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Ionic Liquid Adsorption and Nanotribology at the Silica-Oil Interface : Hundred-Fold Dilution in Oil Lubricates as Effectively as the Pure Ionic Liquid

Li, Hua (author)
University of Newcastle, Australia
Cooper, Peter K. (author)
University of Newcastle, Australia
Somers, Anthony E. (author)
Deakin University, Australia
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Rutland, Mark W. (author)
RISE,KTH,Yt- och korrosionsvetenskap,SP Technical Research Institute of Sweden,SP – Sveriges Tekniska Forskningsinstitut
Howlett, Patrick C. (author)
Deakin University, Australia
Forsyth, Maria (author)
Deakin University, Australia
Atkin, Rob (author)
University of Newcastle, Australia
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 (creator_code:org_t)
2014-11-17
2014
English.
In: The Journal of Physical Chemistry Letters. - : American Chemical Society (ACS). - 1948-7185. ; 5:23, s. 4095-4099
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The remarkable physical properties of ionic liquids (ILs) make them potentially excellent lubricants. One of the challenges for using ILs as lubricants is their high cost. In this article, atomic force microscopy (AFM) nanotribology measurements reveal that a 1 mol % solution of IL dissolved in an oil lubricates the silica surface as effectively as the pure IL. The adsorption isotherm shows that the IL surface excess need only be approximately half of the saturation value to prevent surface contact and effectively lubricate the sliding surfaces. Using Its in this way makes them viable for large-scale applications.

Subject headings

NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)

Keyword

adsorption isotherm
atomic force microscope
ionic liquids
lubricant additives
nanotribology
quartz crystal microbalance

Publication and Content Type

ref (subject category)
art (subject category)

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