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Donato M, Colaço R, Branco LC, Saramago B, Canongia Lopes JN, Shimizu K, Freitas AAD. Molecular Interactions between Ionic Liquid Lubricants and Silica Surfaces: An MD Simulation Study. J Phys Chem B 2024; 128:2559-2568. [PMID: 38442259 PMCID: PMC10945478 DOI: 10.1021/acs.jpcb.3c08397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 02/09/2024] [Accepted: 02/19/2024] [Indexed: 03/07/2024]
Abstract
The unique physicochemical properties of ionic liquids (ILs) attracted interest in their application as lubricants of micro/nano-electromechanical systems. This work evaluates the feasibility of using the protic ionic liquids [4-picH][HSO4], [4-picH][CH3SO3], [MIMH][HSO4], and [MIMH][CH3SO3] and the aprotic ILs [C6mim][HSO4] and [C6mim][CH3SO3] as additives to model lubricant poly(ethylene glycol) (PEG200) to lubricate silicon surfaces. Additives based on the cation [4-picH]+ exhibited the best tribological performance, with the optimal value for 2% [4-picH][HSO4] in PEG200 (w/w). Molecular dynamics (MD) simulations of the first stages of adsorption of the ILs at the glass surface were performed to portray the molecular behavior of the ILs added to PEG200 and their interaction with the silica substrate. For the pure ILs at the solid substrates, the MD results indicated that weak specific interactions of the cation with the glass interface are lost to accommodate the larger anion in the first contact layer. For the PEG200 + 2% [4-picH][HSO4] system, the formation of a more compact protective film adsorbed at the glass surface is revealed by a larger trans population of the dihedral angle -O(R)-C-C-O(R)- in PEG200, in comparison to the same distribution for the pure model lubricant. Our findings suggest that the enhanced lubrication performance of PEG200 with [4-picH][HSO4] arises from synergistic interactions between the protic IL and PEG200 at the adsorbed layer.
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Affiliation(s)
- Mariana
T. Donato
- Centro
de Química Estrutural, Institute of Molecular Sciences, Departamento
de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049 001 Lisboa, Portugal
- LAQV-REQUIMTE,
Departamento de Química, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal
| | - Rogério Colaço
- IDMEC-Instituto
de Engenharia Mecânica, Departamento de Engenharia Mecânica,
Instituto Superior Técnico, Universidade
de Lisboa, Av. Rovisco
Pais, 1049-001 Lisboa, Portugal
| | - Luis C. Branco
- LAQV-REQUIMTE,
Departamento de Química, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal
| | - Benilde Saramago
- Centro
de Química Estrutural, Institute of Molecular Sciences, Departamento
de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049 001 Lisboa, Portugal
| | - José N. Canongia Lopes
- Centro
de Química Estrutural, Institute of Molecular Sciences, Departamento
de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049 001 Lisboa, Portugal
| | - Karina Shimizu
- Centro
de Química Estrutural, Institute of Molecular Sciences, Departamento
de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049 001 Lisboa, Portugal
| | - Adilson Alves de Freitas
- Centro
de Química Estrutural, Institute of Molecular Sciences, Departamento
de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049 001 Lisboa, Portugal
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Donato MT, Deuermeier J, Colaço R, Branco LC, Saramago B. New Protic Ionic Liquids as Potential Additives to Lubricate Si-Based MEMS/NEMS. Molecules 2023; 28:molecules28062678. [PMID: 36985652 PMCID: PMC10057895 DOI: 10.3390/molecules28062678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
The 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.
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Affiliation(s)
- Mariana T. Donato
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- LAQV-REQUIMTE, Departamento de Química, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal
| | - Jonas Deuermeier
- CENIMAT|i3N and CEMOP/UNINOVA, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal
| | - Rogério Colaço
- IDMEC-Instituto de Engenharia Mecânica, Departamento de Engenharia Mecânica, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Luis C. Branco
- LAQV-REQUIMTE, Departamento de Química, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal
- Correspondence: (L.C.B.); (B.S.); Tel.: +351-965895307 (L.C.B.); +351-968280833 (B.S.)
| | - Benilde Saramago
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- Correspondence: (L.C.B.); (B.S.); Tel.: +351-965895307 (L.C.B.); +351-968280833 (B.S.)
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Lei M, Sun J, Chen Y, Cai Z, Hu Y. The effect of alkyl chain length of the imidazole ionic liquid surfactants on the improving lubricating properties of the hexagonal lyotropic liquid crystal composed of the [C16imCn]Br/hydrotalcite/H2O. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118918] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Sadanandan AM, Khatri PK, Saxena R, Jain SL. Guanidine based amino acid derived task specific ionic liquids as noncorrosive lubricant additives for tribological performance. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113527] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Donato MT, Caetano F, Colaço R, Branco LC, Saramago B. Picolinium‐Based Hydrophobic Ionic Liquids as Additives to PEG200 to Lubricate Steel‐Silicon Contacts. ChemistrySelect 2020. [DOI: 10.1002/slct.202000613] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mariana T. Donato
- LAQV-REQUIMTE Departamento de Química Faculdade de Ciências e Tecnologia Universidade Nova de Lisboa Campus da Caparica 2829-516 Caparica Portugal
| | - Fernando Caetano
- Departamento de Ciências e Tecnologia Universidade Aberta R. da Escola Politécnica, 147 1269-001 Lisboa Portugal
| | - Rogério Colaço
- IDMEC-Departamento de Engenharia Mecânica Instituto Superior Técnico Universidade de Lisboa Av. Rovisco Pais 1049-001 Lisboa Portugal
| | - Luís C. Branco
- LAQV-REQUIMTE Departamento de Química Faculdade de Ciências e Tecnologia Universidade Nova de Lisboa Campus da Caparica 2829-516 Caparica Portugal
| | - Benilde Saramago
- Centro de Química Estrutural and Departamento de Engenharia Química Instituto Superior Técnico Universidade de Lisboa Av Rovisco Pais 1049-001 Lisboa Portugal
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Antunes M, Campinhas AS, de Sá Freire M, Caetano F, Diogo HP, Colaço R, Branco LC, Saramago B. Deep eutectic solvents (DES) based on sulfur as alternative lubricants for silicon surfaces. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111728] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Gnecco E, Perkin S, Vanossi A, Meyer E. Nanotribology. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2018; 9:2330-2331. [PMID: 30202701 PMCID: PMC6122135 DOI: 10.3762/bjnano.9.217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 08/25/2018] [Indexed: 06/08/2023]
Affiliation(s)
- Enrico Gnecco
- Otto Schott Institute of Materials Research (OSIM), Friedrich Schiller University Jena, Löbdergraben 32, 07743 Jena, Germany
| | - Susan Perkin
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, Oxford OX1 3QZ, United Kingdom
| | - Andrea Vanossi
- CNR-IOM Democritos National Simulation Center, Via Bonomea 265, 34136 Trieste, Italy
- International School for Advanced Studies (SISSA), Via Bonomea 265, 34136 Trieste, Italy
| | - Ernst Meyer
- Department of Physics, University of Basel, Klingelbergstr. 82, CH-4056 Basel, Switzerland
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Vanossi A, Dietzel D, Schirmeisen A, Meyer E, Pawlak R, Glatzel T, Kisiel M, Kawai S, Manini N. Recent highlights in nanoscale and mesoscale friction. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2018; 9:1995-2014. [PMID: 30116691 PMCID: PMC6071713 DOI: 10.3762/bjnano.9.190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 06/27/2018] [Indexed: 05/31/2023]
Abstract
Friction is the oldest branch of non-equilibrium condensed matter physics and, at the same time, the least established at the fundamental level. A full understanding and control of friction is increasingly recognized to involve all relevant size and time scales. We review here some recent advances on the research focusing of nano- and mesoscale tribology phenomena. These advances are currently pursued in a multifaceted approach starting from the fundamental atomic-scale friction and mechanical control of specific single-asperity combinations, e.g., nanoclusters on layered materials, then scaling up to the meso/microscale of extended, occasionally lubricated, interfaces and driven trapped optical systems, and eventually up to the macroscale. Currently, this "hot" research field is leading to new technological advances in the area of engineering and materials science.
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Affiliation(s)
- Andrea Vanossi
- CNR-IOM Democritos National Simulation Center, Via Bonomea 265, 34136 Trieste, Italy
- International School for Advanced Studies (SISSA), Via Bonomea 265, 34136 Trieste, Italy
| | - Dirk Dietzel
- Institute of Applied Physics, University of Giessen, 33492 Giessen, Germany
| | - Andre Schirmeisen
- Institute of Applied Physics, University of Giessen, 33492 Giessen, Germany
| | - Ernst Meyer
- Department of Physics, University of Basel, Klingelbergstr. 82, CH-4056 Basel, Switzerland
| | - Rémy Pawlak
- Department of Physics, University of Basel, Klingelbergstr. 82, CH-4056 Basel, Switzerland
| | - Thilo Glatzel
- Department of Physics, University of Basel, Klingelbergstr. 82, CH-4056 Basel, Switzerland
| | - Marcin Kisiel
- Department of Physics, University of Basel, Klingelbergstr. 82, CH-4056 Basel, Switzerland
| | - Shigeki Kawai
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1, Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Nicola Manini
- Dipartimento di Fisica, Università degli Studi di Milano, via Celoria 16, 20133 Milano, Italy
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