Spontaneously Organized Molecular Assemblies. 1. Formation, Dynamics, and Physical Properties of n-Alkanoic Acids Adsorbed from Solution on an Oxidized Aluminum Surface

David L. Allara, Ralph G. Nuzzo

Research output: Contribution to journalArticlepeer-review

Abstract

This study shows that closest packed, oriented monolayers of n-alkanoic acids can be formed on oxidized aluminum substrates by adsorption from dilute solution. The formation of these organic surface phases is characterized by complicated kinetics in which surface and/or monolayer defects, as well as impurities, seemingly play important roles. The structures so obtained are dynamic in nature in that they undergo rapid exchange with ligands in solution. The data further suggest an important limitation to self-assembly in this system which is directly related to the length of the n-alkanoic acid tail. The influences of experimental variables on the formation of oriented monolayers is discussed.

Original languageEnglish (US)
Pages (from-to)45-52
Number of pages8
JournalLangmuir
Volume1
Issue number1
DOIs
StatePublished - Jan 1985
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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