Abstract

A mathematical model taking into consideration excitation energy migration has been proposed in order to determine the fraction of excimer sites (FES) in synthetic macromolecules. Data for polystyrene and iso- and atactic poly(ar-methyl styrene0 of varying molecular mass have been taken from the work of Ishii, Handa and Matsunaga and re-worked in terms of the proposed model. The FES obtained are compared with those determined from other models.

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