γ-CYCLODEXTRIN-ENHANCED EXCIMER FLUORESCENCE OF PYRENE AND EFFECT OF <i>n</i>-BUTYL ALCOHOL

Abstract

Abstract The fluorescence of pyrene has been measured in aqueous solutions in the presence of γ-cyclodextrin. The excimer emission of pyrene was enhanced upon addition of γ-cyclodextrin, indicating the formation of the 2:1 complex of pyrene with γ-cyclodextrin which degraded upon addition of n-butyl alcohol to yield the more stable three-component complex of pyrene, n-butyl alcohol, and γ-cyclodextrin.