Liquid adsorption at surfaces patterned with cylindrical nano-cavities

Oleg Gang, Antonio Checco, Tommy Hofmann, Du Yeol Ryu, Thomas P. Russell, Benjamin M. Ocko

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Abstract

We have studied the wetting of thin liquid (perfluoromethylcyclohexane) films on surfaces nano-patterned with hexagonally packed arrays of cylindrical nano-cavities by X-ray scattering methods. The liquid adsorption on the substrate was controlled precisely by varying the chemical potential of the liquid with respect to the value at liquid/vapor coexistence. We have probed the structural evolution of the wetting film inside the cavities and on the planar regions between them. The results are compared with theoretical predictions.

Original languageEnglish
Pages (from-to)10550-10558
Number of pages9
JournalSoft Matter
Volume9
Issue number44
DOIs
Publication statusPublished - 2013 Nov 28

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics

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    Gang, O., Checco, A., Hofmann, T., Ryu, D. Y., Russell, T. P., & Ocko, B. M. (2013). Liquid adsorption at surfaces patterned with cylindrical nano-cavities. Soft Matter, 9(44), 10550-10558. https://doi.org/10.1039/c3sm51188j