Flexible biodegradable electrochemical sensor of PBAT and CNDs composite for the detection of emerging pollutants

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.creatorMaciel, Cristiane C.-
Autor(es): dc.creatorde Barros, Anerise-
Autor(es): dc.creatorMazali, Italo Odone-
Autor(es): dc.creatorFerreira, Marystela-
Data de aceite: dc.date.accessioned2025-08-21T22:38:01Z-
Data de disponibilização: dc.date.available2025-08-21T22:38:01Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jelechem.2023.117491-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/247235-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/247235-
Descrição: dc.descriptionHerein we proposed the fabrication and optimization of a flexible electrochemical sensor composed of polymer poly(butylene adipate-co-terephthalate) (PBAT) and Carbon Nitrite Dots (CNDs). The materials stand out for being low-cost, flexible, biodegradable, and easily discarded after use. Characterization was performed by Cyclic Voltammetry (CV), Electrochemical Impedance Spectroscopy (EIS), contact angle, Raman spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), and Transmission Electron Microscopy (TEM). The sensor was used to simultaneously detect emerging pollutants such as cadmium and copper by Square Wave Anodic Stripping Voltammetry (SWV) technique. As result, a linear behavior in the concentration range of 0.1 to 1.0 mM for cadmium and copper showed excellent electrochemical activity with sensitivity of (3.79 ± 0.21) × 10−5 (mA cm−2) (M)−1 for cadmium and (2.06 ± 0.14) × 10−5 (mA cm−2) (M)−1 for copper. The LD and LQ values obtained for cadmium were 2.75 × 10−6 M and 9.16 × 10−6 M, and for copper were 7.09 × 10−6 M and 2.36 × 10−5 M, respectively. Therefore, the sensors obtained in this work have the advantage of simultaneously detecting emerging pollutants such as cadmium and copper, including real tap water samples.-
Descrição: dc.descriptionPostgraduate Program in Materials Science and Technology São Paulo State University Júlio de Mesquita Filho (UNESP), SP-
Descrição: dc.descriptionDepartment of Inorganic Chemistry – Institute of Chemistry State University of Campinas (UNICAMP), SP-
Descrição: dc.descriptionCenter of Science and Technology for Sustainability Federal University of São Carlos (UFSCar), SP-
Descrição: dc.descriptionPostgraduate Program in Materials Science and Technology São Paulo State University Júlio de Mesquita Filho (UNESP), SP-
Idioma: dc.languageen-
Relação: dc.relationJournal of Electroanalytical Chemistry-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCarbon nitrite dots-
Palavras-chave: dc.subjectElectrochemical sensor-
Palavras-chave: dc.subjectEmerging pollutants-
Palavras-chave: dc.subjectPBAT-
Título: dc.titleFlexible biodegradable electrochemical sensor of PBAT and CNDs composite for the detection of emerging pollutants-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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