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Fluorescent Properties of Polymer Systems with Negative Photochromism Based on Complexes of Spiropyran with Metal Ions

  • Macromolecular Compounds and Polymeric Materials
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Abstract

A spectral-kinetic investigation was carried out to study the fluorescent properties of complexes of molecules of photochromic nitro-substituted spiropyran with metal cations differing in electron affinity in polymer matrices of various nature. It is shown that the photoinduced dynamic color change is determined by the change not only in the absorption, but also in the luminescence of complexes exhibiting negative photochromism. The role of proton complexes in the photochromic transformations of the merocyanine form of spiropyran was revealed.

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ACKNOWLEDGMENTS

The authors are grateful to V.A. Arsenov for providing a sample of spiropyran.

Funding

This work was supported by the Ministry of Science and Higher Education in the framework of the work on the state order of the “Interdepartmental Center for Analytical Research” of the Russian Academy of Sciences (in terms of spectral-kinetic studies) and the Federal Research Center “Crystallography and Photonics” of the Russian Academy of Sciences (in terms of obtaining photochromic polymer films).

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Correspondence to V. A. Barachevsky.

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Translated from Zhurnal Prikladnoi Khimii, No. 3, pp. 301–306, January, 2021 https://doi.org/10.31857/S0044461821030038

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Barachevsky, V.A., Valova, T.M. Fluorescent Properties of Polymer Systems with Negative Photochromism Based on Complexes of Spiropyran with Metal Ions. Russ J Appl Chem 94, 289–293 (2021). https://doi.org/10.1134/S1070427221030034

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  • DOI: https://doi.org/10.1134/S1070427221030034

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