Abstract
The photochemical behavior of boron difluoride 3-amino-1-phenyl-2-buten-1-one (I) and 3-methylamino-1-phenyl-2-buten-1-one (II) in polyethylene (PE) is comparatively studied. It is found that the photochemical behavior strongly depends on the crystal structure of complexes. UV irradiation of complex I in PE leads to luminescence quenching due to photodimerization. In samples kept in the dark, photodimers dissociate, which leads to an increase in the luminescence intensity of compound I compared to initial nonirradiated samples. In contrast to compound I, photolysis of II in PE revealed no noticeable changes in the luminescence intensity.
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Original Russian Text © A.G. Mirochnik, A.V. Trifonov, E.V. Fedorenko, G.O. Tret’yakova, V.G. Kuryavyi, L.A. Lim, V.A. Reutov, 2017, published in Optika i Spektroskopiya, 2017, Vol. 123, No. 6, pp. 866–870.
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Mirochnik, A.G., Trifonov, A.V., Fedorenko, E.V. et al. The Luminescence and Photochemical Behavior of Boron Difluoride Ketoiminates. Opt. Spectrosc. 123, 871–874 (2017). https://doi.org/10.1134/S0030400X17120104
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DOI: https://doi.org/10.1134/S0030400X17120104