Synthesis of lignin-based carbon/graphene oxide foam and its application as sensors for ammonia gas detection

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Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorTechnological College of Sorocaba (FATEC)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorRodrigues, Jéssica S.-
Autor(es): dc.creatorde S. M. de Freitas, Amanda-
Autor(es): dc.creatorde Lima, Lucas F.-
Autor(es): dc.creatorLopes, Henrique S.M.-
Autor(es): dc.creatorMaciel, Cristiane C.-
Autor(es): dc.creatorFré, Lucas V.B.V.-
Autor(es): dc.creatorPires, Ariane A.F.-
Autor(es): dc.creatorde Lima, Vitor H.-
Autor(es): dc.creatorOliveira, Vinicius J.R.-
Autor(es): dc.creatorde A. Olivati, Clarissa-
Autor(es): dc.creatorFerreira, Marystela-
Autor(es): dc.creatorRiul, Antonio-
Autor(es): dc.creatorBotaro, Vagner R.-
Data de aceite: dc.date.accessioned2025-08-21T18:59:17Z-
Data de disponibilização: dc.date.available2025-08-21T18:59:17Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.ijbiomac.2024.131883-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/303988-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/303988-
Descrição: dc.descriptionThe present study highlights the integration of lignin with graphene oxide (GO) and its reduced form (rGO) as a significant advancement within the bio-based products industry. Lignin-phenol-formaldehyde (LPF) resin is used as a carbon source in polyurethane foams, with the addition of 1 %, 2 %, and 4 % of GO and rGO to produce carbon structures thus producing carbon foams (CFs). Two conversion routes are assessed: (i) direct addition with rGO solution, and (ii) GO reduction by heat treatment. Carbon foams are characterized by thermal, structural, and morphological analysis, alongside an assessment of their electrochemical behavior. The thermal decomposition of samples with GO is like those having rGO, indicating the effective removal of oxygen groups in GO by carbonization. The addition of GO and rGO significantly improved the electrochemical properties of CF, with the GO2% sensors displaying 39 % and 62 % larger electroactive area than control and rGO2% sensors, respectively. Furthermore, there is a significant electron transfer improvement in GO sensors, demonstrating a promising potential for ammonia detection. Detailed structural and performance analysis highlights the significant enhancement in electrochemical properties, paving the way for the development of advanced sensors for gas detection, particularly ammonia, with the prospective market demands for durable, simple, cost-effective, and efficient devices.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionScience and Technology Center for Sustainability (CCTS) Federal University of São Carlos (UFSCar), João Leme dos Santos, km 110-
Descrição: dc.descriptionInstitute of Science and Technology (ICT) Federal University of São Paulo (UNIFESP), SP-
Descrição: dc.descriptionPortable Chemical Sensors Lab Department of Analytical Chemistry Institute of Chemistry State University of Campinas (UNICAMP), P.O. Box 6154, SP-
Descrição: dc.descriptionPolymer Materials Characterization Laboratory (LCaMP) Technological College of Sorocaba (FATEC), Eng. Carlos Reinaldo Mendes, 2015, SP-
Descrição: dc.descriptionScience and Technology Institute of Sorocaba (ICTS) São Paulo State University (UNESP), Av. Três de Março, 511-
Descrição: dc.descriptionDepartment of Physics Paulista State University (UNESP), SP-
Descrição: dc.descriptionUniversidade Estadual de Campinas Instituto de Física Gleb Wataghin-
Descrição: dc.descriptionScience and Technology Institute of Sorocaba (ICTS) São Paulo State University (UNESP), Av. Três de Março, 511-
Descrição: dc.descriptionDepartment of Physics Paulista State University (UNESP), SP-
Descrição: dc.descriptionCNPq: 142088/2019-6-
Descrição: dc.descriptionCAPES: 88881.622738/2021-01-
Descrição: dc.descriptionCAPES: 88882.427090/2019-01-
Descrição: dc.descriptionCAPES: 88882.430936/2019-01-
Descrição: dc.descriptionCAPES: 88887.497915/2020-00-
Idioma: dc.languageen-
Relação: dc.relationInternational Journal of Biological Macromolecules-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCarbon foams-
Palavras-chave: dc.subjectCarbon materials-
Palavras-chave: dc.subjectGraphene oxide-
Palavras-chave: dc.subjectLignin fraction-
Palavras-chave: dc.subjectSensors-
Título: dc.titleSynthesis of lignin-based carbon/graphene oxide foam and its application as sensors for ammonia gas detection-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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