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New Protic Ionic Liquids as Potential Additives to Lubricate Si-Based MEMS/NEMS

2023-03-16Artigo científico Acesso aberto
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dc.contributor.authorDonato, Mariana T.
dc.contributor.authorDeuermeier, Jonas
dc.contributor.authorColaço, Rogério
dc.contributor.authorBranco, Luís C.
dc.contributor.authorSaramago, Benilde
dc.contributor.institutionDQ - Departamento de Química
dc.contributor.institutionLAQV@REQUIMTE
dc.contributor.institutionCENIMAT-i3N - Centro de Investigação de Materiais (Lab. Associado I3N)
dc.contributor.institutionUNINOVA-Instituto de Desenvolvimento de Novas Tecnologias
dc.contributor.institutionDCM - Departamento de Ciência dos Materiais
dc.contributor.pblMDPI - Multidisciplinary Digital Publishing Institute
dc.date.accessioned2023-06-29T22:16:49Z
dc.date.available2023-06-29T22:16:49Z
dc.date.issued2023-03-16
dc.descriptionFunding Information: The work was financed by the Portuguese Foundation for Science and Technology (FCT) through the projects UIDB/00100/2020, UIDP/00100/2020 and IMS-LA/P/0056/2020 and through the PhD grant SFRH/BD/140079/2018 from Mariana Donato. Additionally, this work was financed by national funds from FCT in the scope of the projects UIDB/50022/2020 (IDMEC/LAETA) and LA/P/0037/2020, UIDP/50025/2020 and UIDB/50025/2020 of the Associate Laboratory Institute of Nanostructures, Nanomodelling and Nanofabrication—i3N. Publisher Copyright: © 2023 by the authors.
dc.description.abstractThe motivation for this work was to develop new protic ionic liquids (PILs) as additives for the lubrication of micro and nanoelectromechanical systems (MEMS and NEMS). Ten PILs based on the combination of methylimidazolium ([MIMH]), 4-picolinium ([4-picH]), pyridinium ([PyrH]), 1,8-diazabicyclo[5.4.0]-undec-7-ene-8-ium ([DBUH]) and tetramethylguanidinium ([TMGH]) cations with hydrogen sulfate([HSO4]) and mesylate ([MeSO3]) anions were tested as additives in polyethylene glycol (PEG200) to lubricate steel/silicon and silicon/silicon contacts. The best additive was [4-picH][HSO4], which adsorbed strongly on the Si surface, leading to a protective film that reduced wear by up to 15 times compared to PEG200.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent16
dc.format.extent3404765
dc.identifier.doi10.3390/molecules28062678
dc.identifier.issn1420-3049
dc.identifier.otherPURE: 64819888
dc.identifier.otherPURE UUID: 869b683a-106a-43fe-a755-6e532d806186
dc.identifier.otherScopus: 85151107883
dc.identifier.otherWOS: 000959110400001
dc.identifier.otherPubMed: 36985652
dc.identifier.otherPubMedCentral: PMC10057895
dc.identifier.urihttp://hdl.handle.net/10362/154616
dc.identifier.urlhttps://www.scopus.com/pages/publications/85151107883
dc.language.isoeng
dc.peerreviewedyes
dc.subjectfriction
dc.subjectlubricant additives
dc.subjectMEMS/NEMS
dc.subjectprotic ionic liquids
dc.subjectsilicon
dc.subjectwear
dc.subjectAnalytical Chemistry
dc.subjectChemistry (miscellaneous)
dc.subjectMolecular Medicine
dc.subjectPharmaceutical Science
dc.subjectDrug Discovery
dc.subjectPhysical and Theoretical Chemistry
dc.subjectOrganic Chemistry
dc.titleNew Protic Ionic Liquids as Potential Additives to Lubricate Si-Based MEMS/NEMSen
dc.typejournal article
degois.publication.issue6
degois.publication.titleMolecules
degois.publication.volume28
dspace.entity.typePublication
rcaap.rightsopenAccess

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