Aerosol-printed MoS2 ink as a high sensitivity humidity sensor.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorPereira, Neuma das Mercês-
Autor(es): dc.creatorRezende, Natália Pereira-
Autor(es): dc.creatorCunha, Thiago Henrique Rodrigues da-
Autor(es): dc.creatorBarboza, Ana Paula Moreira-
Autor(es): dc.creatorSilva, Glaura Goulart-
Autor(es): dc.creatorLippross, Daniel-
Autor(es): dc.creatorNeves, Bernardo Ruegger Almeida-
Autor(es): dc.creatorChacham, Helio-
Autor(es): dc.creatorFerlauto, Andre Santarosa-
Autor(es): dc.creatorLacerda, Rodrigo Gribel-
Data de aceite: dc.date.accessioned2025-08-21T15:35:06Z-
Data de disponibilização: dc.date.available2025-08-21T15:35:06Z-
Data de envio: dc.date.issued2023-01-17-
Data de envio: dc.date.issued2023-01-17-
Data de envio: dc.date.issued2021-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/jspui/handle/123456789/15990-
Fonte completa do material: dc.identifierhttps://doi.org/10.1021/acsomega.1c06525-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1018981-
Descrição: dc.descriptionMolybdenum disulfide (MoS2) is attractive for use in nextgeneration nanoelectronic devices and exhibits great potential for humidity sensing applications. Herein, MoS2 ink was successfully prepared via a simple exfoliation method by sonication. The structural and surface morphology of a deposited ink film was analyzed by scanning electron microscopy (SEM), Raman spectroscopy, and atomic force microscopy (AFM). The aerosol-printed MoS2 ink sensor has high sensitivity, with a conductivity increase by 6 orders of magnitude upon relative humidity increase from 10 to 95% at room temperature. The sensor also has fast response/recovery times and excellent repeatability. Possible mechanisms for the water-induced conductivity increase are discussed. An analytical model that encompasses two ionic conduction regimes, with a percolation transition to an insulating state below a low humidity threshold, describes the sensor response successfully. In conclusion, our work provides a low-cost and straightforward strategy for fabricating a highperformance humidity sensor and fundamental insights into the sensing mechanism.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsaberto-
Direitos: dc.rightsThis is an open-access article distributed under the terms of the Creative Commons Attribution License. Fonte: o PDF do artigo.-
Título: dc.titleAerosol-printed MoS2 ink as a high sensitivity humidity sensor.-
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