An investigation of the effect of the structure of alkylbenzenesulfonates on the fluorescence properties of micellar aggregates

M. Aoudia, M. A J Rodgers, W. H. Wade

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We have investigated the effect of surfactant structure on aqueous micellar solutions formed by two monomeric series of sodium alkylbenzensulfonates (xφC12 and xφC16, where x = 3, 4, 5 ⋯ and indicates the position of the benzene ring [φ] along the alkyl chain) by fluorescence polarization and excimer emission spectroscopy. Our attention was focused on clear aqueous dispersions. Microviscosity around the benzene ring was shown to depend strongly on the isomer composition and is mainly determined by the short alkyl chain (SAC) of the double-tailed surfactants. The size of the aggregate seems largely to be determined by the long alkyl chain (LAC). Excimer emission and fluorescence polarization showed that the benzene ring, in all cases, resists both translational and rotational diffusion in a similar manner.

Original languageEnglish
Pages (from-to)472-478
Number of pages7
JournalJournal of Colloid and Interface Science
Volume101
Issue number2
DOIs
Publication statusPublished - 1984

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Benzene
Fluorescence
Surface-Active Agents
Surface active agents
Polarization
Emission spectroscopy
Dispersions
Isomers
Sodium
Chemical analysis

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry

Cite this

An investigation of the effect of the structure of alkylbenzenesulfonates on the fluorescence properties of micellar aggregates. / Aoudia, M.; Rodgers, M. A J; Wade, W. H.

In: Journal of Colloid and Interface Science, Vol. 101, No. 2, 1984, p. 472-478.

Research output: Contribution to journalArticle

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