Nickel Tetrasulfonated Phthalocyanine Decorated with AuNP as a Double Sensorial Platform: SERS and Electrochemical

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorMartin, Cibely Silva-
Autor(es): dc.creatorKavazoi, Henry Seitiro-
Autor(es): dc.creatorMiyazaki, Celina Massumi-
Autor(es): dc.creatorAlessio, Priscila-
Autor(es): dc.creatorConstantino, Carlos José Leopoldo-
Data de aceite: dc.date.accessioned2025-08-21T17:09:08Z-
Data de disponibilização: dc.date.available2025-08-21T17:09:08Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-07-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/chemosensors11070372-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/301493-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/301493-
Descrição: dc.descriptionThe development of materials for multiple applications is a challenge in the fields of technology and materials science. In this work, screen-printed carbon electrodes (SPCEs) were modified with an electropolymerized nickel tetrasulfonated phthalocyanine film (polymeric-NiTsPc = p-NiTsPc) decorated with gold nanoparticles (AuNP). The modified SPCEs were applied as a sensing platform for analysis via electrochemical and surface-enhanced Raman scattering (SERS) spectroscopy. The SPCEs modification was based on the potential cycling firstly in a NiTsPc solution and then in an AuHCl4 solution, with the fast formation of spherical AuNP through the p-NiTsPc film surface. The modified electrode based on SPCE/p-NiTsPc/AuNP showed a synergetic effect in voltammetric measurements in [Fe(CN)6]3−/[Fe(CN)6]4− probe as well as an electrocatalytic effect in the presence of dopamine. The calibration curve towards dopamine detection presented a linear range from 1 to 10 μmol/L with a limit of detection of 0.73 μmol/L. The spectroelectrochemistry measurements combining SERS and the applied potential of −60 mV showed that the SPCE/p-NiTsPc/AuNP and SPCE/AuNP can be powerfully used as a dual sensing platform for dopamine detection. In the case of SPCE/p-NiTsPc/AuNP, p-NiTsPc plays an important role in facilitating electron transfer during the electrochemical reaction, while AuNP is crucial for obtaining SERS signals for dopamine detection.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionPhysics Department School of Technology and Sciences São Paulo State University (UNESP), SP-
Descrição: dc.descriptionPhysics Department School of Technology and Sciences São Paulo State University (UNESP), SP-
Descrição: dc.descriptionFAPESP: 2014/50869–6-
Descrição: dc.descriptionFAPESP: 2017/15019-0-
Descrição: dc.descriptionFAPESP: 2018/22214-6-
Descrição: dc.descriptionFAPESP: 2020/11803-0-
Descrição: dc.descriptionCAPES: 23038.000776/201754-
Descrição: dc.descriptionCNPq: 316535/2021–4-
Descrição: dc.descriptionCNPq: 422163/2018–0-
Descrição: dc.descriptionFAPESP: 465572/2014–6-
Idioma: dc.languageen-
Relação: dc.relationChemosensors-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectdopamine-
Palavras-chave: dc.subjectelectrodeposition-
Palavras-chave: dc.subjectgold nanoparticles-
Palavras-chave: dc.subjectNiTsPc-
Palavras-chave: dc.subjectSERS-
Palavras-chave: dc.subjectspectroelectrochemical-
Título: dc.titleNickel Tetrasulfonated Phthalocyanine Decorated with AuNP as a Double Sensorial Platform: SERS and Electrochemical-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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