The infrared spectra of poly(methyl methacrylate) samples doped with different luminescent materials show no drastic changes in the position and intensity of the absorption bands, except in case of β‐naphthol. From this it is supposed that there is no interaction between the dopant and PMMA with most of the investigated materials, while with β‐naphthol hydrogen bonding between adjacent molecules in the polymer matrix is observed.
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Sayyah et al. (1987) studied this question.
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