEO) and polyaniline/polyethylene oxide/zinc oxide (PANI/PEO-ZnO) composite nanofibers at room temperature. Design/methodology/approachGas sensor structures were fabricated using micro-fabrication techniques. First, onto the SiO2 wafer, gold electrodes were fabricated via thermal evaporation. PANI/PEO nanofibers were produced by the electrospinning method and the ZnO layer was deposited by RF magnetron sputtering on the electrospun nanofibers as a sensing layer. Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) were performed for characterization analysis of nanofibers. After all, gas sensing analysis of PANI/PEO and PANI/PEO/ZnO nanofibers was performed using an experimental setup at room temperature conditions. FindingsFTIR analysis confirms the presence of functional groups of PANI, PEO and ZnO in nanofiber structure. SEM images demonstrate beads-free, thinner and smooth nanofibers with ZnO contribution to electrospun PANI/PEO nanofibers. Moreover, according to the gas sensing results, the PANI/PEO nanofibers exhibit 115 and 457 s response time and recovery time, respectively. However, the PANI/PEO/ZnO nanofibers exhibit 245 and 153 s response time and recovery time, respectively. Originality/valueIn this study, ZnO was deposited via RF magnetron sputtering techniques on PANI/PEO nanofibers as a different approach instead of in situ polymerization, to investigate and enhance the sensor response and recovery time of the PANI/PEO/ZnO and PANI/PEO composite nanofibers to ammonia. These results indicated that ZnO can enhance the sensing properties of conductive polymer based resistive sensors.
dc.identifier.doi10.1108/MI-09-2022-0161
dc.identifier.issn1356-5362
dc.identifier.issn1758-812X
dc.identifier.scopus2-s2.0-85149651324
dc.identifier.scopusqualityQ4
dc.identifier.urihttps://doi.org/10.1108/MI-09-2022-0161
dc.identifier.urihttps://hdl.handle.net/11501/1290
dc.identifier.wosWOS:000943655900001
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKonuk Ege, Gözde
dc.institutionauthorid0000-0001-7349-0416
dc.language.isoen
dc.publisherEmerald Group Publishing Ltd
dc.relation.ispartofMicroelectronics International
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectComposites
dc.subjectPani
dc.subjectNanofibers
dc.titleA chemosensitive based ammonia gas sensor with PANI/PEO- ZnO nanofiber composites sensing layer
dc.typeArticle

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