COMPLEXATION OF REDOX-ACTIVE SURFACTANTS BY CYCLODEXTRINS.

Abigail Diaz, Pablo A. Quintela, Jodi M. Schuette, Angel Kaifer

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

The effects of cyclodestrins on the aggregation behavior and electrochpemical properties of N-ethyl-N prime -hexadecyl-4,4 prime -bipyridinium bromide (C//1//6VBr//2) and N-ethyl-N prime -bipyridinium bromide (C//1//8Br//2) were assessed by using electrochemical, optical, and surface tension techniques. The association constants of these two amphiphillic viologens with alpha - and beta -cyclodextrin (ACD and BCD) were determined by a condutance method. Values in the range 10**3-10**4 M** minus **1 were obtaiend for all four complexes. In the presence of ACD, the first reduction couple of both viologens exhibits reversible, diffusion-controlled voltammetric behavior. ACD also inhibits completely the formation of dimers from the corresponding cation radicals.

Original languageEnglish
Pages (from-to)3537-3542
Number of pages6
JournalJournal of Physical Chemistry
Volume92
Issue number12
StatePublished - Jun 1 1988

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Viologens
Cyclodextrins
Complexation
Bromides
Surface-Active Agents
Dimers
Surface tension
bromides
Surface active agents
Agglomeration
Positive ions
surfactants
Association reactions
Cations
interfacial tension
dimers
cations
Oxidation-Reduction

ASJC Scopus subject areas

  • Engineering(all)
  • Physical and Theoretical Chemistry

Cite this

Diaz, A., Quintela, P. A., Schuette, J. M., & Kaifer, A. (1988). COMPLEXATION OF REDOX-ACTIVE SURFACTANTS BY CYCLODEXTRINS. Journal of Physical Chemistry, 92(12), 3537-3542.

COMPLEXATION OF REDOX-ACTIVE SURFACTANTS BY CYCLODEXTRINS. / Diaz, Abigail; Quintela, Pablo A.; Schuette, Jodi M.; Kaifer, Angel.

In: Journal of Physical Chemistry, Vol. 92, No. 12, 01.06.1988, p. 3537-3542.

Research output: Contribution to journalArticle

Diaz, A, Quintela, PA, Schuette, JM & Kaifer, A 1988, 'COMPLEXATION OF REDOX-ACTIVE SURFACTANTS BY CYCLODEXTRINS.', Journal of Physical Chemistry, vol. 92, no. 12, pp. 3537-3542.
Diaz A, Quintela PA, Schuette JM, Kaifer A. COMPLEXATION OF REDOX-ACTIVE SURFACTANTS BY CYCLODEXTRINS. Journal of Physical Chemistry. 1988 Jun 1;92(12):3537-3542.
Diaz, Abigail ; Quintela, Pablo A. ; Schuette, Jodi M. ; Kaifer, Angel. / COMPLEXATION OF REDOX-ACTIVE SURFACTANTS BY CYCLODEXTRINS. In: Journal of Physical Chemistry. 1988 ; Vol. 92, No. 12. pp. 3537-3542.
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