A label-free Acetone based SnO2 nanowire network sensor at room temperature

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Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorde Araújo, Estácio P.-
Autor(es): dc.creatorAmorim, Cleber A.-
Autor(es): dc.creatorArantes, Adryelle N.-
Autor(es): dc.creatorChiquito, Adenilson J.-
Data de aceite: dc.date.accessioned2025-08-21T20:38:36Z-
Data de disponibilização: dc.date.available2025-08-21T20:38:36Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s00339-022-05540-x-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/241639-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/241639-
Descrição: dc.descriptionAcetone is a toxic gas employed in several pharmaceutical and commercial preparations, circumstances that demand efficient exposure control methods. Quasi-one-dimensional SnO2 (n-type) is a remarkable material for such purpose. In this work, we discuss the characteristics of an Acetone gas sensor built in a metal–semiconductor-metal (MSM) architecture, using a SnO2 nanowire network as an activity layer. The crystallographic information was confirmed using XRD and found out to be monocrystalline and in a rutile structure. SEM images confirmed that the desired nanowire morphology was obtained. The Acetone gas concentration was varied from 50 to 970 PPM and sensor response ranged between 9 and 32% at room temperature. By operating in 0.1 V, with a sensitivity of 49% in 970 PPM, an optimized regime of the gas sensor was achieved. The rise time varied between 8.7 s and 13 s and decay time ranged between 48.1 s and 142.7 s. In addition, we demonstrated fast response time, stability and reproducibility, all essential features for a high-quality sensor.-
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.descriptionNanOLaB Physics Department Federal University of São Carlos, Rodovia Washington Luiz, Km 235, Monjolinho, São Paulo-
Descrição: dc.descriptionSchool of Sciences and Engineering Av. Domingos da Costa Lopes São Paulo State University (Unesp), 780 Jardim Itaipu, SP-
Descrição: dc.descriptionSection of Nuclear Medicine Department of Internal Medicine Ribeirão Preto Medical School University of São Paulo, São Paulo-
Descrição: dc.descriptionSchool of Sciences and Engineering Av. Domingos da Costa Lopes São Paulo State University (Unesp), 780 Jardim Itaipu, SP-
Descrição: dc.descriptionFAPESP: 2013/07296-2-
Descrição: dc.descriptionFAPESP: 2016/14381-4-
Descrição: dc.descriptionFAPESP: 2019/18963-6-
Descrição: dc.descriptionCNPq: 305615/2014-9-
Descrição: dc.descriptionCNPq: 305656/2018-0-
Idioma: dc.languageen-
Relação: dc.relationApplied Physics A: Materials Science and Processing-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAcetone gas sensor-
Palavras-chave: dc.subjectRoom temperature-
Palavras-chave: dc.subjectSnO2 nanowire network-
Título: dc.titleA label-free Acetone based SnO2 nanowire network sensor at room temperature-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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