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Fluorescent Properties of Polymer Systems with Negative Photochromism Based on Complexes of Spiropyran with Metal Ions
Russian Journal of Applied Chemistry ( IF 0.9 ) Pub Date : 2021-05-24 , DOI: 10.1134/s1070427221030034
V. A. Barachevsky , T. M. Valova

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.



中文翻译:

螺吡喃与金属离子配合物的负光致变色聚合物体系的荧光性质

摘要

进行了光谱动力学研究,以研究光致变色硝基取代的螺吡喃分子与在各种性质的聚合物基质中电子亲和力不同的金属阳离子的配合物的荧光性质。结果表明,光诱导的动态颜色变化不仅取决于吸收的变化,而且取决于表现出负光致变色作用的配合物的发光。揭示了质子配合物在螺吡喃的部花青形式的光致变色转化中的作用。

更新日期:2021-05-24
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