Polaron-assisted electronic transport in ZnP2 nanowires

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Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidad Nacional de San Agustín de Arequipa-
Autor(es): dc.creatorde Oliveira, F. M.-
Autor(es): dc.creatorCabral, L.-
Autor(es): dc.creatorVillegas-Lelovsky, L.-
Autor(es): dc.creatorLima, Matheus P.-
Autor(es): dc.creatorAragón, F. F.H.-
Autor(es): dc.creatorMarques, G. E.-
Autor(es): dc.creatorChiquito, A. J.-
Autor(es): dc.creatorTeodoro, M. D.-
Data de aceite: dc.date.accessioned2025-08-21T17:12:38Z-
Data de disponibilização: dc.date.available2025-08-21T17:12:38Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-02-13-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1039/d2tc05478g-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/248582-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/248582-
Descrição: dc.descriptionIn this work, carrier transport in a gold-seeded zinc diphosphide nanowire fabricated by vapor-liquid-solid and photolithography techniques is investigated in detail. The presence of zinc vacancies and interstitial phosphorus along the nanostructure resulted in defect levels evidenced by photoluminescence transitions observed in the near-infrared spectral range (800-900 nm). The electronic transport measurements by thermally stimulated current identified an activation energy of 80 meV, as well as a defect state with photoluminescence emission at 1.40 eV. The electronic transport in the transient regime was verified for temperatures below 50 K up to room temperature, and the photocurrent relaxation was described by a phenomenological model. We observed a well defined square-wave photoresponse of hundreds of nanoamperes per second during 532 nm light excitation, justifying the potential use of the device as a light sensor. Also, for the first time, ab initio calculations were performed considering defects of a Zn monovacancy close to an interstitial P atom to describe the luminescence transitions. The systematic use of a hybrid functional for these defects allows us to determine the presence of polarons due to the distortion of atomic bonds. Through the electronic property simulations, we corroborated the nature of p-type transport in zinc diphosphide nanowires.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de Goiás-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado do Piauí-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionPhysics Department Federal University of São Carlos, SP-
Descrição: dc.descriptionInstitute of Physics “Gleb Wataghin” (IFGW) State University of Campinas, SP-
Descrição: dc.descriptionPhysics Department IGCE Paulista State University, SP-
Descrição: dc.descriptionUniversidad Nacional de San Agustín de Arequipa, Av. Independéncia s/n-
Descrição: dc.descriptionPhysics Department IGCE Paulista State University, SP-
Formato: dc.format4243-4253-
Idioma: dc.languageen-
Relação: dc.relationJournal of Materials Chemistry C-
???dc.source???: dc.sourceScopus-
Título: dc.titlePolaron-assisted electronic transport in ZnP2 nanowires-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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