Mixed self-assembled monolayers of alkanethiolates on ultrasmooth gold do not exhibit contact-angle hysteresis

Pooja Gupta, Abraham Ulman, Stephanie Fanfan, Alexander Korniakov, Katja Loos

Research output: Contribution to journalArticle

Abstract

We present the first study of mixed alkanethiolate SAMs on ultrasmooth gold surfaces. By eliminating surface roughness, it became possible, for the first time, to investigate wetting properties as a function of surface chemical composition. In three different surface compositions, it was found that contact-angle hysteresis apparently vanished. This suggests that surface chemical heterogeneity does not contribute to contact-angle hysteresis in mixed SAMs on ultrasmooth gold surfaces.

Original languageEnglish (US)
Pages (from-to)4-5
Number of pages2
JournalJournal of the American Chemical Society
Volume127
Issue number1
DOIs
StatePublished - Jan 12 2005

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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