Title

Fluorescence quenching studies of cyclodextrin complexes of pyrene and naphthalene in the presence of alcohols

Document Type

Article

Publication Date

1-1-1990

Abstract

Fluorescence quenching of naphthalene- and pyrene-cyclodextrin complexes using iodide ion is examined. A model describing the fluorescence intensity quenching of naphthalene:β-cyclodextrin complexes is proposed and evaluated. This model assumes that cyclodextrin-complexed naphthalene is essentially unquenched by iodide ion. This was found to be true for naphthalene:cyclodextrin complexes in the presence of benzyl alcohol. Pyrene fluorescence lifetime data are presented which support the conclusion that cyclodextrin inclusion complexes in the presence of alcohols are quenched to a significantly lesser extent than in the absence of alcohols. © 1990 American Chemical Society.

Publication Source (Journal or Book title)

Journal of Physical Chemistry

First Page

576

Last Page

581

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