Improving the lubrication of silicon surfaces using ionic liquids as oil additives: the effect of sulfur-based functional groups

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorAntunes, Mónica-
Autor(es): dc.creatorDonato, Mariana T.-
Autor(es): dc.creatorPaz, Victória-
Autor(es): dc.creatorCaetano, Fernando J. P.-
Autor(es): dc.creatorSantos, Luís-
Autor(es): dc.creatorColaco, Rogério-
Autor(es): dc.creatorBranco, Luís C.-
Autor(es): dc.creatorSaramago, Benilde-
Data de aceite: dc.date.accessioned2022-02-15T14:11:25Z-
Data de disponibilização: dc.date.available2022-02-15T14:11:25Z-
Data de envio: dc.date.issued2022-01-19-
Data de envio: dc.date.issued2022-01-19-
Data de envio: dc.date.issued2020-05-14-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/10400.2/11658-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/10400.2/11658-
Descrição: dc.descriptionThe performance of micro/nanoelectromechanical systems (MEMS/NEMS) relies on efficient lubrication. In the present work, new sulfur-based organic salts were tested as additives in a polyethylene glycol to lubricate silicon surfaces used in the manufacture of MEMS/NEMS. Seven salts were tested: 1-butylsulfonic-3-methylimidazolium triflate [(C4SO3H)MIM][TfO], thiamine triflate [Thiamine][TfO]2, 1-ethyl-3-methylimidazolium camphorsulfonate [C2MIM][CSA] [isomers (R) and (S)], 1,3-dimethylpiridinium methylsulfate [C1-3pic][MeSO4], methylimidazolium methanesulfonate [HMIM][MeSO3], and tetramethylguanidine methanesulfonate [TMG][MeSO3]. A nanotribometer was used to determine the friction coefficients using steel spheres as counter bodies. Excellent tribological properties were achieved with the additives containing the anions [MeSO4]− and [MeSO3]−. The films formed on the Si substrates were studied by FTIR, ellipsometry and AFM. A mixed lubrication mechanism was proposed where additive adsorption avoids contact between sliding surfaces.-
Descrição: dc.descriptionAcknowledgements This research was funded by the projects UID/QUI/00100/2019, UID/QUI/50006/2019, UIDB/00100/2020, UID/NAN/50024/2013, PEst-C/LA0006/2013, and UID/EMS/50022/2019 (LAETA). L. C. Branco and M. C. Donato thank to fnancial support of FCT/MCTES through grants IF/0041/2013/CP1161/CT00 and SFRH/BD/140079/2018, respectively.-
Descrição: dc.descriptioninfo:eu-repo/semantics/publishedVersion-
Idioma: dc.languageen-
Publicador: dc.publisherSpringer Nature-
Relação: dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147360/PT-
Relação: dc.relationUID/QUI/00100/2019-
Relação: dc.relationUID/QUI/50006/2019-
Relação: dc.relationUIDB/00100/2020-
Relação: dc.relationPEst-C/LA0006/2013-
Relação: dc.relationUID/EMS/50022/2019-
Relação: dc.relationIF/0041/2013/CP1161/CT00-
Relação: dc.relationSFRH/BD/140079/2018-
Relação: dc.relationhttps://rdcu.be/cE3Lh-
Direitos: dc.rightsrestrictedAccess-
Palavras-chave: dc.subjectIonic liquids-
Palavras-chave: dc.subjectAdditives-
Palavras-chave: dc.subjectSilicon-
Palavras-chave: dc.subjectFriction coefficient-
Palavras-chave: dc.subjectODS::09:Indústria, Inovação e Infraestruturas-
Título: dc.titleImproving the lubrication of silicon surfaces using ionic liquids as oil additives: the effect of sulfur-based functional groups-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Aberto - Universidade Aberta (Portugal)

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