Electrochemical polymer synthesis using thiophene and pyrrole/carbazole: Their electrochemical behaviours and capacitor performance

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dc.contributor.authorKocaeren, Aysel Aydin
dc.contributor.authorBahceci, Dilek Senol
dc.contributor.authorKizilkaya, Bayram
dc.contributor.authorDogan, Fatih
dc.date.accessioned2025-01-27T20:22:36Z
dc.date.available2025-01-27T20:22:36Z
dc.date.issued2024
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, carbazole-derived monomers were synthesized on ITO-coated PET via electrochemical reactions and conductivity measurements of the resulting polymeric films were performed by UV, FT-IR, NMR, TG-DTG, SEM and AFM analyses. Their spectroelectrochemical properties were investigated. The carbazole (C) based thiophene (Th) polymer abbreviated as pThC and its copolymer with pyrrole (Py), named as pThC-Py were obtained by electrochemical polymerization method. The surface stability of the resulting polymer films was good depending on time. The contact angle (CA) between the water and theco- polymer surface was determined by dropping 6.09 mu L of pure water and CA average was calculated as 68.19 degrees < 90 degrees. According to the thermal analysis data of the polymers, the thermal stability of the pThC-Py was better than pThC as it had higher thermal decomposition temperature. Comparisons of electrical conductivity measurements of the polymer films were made depending on the temperature (25, 50 and 90 degrees C). Due to increasing temperature, the electrical conductivity of pThC-Py film was read as 29.3 S/cm at 90 degrees C, and also the electrical conductivity values of the pThC-Py were determined as 1.92 x 10(-2) S/cm at 25 degrees C and 14.2 S/cm at 50 degrees C. Because of the high electrical conductivity of the pThC-Py, its capacitor performance was tried to be determined from cyclic voltammetric measurements. According to the voltammetric results, the power density (P) and the energy density (E) values of the synthesized substance were calculated as 290.532 W/g and 9.684 Wh/g, respectively. This indicates that the amount of energy the material storable is relatively high. Moreover, it is possible to say that it can be included in the classical capacitor class and in the supercapacitor category by improving its features. Moreover, since the electrical conductivity of pThC-Py is quite good, it is thought that it may be suitable for use in electronic devices.
dc.description.sponsorshipanakkale Onekiz Mart University Scientific Research Projects Coordination Unit [FBA-2023- 4449]
dc.description.sponsorshipThis study was supported by the Canakkale Onekiz Mart University Scientific Research Projects Coordination Unit (Project No: FBA-2023- 4449) .
dc.identifier.doi10.1016/j.jelechem.2024.118486
dc.identifier.issn1572-6657
dc.identifier.issn1873-2569
dc.identifier.scopus2-s2.0-85197516259
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.jelechem.2024.118486
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21964
dc.identifier.volume967
dc.identifier.wosWOS:001267706500001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Sa
dc.relation.ispartofJournal of Electroanalytical Chemistry
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectCarbazole
dc.subjectThiophene
dc.subjectConductive polymers
dc.subjectConductivity
dc.subjectHydrophobicity effect
dc.titleElectrochemical polymer synthesis using thiophene and pyrrole/carbazole: Their electrochemical behaviours and capacitor performance
dc.typeArticle

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