Excellent corrosion inhibition and lubrication properties of carbon dot-based ionic liquids as water-based additives

被引：8
|
作者：
Wang, Haocheng [1 ,2 ]
Li, Yi [1 ,3 ]
Zhang, Songwei [1 ,3 ]
Che, Qinglun [2 ]
Hu, Litian [1 ]
Zhang, Jianjun [2 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Qingdao Univ Technol, Sch Mech & Automot Engn, Qingdao 266033, Peoples R China
[3] Qingdao Ctr Resource Chem & New Mat, Qingdao 266071, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 189卷
基金：
中国国家自然科学基金;
关键词：
Carbon dot -based ionic liquids; Corrosion inhibition; Tribological behavior; Water -based additives; PERFORMANCE; STEEL; ACIDS; ROOM;
D O I：
10.1016/j.triboint.2023.108990
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Ionic liquids (ILs) and carbon dots (CDs) have gained more attention as versatile materials. Noticeably, the carbon dot-based ionic liquids (CDILs), a novel ionic combination of the two materials, will be endowed with superior performance and promote the application of CDs in fields of corrosion inhibition and lubrication. In this work, three CDILs with different alkyl chain numbers were synthesized as water-based multifunctional additives. CDILs show excellent corrosion inhibition effect in corrosive aqueous solution and superior lubricating behavior in water. Interestingly, CDILs with medium numbers of alkyl chains in cationic moiety exhibits optimal corrosion inhibition and lubrication performance. Both the physical adsorption of CDILs and the structures of cations in-fluence the quality of adsorption and lubricating film.
引用
收藏
页数：12
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