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

被引：8

作者：

Donato, Mariana T. ^{[1
,2
]}

Deuermeier, Jonas ^{[3
,4
]}

Colaco, Rogerio ^{[5
]}

Branco, Luis C. ^{[2
]}

Saramago, Benilde ^{[1
]}

机构：

[1] Univ Lisbon, Inst Mol Sci, Ctr Quim Estrutural, Dept Engn Quim,Inst Super Tecn, Ave Rovisco Pais, P-1049001 Lisbon, Portugal

[2] Univ NOVA Lisboa, NOVA Sch Sci & Technol, Dept Quim, LAQV REQUIMTE, Campus Caparica, P-2829516 Caparica, Portugal

[3] Univ Nova Lisboa, Fac Ciencias & Tecnol, CENIMAT i3N, Campus Caparica, P-2829516 Caparica, Portugal

[4] Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Ciencia Mat, CEMOP UNINOVA, Campus Caparica, P-2829516 Caparica, Portugal

[5] Univ Lisbon, Inst Engn Mecan, Inst Super Tecn, IDMEC,Dept Engn Mecan, Ave Rovisco Pais, P-1049001 Lisbon, Portugal

来源：

MOLECULES | 2023年 / 28卷 / 06期

关键词：

protic ionic liquids; lubricant additives; friction; wear; silicon; MEMS; NEMS; TRIBOLOGICAL PROPERTIES; ULTRATHIN FILMS; WEAR; FRICTION; BEHAVIOR; SALTS; ANION;

D O I：

10.3390/molecules28062678

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

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.

引用

页数：16

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