Surfactant aggregates at a flat, isotropic hydrophobic surface

J. L. Wolgemuth, R. K. Workman, Srinivas Manne

Research output: Contribution to journalArticle

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Abstract

We report results of surfactant aggregate morphologies at an amorphous hydrophobic surface whose roughness is small compared to the size of a micelle. Direct imaging by atomic force microscopy shows that single-chain ionic, nonionic, and zwitterionic surfactants, which form spherical micelles in solution, form globular aggregates consistent with half-micelles at an amorphous hydrophobic surface. This result is consistent with the expected isotropy of chain-surface interactions.

Original languageEnglish (US)
Pages (from-to)3077-3081
Number of pages5
JournalLangmuir
Volume16
Issue number7
DOIs
Publication statusPublished - Apr 4 2000

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ASJC Scopus subject areas

  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry

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