Electrical conduction and NO2 gas sensing properties of ZnO nanorods

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dc.contributor.authorSahin, Yasin
dc.contributor.authorOzturk, Sadullah
dc.contributor.authorKilinc, Necmettin
dc.contributor.authorKosemen, Arif
dc.contributor.authorErkovan, Mustafa
dc.contributor.authorOzturk, Zafer Ziya
dc.date.accessioned2025-10-29T11:30:27Z
dc.date.issued2014
dc.departmentGebze Teknik Üniversitesi
dc.description.abstractThermally stimulated current (TSC), photoresponse and gas sensing properties of zinc oxide (ZnO) nanorods were investigated depending on heating rates, illumination and dark aging times with using sandwich type electrode system. Vertically aligned ZnO nanorods were grown on indium tin oxide (ITO) coated glass substrate by hydrothermal process. TSC measurements were performed at different heating rates under constant potential. Photoresponse and gas sensing properties were investigated in dry air ambient at 200 degrees C. For gas sensing measurements, ZnO nanorods were exposed to NO2 (100 ppb to 1 ppm) in dark and illuminated conditions and the resulting resistance transient was recorded. It was found from dark electrical measurements that the dependence of the dc conductivity on temperature followed Mott's variable range hopping (VRH) model. In addition, response time and recovery times of ZnO nanorods to NO2 gas decreased by exposing to white light. (C) 2014 Elsevier B. V. All rights reserved.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [111M261]
dc.description.sponsorshipThis study was supported by Scientific and Technological Research Council of Turkey (TUBITAK) entitled Development of Automotive Gas Sensors Based on Nano-Metal-Oxide Semiconductor with increased Selectivity, Sensitivity and Stability (Project Number: 111M261).
dc.identifier.doi10.1016/j.apsusc.2014.02.083
dc.identifier.endpage96
dc.identifier.issn0169-4332
dc.identifier.issn1873-5584
dc.identifier.orcid0000-0002-4851-3062
dc.identifier.orcid0000-0003-2123-2938
dc.identifier.orcid0000-0002-4527-2056
dc.identifier.orcid0000-0002-5818-9737
dc.identifier.orcid0000-0002-7572-7963
dc.identifier.scopus2-s2.0-84898008900
dc.identifier.scopusqualityQ1
dc.identifier.startpage90
dc.identifier.urihttps://doi.org/10.1016/j.apsusc.2014.02.083
dc.identifier.urihttps://hdl.handle.net/20.500.14854/11565
dc.identifier.volume303
dc.identifier.wosWOS:000334293200013
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Bv
dc.relation.ispartofApplied Surface Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20251020
dc.subjectZnO
dc.subjectNanorods
dc.subjectHydrothermal process
dc.subjectTSC
dc.subjectVRH
dc.subjectNO2 sensor
dc.subjectPhotoresponse
dc.titleElectrical conduction and NO2 gas sensing properties of ZnO nanorods
dc.typeArticle

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