The role of Nb2O5deposition process on perovskite solar cells

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCentro de Inovações CSEM Brasil-
Autor(es): dc.creatorFernandes, Silvia L.-
Autor(es): dc.creatorGarcia, Larissa De O.-
Autor(es): dc.creatorJúnior, Roberto De A. Ramos-
Autor(es): dc.creatorAffonço, Lucas J.-
Autor(es): dc.creatorBagnis, Diego-
Autor(es): dc.creatorVilaça, Rodrigo-
Autor(es): dc.creatorPontes, Fenelon M.-
Autor(es): dc.creatorDa Silva, José H. D.-
Autor(es): dc.creatorGraeff, Carlos F. O.-
Data de aceite: dc.date.accessioned2025-08-21T19:46:59Z-
Data de disponibilização: dc.date.available2025-08-21T19:46:59Z-
Data de envio: dc.date.issued2023-03-02-
Data de envio: dc.date.issued2023-03-02-
Data de envio: dc.date.issued2022-07-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1063/5.0083073-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/242087-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/242087-
Descrição: dc.descriptionTwo different methods are used to deposit Nb2O5 as compact electron transport layers in n-i-p double cation mixed-halide perovskite Cs0.17FA0.83Pb(I0.83Br0.17)3 solar cells: reactive sputtering and spin coating. These different Nb2O5 films influenced perovskite growth and the charge transport in the cells. Photovoltaic parameters were obtained with an average power conversion efficiency of 17.0% and 15.7% for the devices based on sputtered and spin-coated Nb2O5, respectively. The mobility and the extracted charges were higher in sputtered Nb2O5-based devices than in the spin-coated ones. This effect is attributed to the larger grain sizes observed in the perovskite films when deposited onto the sputtered Nb2O5 layers. The higher densities of grain boundaries in the spin-coated Nb2O5-based devices increase ion diffusion and are expected to decrease efficiency.-
Descrição: dc.descriptionSchool of Sciences Department of Physics São Paulo State University (UNESP), SP-
Descrição: dc.descriptionCentro de Inovações CSEM Brasil, MG-
Descrição: dc.descriptionSchool of Sciences POSMAT-Post-Graduate Program in Materials Science and Technology São Paulo State University (UNESP), SP-
Descrição: dc.descriptionSchool of Sciences Department of Chemics São Paulo State University (UNESP), SP-
Descrição: dc.descriptionSchool of Sciences Department of Physics São Paulo State University (UNESP), SP-
Descrição: dc.descriptionSchool of Sciences POSMAT-Post-Graduate Program in Materials Science and Technology São Paulo State University (UNESP), SP-
Descrição: dc.descriptionSchool of Sciences Department of Chemics São Paulo State University (UNESP), SP-
Idioma: dc.languageen-
Relação: dc.relationJournal of Renewable and Sustainable Energy-
???dc.source???: dc.sourceScopus-
Título: dc.titleThe role of Nb2O5deposition process on perovskite solar cells-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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