Russian Journal of General Chemistry, volume 88, issue 6, pages 1172-1179
Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates
Publication type: Journal Article
Publication date: 2018-06-01
Journal:
Russian Journal of General Chemistry
Quartile SCImago
Q4
Quartile WOS
Q4
Impact factor: 0.9
ISSN: 10703632, 16083350
General Chemistry
Abstract
Photostability of B(III), Zn(II), Cd(II) complexes with monoiodo- and dibromosubstituted dipyrromethenes [BF2L] and [ML2] in benzene and cyclohexane solutions is studied. It is found that the mechanism of destruction of the dyes under UV radiation is based on participation of singlet oxygen generated by the excited triplet state of the dye. Singlet oxygen enters the oxidation reactions of the pigment molecules leading to accumulation of colorless products based on di-, monopyrrol, and smaller fragments. Initial stages of the process include the reactions of dehalogenation of the dye molecules and are accompanied by enhancement of the fluorescence of the formed alkyl-substituted dipyrromethenates. The photostability of boron complexes [BF2L] is up to 32 times higher as compared to that of [ZnL2] and [CdL2]. The replacement of 4-iododipyrromethene ligands in [BF2L] and [ML2] by 5,5'-or 4,4'-dibromo-substituted ligands increases photostability of the dyes. The stability of the dyes against UV irradiation substantially decreases in benzene with respect to cyclohexane due to enhancement of polarization of the chromophore systems of dipyrromethene ligands because of their solvation with benzene (π–π-stacking).
Citations by journals
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1
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Optical Materials
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Optical Materials
1 publication, 33.33%
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Dyes and Pigments
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Dyes and Pigments
1 publication, 33.33%
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Molecules
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Molecules
1 publication, 33.33%
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1
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Citations by publishers
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1
2
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Elsevier
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Elsevier
2 publications, 66.67%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 33.33%
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1
2
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Nuraneeva E. N. et al. Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates // Russian Journal of General Chemistry. 2018. Vol. 88. No. 6. pp. 1172-1179.
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Nuraneeva E. N., Antina E. V., Guseva G. B., Berezin M. B., Vyugin A. I. Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates // Russian Journal of General Chemistry. 2018. Vol. 88. No. 6. pp. 1172-1179.
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TY - JOUR
DO - 10.1134/S1070363218060208
UR - https://doi.org/10.1134%2FS1070363218060208
TI - Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates
T2 - Russian Journal of General Chemistry
AU - Berezin, M B
AU - Vyugin, A I
AU - Nuraneeva, E N
AU - Antina, E V
AU - Guseva, G B
PY - 2018
DA - 2018/06/01 00:00:00
PB - Pleiades Publishing
SP - 1172-1179
IS - 6
VL - 88
SN - 1070-3632
SN - 1608-3350
ER -
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@article{2018_Nuraneeva,
author = {M B Berezin and A I Vyugin and E N Nuraneeva and E V Antina and G B Guseva},
title = {Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates},
journal = {Russian Journal of General Chemistry},
year = {2018},
volume = {88},
publisher = {Pleiades Publishing},
month = {jun},
url = {https://doi.org/10.1134%2FS1070363218060208},
number = {6},
pages = {1172--1179},
doi = {10.1134/S1070363218060208}
}
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MLA
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Nuraneeva, E. N., et al. “Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates.” Russian Journal of General Chemistry, vol. 88, no. 6, Jun. 2018, pp. 1172-1179. https://doi.org/10.1134%2FS1070363218060208.