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dc.contributor.authorBeduk, Tutku
dc.contributor.authorBihar, Eloise
dc.contributor.authorSurya, Sandeep Goud
dc.contributor.authorRobles, Aminta Naidili Castillo
dc.contributor.authorInal, Sahika
dc.contributor.authorSalama, Khaled N.
dc.date.accessioned2019-12-11T12:28:56Z
dc.date.available2019-12-11T12:28:56Z
dc.date.issued2019-12-06
dc.identifier.citationBedük, T., Bihar, E., Surya, S. G., Robles, A. N. C., Inal, S., & Salama, K. N. (2019). A paper-based inkjet-printed PEDOT:PSS/ ZnO sol-gel hydrazine sensor. Sensors and Actuators B: Chemical, 127539. doi:10.1016/j.snb.2019.127539
dc.identifier.doi10.1016/j.snb.2019.127539
dc.identifier.urihttp://hdl.handle.net/10754/660528
dc.description.abstractHydrazine is widely used in industries as a precursor for blowing agents, pharmaceuticals, and pesticides. It is a highly toxic compound; therefore, it is of paramount interest to develop new analytical methods for the detection and control of hydrazine exposure. In this work, we describe the fabrication of an all inkjet-printed paper sensor composed of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) electrode functionalized with zinc oxide (ZnO) and encapsulated in a Nafion matrix for the amperometric determination of low concentrations of hydrazine. The electrochemical properties of the fully inkjet-printed PEDOT:PSS/Nafion and PEDOT:PSS/ZnO/Nafion sensors are compared in the presence and absence of different concentrations of hydrazine. The stability and sensitivity of these electrodes are significantly enhanced after modification with ZnO particles. The layer-by-layer deposition of the materials on the electrode surface is characterized by SEM, XRD, and AFM. The printed sensor exhibits a linear response in the 10 to 500 μM hydrazine concentration range and a ∼5 μM detection limit (at S/N = 3). The electrochemical sensitivity is 0.14 µA·µM-1 cm-2, and the best working voltage is 0.5 V. The developed sensor was applied successfully for the determination of hydrazine content in tap, sea, and mineral water samples validating the accuracy of this sensor.
dc.description.sponsorshipThe authors would like to acknowledge the financial support of funding from King Abdullah University of Science and Technology (KAUST), Saudi Arabia.
dc.publisherElsevier BV
dc.relation.urlhttps://linkinghub.elsevier.com/retrieve/pii/S0925400519317381
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Sensors and Actuators B: Chemical. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Sensors and Actuators B: Chemical, [[Volume], [Issue], (2019-12-06)] DOI: 10.1016/j.snb.2019.127539 . © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleA paper-based inkjet-printed PEDOT:PSS/ ZnO sol-gel hydrazine sensor
dc.typeArticle
dc.contributor.departmentMaterials Science and Engineering Program
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentSensors Lab, Advanced Membranes and Porous Materials Center, Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentBioscience Program
dc.contributor.departmentElectrical Engineering Program
dc.identifier.journalSensors and Actuators B: Chemical
dc.rights.embargodate2021-12-06
dc.eprint.versionPost-print
kaust.personBeduk, Tutku
kaust.personBihar, Eloise
kaust.personBihar, Eloise
kaust.personSurya, Sandeep Goud
kaust.personRobles, Aminta Naidili Castillo
kaust.personInal, Sahika
kaust.personSalama, Khaled N.
refterms.dateFOA2020-12-13T08:16:32Z
dc.date.published-online2019-12-06
dc.date.published-print2020-03


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