UNIFIED TREATMENT OF LUMINESCENCE QUENCHING KINETICS IN MICELLES WITHQUENCHER MIGRATION ON THE BASIS OF A GENERALIZED SMOLUCHOWSKI APPROACH

The problem of luminescence quenching in micelles assisted by quencher interphase migration is addressed by using a Smoluchowski approach wi thout invoking any assumption neither on the statistical distribution of quenchers among the micelles nor on the independence of quenching a nd migration precesses. The obtained decay function coincides to a goo d degree of accuracy with the prediction of the originally developed s tochastic model of quenching. This illustrates the applicability of th e Smoluchowski type of a general approach to reaction kinetics in micr odisperse systems, such as micelles, and reveals several tacit assumpt ions of the original model. The effect of micelle size polydispersity on luminescence quenching kinetics is also discussed.