| In Situ Fabrication of Low-Friction Sandwich Sheets Through Functionalized Graphene Crosslinked by Ionic Liquids | |
| Department | 固体润滑国家重点实验室 |
Fan XQ(樊小强)1,2 ; Wang LP(王立平)1; Li W(李文)1,2; Wang LP(王立平)
| |
| 2015 | |
| Source Publication | Tribology Letters
 |
| ISSN | 1023-8883 |
| Volume | 58Issue:1Pages:12(1-12) |
| Abstract | Graphene is considered a wonder material for fundamental research and industrial application, whereas its poor dispersibility and incompatibility in lubricants have impeded the application for solving lubrication problems. Here, in situ fabrication of effectively functionalized graphene sheets was developed through a moderate electrochemical method for exfoliating graphite into graphene sheets in ionic liquids solution. The as-fabricated graphene sheets with the charged groups of ionic liquids (ILs) could be self-assembled together to form the multilayer sandwich structure through the electrostatic interaction. Self-assembly multilayer graphene (MLG) exhibits so high-density coverage of functional groups that some amorphous regions are formed on the graphene basal plane, which significantly improves its dispersibility and stability in ILs lubricant. Moreover, the functionalized MLG as a novel lubricant additive greatly enhances the friction-reducing and antiwear abilities for the contact of steel/steel (friction coefficient and wear volume lubricated by ILs with MLG at applied load of 200 N and 150 °C were reduced by up to 55.9 and 84.2 %, and under high vacuum were reduced by up to 36 and 94.3 % with pure ILs as a comparison, respectively), which is attributed to the synergies of ILs and MLG because ILs with functionalized MLG can form the physical adsorptive film and tribo-chemical reaction film on the rubbing surface during friction process. |
| Keyword | Graphene Functionalization Self-assembly Ionic Liquids Lubrication |
| Subject Area | 材料科学与物理化学 |
| DOI | 10.1007/s11249-015-0485-6 |
| Funding Organization | National Natural Science Foundation of China (Grants 11172300;21373249) |
| Indexed By | SCI |
| If | 1.758 |
| Language | 英语 |
| Funding Project | 低维材料摩擦学组 |
| compositor | 第一作者单位 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.licp.cn/handle/362003/18384 |
| Collection | 固体润滑国家重点实验室（LSL） |
| Corresponding Author | Wang LP(王立平) |
| Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| Recommended Citation GB/T 7714 | Fan XQ,Wang LP,Li W,et al. In Situ Fabrication of Low-Friction Sandwich Sheets Through Functionalized Graphene Crosslinked by Ionic Liquids[J]. Tribology Letters,2015,58(1):12(1-12). |
| APA | Fan XQ,Wang LP,Li W,&王立平.(2015).In Situ Fabrication of Low-Friction Sandwich Sheets Through Functionalized Graphene Crosslinked by Ionic Liquids.Tribology Letters,58(1),12(1-12). |
| MLA | Fan XQ,et al."In Situ Fabrication of Low-Friction Sandwich Sheets Through Functionalized Graphene Crosslinked by Ionic Liquids".Tribology Letters 58.1(2015):12(1-12). |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 6-Fanxiao Qiang-2015（3345KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment