Abstract
The fluorescence has been measured in dilute solution and in glassy poly(methyl methacrylate) for polyesters of 2,6-naphthalene dicarboxylate and HO(CH 2 CH 2 O) m H, m = 1−4. The model compounds in which the glycol connects two molecules of 2-naphthoate were also studied. Intramolecular energy migration is implied by the anisotropy of the fluorescence in rigid media. The results are consistent with Förster radii of about 12 Å in the model compounds and 14 Å in the polymers, as found previously for a similar series based on HO(CH 2 ) m OH instead of HO(CH 2 CH 2 O) m H.
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