Spectral study of the protonation of photochromic chromenes in polymeric matrices
Venidiktova O. V. 1, Kobeleva o. I.1, Gorelik A. M. 1, Barachevsky V A 1,2
1Photochemistry Center, FSRC "Crystallography and Photonics", Russian Academy of Sciences, Moscow, Russia
2Interdepartmental Center for Analytical Research in Physics, Chemistry, and Biology, Presidium of the Russian Academy of Sciences, Moscow, Russia
Email: wolga.photonics@inbox.ru, levi-dola@mail.ru, 77gorelik@mail.ru, barachevsky@mail.ru

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For the first time, proton complexes of the photoinduced colored form of chromene have been obtained in polymer binders. It is shown that UV irradiation of photochromic chromene leads to spectral changes due to the structure of the compounds and the nature of the polymer binder. Keywords: photochromism, chromene, naphthopyran, polymer matrix, spectroscopy.
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