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An ionic liquid lubricant enables superlubricity to be "switched on" in situ using an electrical potential
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Surface and Corrosion Science.ORCID iD: 0000-0002-8935-8070
2014 (English)In: Chemical Communications, ISSN 1359-7345, E-ISSN 1364-548X, Vol. 50, no 33, p. 4368-4370Article in journal (Refereed) Published
Abstract [en]

Atomic force microscopy measurements reveal that superlubricity can be "switched'' on and off in situ when an ionic liquid is used to lubricate the silica-graphite interface. Applying a potential to the graphite surface changes the ion composition of the boundary layer and thus the lubricity. At positive potentials, when the interfacial ion layer is anion rich, friction falls to ultra-low levels.

Place, publisher, year, edition, pages
2014. Vol. 50, no 33, p. 4368-4370
Keywords [en]
Interface, Water
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-144968DOI: 10.1039/c4cc00979gISI: 000333580200027Scopus ID: 2-s2.0-84897132496OAI: oai:DiVA.org:kth-144968DiVA, id: diva2:716092
Note

QC 20140508

Available from: 2014-05-08 Created: 2014-05-05 Last updated: 2017-12-05Bibliographically approved

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