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Ionic Liquid Thin Films: Potential Solution to Lubricate Miniaturized Devices

[+] Author Affiliations
Qunji Xue, Bo Yu, Feng Zhou, Ping Gao, Yongmin Liang, Weimin Liu

Chinese Academy of Sciences, Lanzhou, China

Paper No. WTC2005-63441, pp. 753-754; 2 pages
  • World Tribology Congress III
  • World Tribology Congress III, Volume 2
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4202-9 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME


The tribological properties of ultra-thin ionic liquid films (IL films) were evaluated using a Universal Micro-tribometer-2MT tester. The morphologies of the wear tracks of the films and the counterpart surfaces were examined using a JEM-1200EX scanning electron microscope (SEM) equipped with a Kevex energy dispersive X-ray analyzer (EDXA) attachment. It was found that the tribological performances of IL films were closely related to the chemical characteristics of the substrate surfaces. The films of vinyl group functionalized ionic liquids on hydroxylated substrate and vinyl group modified substrate exhibited very good friction-reduction and wear-resistant properties. IL films can be a potential solution to the lubrication of miniaturized devices.

Copyright © 2005 by ASME



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