Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1375
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dc.contributor.authorTemel, Farabi-
dc.contributor.authorÖzaytekin, İlkay-
dc.date.accessioned2021-12-13T10:38:49Z-
dc.date.available2021-12-13T10:38:49Z-
dc.date.issued2021-
dc.identifier.issn0924-4247-
dc.identifier.issn1873-3069-
dc.identifier.urihttps://doi.org/10.1016/j.sna.2021.112688-
dc.identifier.urihttps://hdl.handle.net/20.500.13091/1375-
dc.description.abstractThis paper describes the preparation of the polybenzimidazole nanofiber (PBINF) onto the QCM sensor by electrospinning of 2,2'-(p-phenylene)-5,5'-bis(benzoxazole) (PBI) and polyvinylidene fluoride (PVDF) as the hydrocarbon sensing material for the first time. The characterization of PBINF was conducted by FTIR, SEM, TGA, AFM, and contact angle analysis. Initial experiments revealed that the higher responses were observed towards toluene and ethylbenzene vapors. The proposed chemosensor performance was then tested towards toluene and ethylbenzene vapors in different concentrations ranging from 1-10 ppm-level. Hence, the chemosensor sensitivity (S, Hz ppm(-1)) and limit of detection (LOD, ppm) were determined as 6.7411 Hz ppm(-1) (toluene), 7.0743 Hz ppm(-1) (ethylbenzene) and 0.41 ppm (toluene), 0.45 ppm (ethylbenzene), respectively. Also, the adsorption phenomena were investigated by adapting the experimental results to some adsorption models. The Freundlich and Langmuir-Freundlich adsorption models were in good correlation with experimental data. Thus, it was thought that PBINF formed a heterogeneous surface, and the toluene sensing by the proposed chemosensor reached equilibria in high volatile organic compound (VOC) concentrations. In further experiments, the sensor performance was evaluated by five sequential adsorption/desorption cycles and every week for six weeks towards 10 ppm toluene vapors. Hence, the chemosensor exhibited good repeatability and durability feature. It was thought that the adsorption of toluene onto the sensor surface was weak physical adsorption, such as pi-pi interaction between the toluene and the benzene rings in the PBI. In conclusion, the PBINF platform onto the QCM sensor will be a useful, promising agent for hydrocarbon detection in many sensing applications. (C) 2021 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipResearch Foundation of Konya Technical Universityen_US
dc.description.sponsorshipWe thank the Research Foundation of Konya Technical University for its financial support.en_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE SAen_US
dc.relation.ispartofSENSORS AND ACTUATORS A-PHYSICALen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectChemosensoren_US
dc.subjectLimit Of Detectionen_US
dc.subjectPbien_US
dc.subjectPvdfen_US
dc.subjectQcmen_US
dc.subjectSensitivityen_US
dc.subjectVocen_US
dc.subjectVolatile Organic-Compoundsen_US
dc.subjectSensoren_US
dc.subjectAdsorptionen_US
dc.subjectPerformanceen_US
dc.subjectReceptoren_US
dc.subjectOxideen_US
dc.subjectVocsen_US
dc.titleThe monitoring of hydrocarbon vapor by electrospun PBINF modified QCM chemosensoren_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.sna.2021.112688-
dc.identifier.scopus2-s2.0-85103690907en_US
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Mühendisliği Bölümüen_US
dc.authoridTemel, Farabi/0000-0002-5502-8647-
dc.authorwosidTemel, Farabi/AAR-6170-2021-
dc.identifier.volume326en_US
dc.identifier.wosWOS:000647444600009en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.authorscopusid57170366300-
dc.authorscopusid9632570400-
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextembargo_20300101-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
crisitem.author.dept02.01. Department of Chemical Engineering-
crisitem.author.dept02.01. Department of Chemical Engineering-
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections
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