Abstract
The fluorescence properties of the silica gels based on tetrakis(2-hydroxyethyl)orthosilicate containing supramolecular complexes of the trans-4-[4-(dimethylamino)styryl]-1-methylpyridinium iodide were studied. For the first time the fluorescent gels with organic supramolecular complexes were synthesized by direct addition of cucurbit[6]uril and cucurbit[7]uril 4-trans-4-[4-(dimethylamino)styryl]-1-methylpyridinium iodide complexes into the reaction mixture. The comparison of spectral properties of free dye containing gels with complex containing ones showed complexes to be stable in the reaction conditions.
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The authors are gratefully acknowledge Russian Science Foundation for the financial support of the part of this work related to the cucurbituril-dye complexes study in the frames of RSF № 14-13-00751 project.
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Koshkin, A.V., Aleksandrova, N.A. & Ivanov, D.A. The fluorescence study of a styryl dye supramolecular complexes with cucurbit[6]uril and cucurbit[7]uril included in gels. J Sol-Gel Sci Technol 81, 303–310 (2017). https://doi.org/10.1007/s10971-016-4183-0
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DOI: https://doi.org/10.1007/s10971-016-4183-0