Long range attraction between glass surfaces in cyclohexane-ethanol binary liquids

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19 Citations (Scopus)

Abstract

Interaction forces between glass surfaces in cyclohexaneethanol binary mixtures were investigated using colloidal probe atomic force microscopy. An unusually long range attraction was found in the presence of ethanol in the concentration range of 0.1 ∼ 1.4 mol%. At 0.1 mol% ethanol, the attraction appeared at a distance of 35 ± 3 nm and turned into a repulsive force below 3.5 ± 1.5 nm upon compression. A possible explanation accounting for this long range attraction is the bridging of opposed adsorption layers of ethanol on the glass surfaces.

Original languageEnglish
Pages (from-to)1005-1006
Number of pages2
JournalChemistry Letters
Issue number10
DOIs
Publication statusPublished - 1999 Jan 1

ASJC Scopus subject areas

  • Chemistry(all)

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