| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 610465 | Journal of Colloid and Interface Science | 2009 | 6 Pages |
The spreading of ionic liquids on molecularly smooth solid surfaces has been little studied in the past. We show that the spreading behaviors of the two ionic liquids, [EMIM] ethyl sulfate and ECOENG™ 500, are well described by the combined molecular kinetic and hydrodynamic model of de Ruijter, de Coninck, and Oshanin [M.J. de Ruijter, J. de Coninck, G. Oshanin, Langmuir 15 (1999) 2209] with reasonable values for the molecular friction coefficient ζ, molecular displacement λ, and frequency K0 associated with contact line motion, as well as reasonable values for the microscopic cutoff a associated with hydrodynamic dissipation.
Graphical abstractIonic liquid droplets dissipate energy via viscous flow and contact line friction as they spread across a molecular smooth silicon wafer.Figure optionsDownload full-size imageDownload as PowerPoint slide
