A first-principle study of nanostructured CuO thin film-based caffeine sensing scheme

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dc.authoridSahin, Bunyamin/0000-0001-7059-0315
dc.contributor.authorSahin, Bunyamin
dc.contributor.authorKaya, Tolga
dc.date.accessioned2024-09-18T20:06:22Z
dc.date.available2024-09-18T20:06:22Z
dc.date.issued2021
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractIn this study, we demonstrated the feasibility of nanostructured CuO thin film usage for caffeine sensing. Our morphological studies revealed that ellipse- or spiral-shaped nanostructured were formed with good crystal qualities. It was shown that the film thickness was decreased from 803 nm to 717 nm with an-nealing. Better crystalline quality of annealed films resulted in higher sensing response. Moreover, caffeine sensing response time was decreased to 19 s from 28 s for annealed films compared to as-grown CuO films. Both films exhibited excellent linearity with higher than 0.93 R-2 values for the caffeine values from 0.5 mM to 10 mM, which is the range for most caffeinated hot and cold beverages. Caffeine is considered the only legal stimulant and its excessive use is not healthy. Knowing the caffeine content of beverages using portable, cheap sensor devices will be beneficial for the health-conscious society. We believe our sensing scheme in using nanostructured semiconductor thin films will pave the way to ultimately create advanced materials-based portable sensor devices. (C) 2021 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.sna.2021.113138
dc.identifier.issn0924-4247
dc.identifier.issn1873-3069
dc.identifier.scopus2-s2.0-85116132604en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.sna.2021.113138
dc.identifier.urihttps://hdl.handle.net/20.500.12483/8482
dc.identifier.volume332en_US
dc.identifier.wosWOS:000707534500009en_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 A-Physicalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCaffeineen_US
dc.subjectSensingen_US
dc.subjectCuO filmen_US
dc.subjectAnnealingen_US
dc.titleA first-principle study of nanostructured CuO thin film-based caffeine sensing schemeen_US
dc.typeArticleen_US

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