Electrical characterization of PEDOT:PSS beyond humidity saturation

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dc.contributor.authorKus, Mahmut
dc.contributor.authorOkur, Salih
dc.date.accessioned2020-03-26T17:38:31Z
dc.date.available2020-03-26T17:38:31Z
dc.date.issued2009
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractPEDOT:PSS humidity sensor was fabricated using a drop-casting method between thermally evaporated gold electrodes with 30 mu m separation and 300 mu m channel width on a glass substrate. AC, DC resistivity, and AFM techniques were used to characterize the PEDOT: PSS humidity sensor in the same environmental conditions. The change of resistivity was monitored with increasing relative humidity (RH) up to 90%. The resistivity increases linearly up to a maximum value, and then it starts to decrease abruptly above 80% relative humidity (RH) after saturation of water uptake. The decrease in resistivity above 80% RH seems to be due to the water meniscus layer formed on the saturated PEDOT: PSS film. Below 80% RH, the device works like a humidity sensor. (C) 2009 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipTUBITAK (Scientific and Technical Research Council of Turkey)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [TBAG108T718]; Turkish State Planning Organization (DPT)Turkiye Cumhuriyeti Kalkinma Bakanligi [DPT2003K120390]en_US
dc.description.sponsorshipThis research is supported by TUBITAK (Scientific and Technical Research Council of Turkey) with the project number of TBAG108T718 and by Turkish State Planning Organization (DPT) with the research project number of DPT2003K120390.en_US
dc.identifier.doi10.1016/j.snb.2009.08.055en_US
dc.identifier.endpage181en_US
dc.identifier.issn0925-4005en_US
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage177en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.snb.2009.08.055
dc.identifier.urihttps://hdl.handle.net/20.500.12395/23504
dc.identifier.volume143en_US
dc.identifier.wosWOS:000272376800028en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE SAen_US
dc.relation.ispartofSENSORS AND ACTUATORS B-CHEMICALen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectHumidity sensorsen_US
dc.subjectPEDOT:PSSen_US
dc.subjectResistivityen_US
dc.subjectConducting polymeren_US
dc.titleElectrical characterization of PEDOT:PSS beyond humidity saturationen_US
dc.typeArticleen_US

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