Hybrid materials based on pyrene-substituted metallo phthalocyanines as sensing layers for ammonia detection: effect of the number of pyrene substituents

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dc.authoridSinem Tuncel Kostakoğlu / 0000-0001-8717-0499en_US
dc.authorscopusidSinem Tuncel Kostakoğlu / 57194679277en_US
dc.authorwosidSinem Tuncel Kostakoğlu / HLO-1748-2023en_US
dc.contributor.authorIvanova, Victoria
dc.contributor.authorKlyamer, Darya
dc.contributor.authorKrasnov, Pavel
dc.contributor.authorKaya, Esra Nur
dc.contributor.authorKulu, İrem
dc.contributor.authorTuncel Kostakoğlu, Sinem
dc.contributor.authorDurmuş, Mahmut
dc.contributor.authorBasova, Tamara
dc.date.accessioned2022-11-08T13:19:34Z
dc.date.available2022-11-08T13:19:34Z
dc.date.issued2023en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Bölümüen_US
dc.description.abstractIn this work, the effect of the number of pyrene substituents in zinc(II) phthalocyanine molecules on the sensor properties of their hybrid materials with single-walled carbon nanotubes (SWCNT) is studied. For this purpose, hybrid materials of SWCNTs modified with five different trioxyethylenethio substituted zinc(II) phthalocyanines containing 0, 1, 2, and 4 methoxypyrene substituents in the phthalocyanine ring were prepared and characterized by Raman spectroscopy, scanning electron microscopy and inductively coupled plasma atomic emission spectrometry. The chemiresistive sensor response of the prepared hybrids toward low concentrations of ammonia (1–100 ppm) was studied to reveal the effect of the number of pyrene substituents in the phthalocyanine ring on the sensor performance of the hybrid materials. It was demonstrated that the hybrids with zinc(II) phthalocyanine bearing four methoxypyrene substituents exhibited the maximal sensor response to ammonia with the limit of detection of 0.4 ppm. The sensitivity of the hybrid materials to ammonia was shown to be much higher than to CO2, H2, H2S, CH4, ethanol, acetone, and dichloromethane vapors, however, an oxidizing gas such as NO2 was an interfering compound in the determination of ammonia. 1 ppm NO2 show the same absolute value of the response than 10 ppm NH3. The quantum-chemical calculations were performed to explain this effect as well as the dependence of the binding energy of substituted zinc(II) phthalocyanines with carbon nanotubes on the number of pyrene substituents.en_US
dc.identifier.citationIvanova, V., Klyamer, D., Krasnov, P., Kaya, E. N., Kulu, I., Tuncel Kostakoğlu, S., . . . Basova, T. (2023). Hybrid materials based on pyrene-substituted metallo phthalocyanines as sensing layers for ammonia detection: Effect of the number of pyrene substituents. Sensors and Actuators B: Chemical, 375 doi:10.1016/j.snb.2022.132843en_US
dc.identifier.doi10.1016/j.snb.2022.132843en_US
dc.identifier.scopus2-s2.0-85140321763en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://doi.org/10.1016/j.snb.2022.132843
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3265
dc.identifier.volume375en_US
dc.identifier.wosWOS:000905016600002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTuncel Kostakoğlu, Sinem
dc.language.isoenen_US
dc.publisherElsevier B.V.en_US
dc.relation.ispartofSensors and Actuators B: Chemicalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAmmoniaen_US
dc.subjectCarbon Nanotubesen_US
dc.subjectGas Sensorsen_US
dc.subjectHybrid Materialsen_US
dc.subjectPhthalocyaninesen_US
dc.titleHybrid materials based on pyrene-substituted metallo phthalocyanines as sensing layers for ammonia detection: effect of the number of pyrene substituentsen_US
dc.typeArticleen_US

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