Layer-by-Layer Film Based on Sn3O4 Nanobelts as Sensing Units to Detect Heavy Metals Using a Capacitive Field-Effect Sensor Platform

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorFederal University of Triângulo Mineiro (UFTM)-
Autor(es): dc.contributorFH Aachen-
Autor(es): dc.contributorForschungszentrum Jülich-
Autor(es): dc.creatorMorais, Paulo V.-
Autor(es): dc.creatorSuman, Pedro H.-
Autor(es): dc.creatorSchöning, Michael J.-
Autor(es): dc.creatorSiqueira, José R.-
Autor(es): dc.creatorOrlandi, Marcelo O.-
Data de aceite: dc.date.accessioned2025-08-21T16:14:33Z-
Data de disponibilização: dc.date.available2025-08-21T16:14:33Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-08-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/chemosensors11080436-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/300657-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/300657-
Descrição: dc.descriptionLead and nickel, as heavy metals, are still used in industrial processes, and are classified as “environmental health hazards” due to their toxicity and polluting potential. The detection of heavy metals can prevent environmental pollution at toxic levels that are critical to human health. In this sense, the electrolyte–insulator–semiconductor (EIS) field-effect sensor is an attractive sensing platform concerning the fabrication of reusable and robust sensors to detect such substances. This study is aimed to fabricate a sensing unit on an EIS device based on Sn3O4 nanobelts embedded in a polyelectrolyte matrix of polyvinylpyrrolidone (PVP) and polyacrylic acid (PAA) using the layer-by-layer (LbL) technique. The EIS-Sn3O4 sensor exhibited enhanced electrochemical performance for detecting Pb2+ and Ni2+ ions, revealing a higher affinity for Pb2+ ions, with sensitivities of ca. 25.8 mV/decade and 2.4 mV/decade, respectively. Such results indicate that Sn3O4 nanobelts can contemplate a feasible proof-of-concept capacitive field-effect sensor for heavy metal detection, envisaging other future studies focusing on environmental monitoring.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG)-
Descrição: dc.descriptionDepartment of Engineering Physics and Mathematics Institute of Chemistry São Paulo State University (UNESP), SP-
Descrição: dc.descriptionLaboratory of Applied Nanomaterials and Nanostructures (LANNA) Institute of Exact Sciences Natural and Education Federal University of Triângulo Mineiro (UFTM), MG-
Descrição: dc.descriptionInstitute of Nano- and Biotechnologies (INB) FH Aachen, Campus Jülich-
Descrição: dc.descriptionInstitute of Biological Information Processing (IBI-3) Forschungszentrum Jülich-
Descrição: dc.descriptionDepartment of Engineering Physics and Mathematics Institute of Chemistry São Paulo State University (UNESP), SP-
Descrição: dc.descriptionCNPq: 152155/2022-8-
Descrição: dc.descriptionFAPESP: 2016/20808-0-
Descrição: dc.descriptionFAPESP: 2017/26219-0-
Descrição: dc.descriptionCNPq: 426490/2018-5-
Descrição: dc.descriptionCNPq: 437785/2018-1-
Descrição: dc.descriptionCAPES: 88882.330127/2019-01-
Descrição: dc.descriptionFAPEMIG: APQ-01464-18-
Idioma: dc.languageen-
Relação: dc.relationChemosensors-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectfield-effect sensor-
Palavras-chave: dc.subjectheavy metals-
Palavras-chave: dc.subjectLbL films-
Palavras-chave: dc.subjectnanobelts-
Palavras-chave: dc.subjectSn3O4-
Título: dc.titleLayer-by-Layer Film Based on Sn3O4 Nanobelts as Sensing Units to Detect Heavy Metals Using a Capacitive Field-Effect Sensor Platform-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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