Journal of Photochemistry and Photobiology A: Chemistry, volume 426, pages 113789
Influence of structural and solvation factors on the photodestruction and efficiency of singlet oxygen generation by luminophores based on iodo- and bromosubstituted zinc(II), cadmium(II) and boron(III) dipyrromethenates
Publication type: Journal Article
Publication date: 2022-04-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 4.3
ISSN: 10106030, 18732666
General Chemistry
General Chemical Engineering
General Physics and Astronomy
Abstract
• Photostability and 1 O 2 generation of halogenated [ML 2 ] and [BF 2 L] has been studied. • The photodestruction processes of dyes include the initial stages of dehalogenation. • Halogenated dipyrromethenates exhibit high efficiency of singlet oxygen generation. • The complexes photostability increases upon going from iodo- to bromosubstituted dyes. A comparative analysis of the influence of the molecular structure and medium properties on the photostability and efficiency of singlet oxygen generation by luminophores based on iodo- and bromosubstituted zinc(II), cadmium(II) and boron(III) dipyrromethenates is presented. It has been established that photodestruction of halogen-substituted complexes [ZnL 2 ], [CdL 2 ], and [BF 2 L] includes the initial stages of dehalogenation of luminophores and is a process of photosensitization, the efficiency of which depends both on the molecular structure of the chelates and on the medium properties. Based on experimental and literature data, the mechanism of 1 O 2 generation with the participation of iodo- and bromosubstituted dipyrromethenates [ZnL 2 ], [CdL 2 ] and [BF 2 L] was proposed and substantiated. It was shown that the indices of photostability and generation of singlet oxygen by heteroligand boron chelates [BF 2 L] are approximately 33 and 8 times higher, respectively, than the corresponding characteristics of homoligand complexes [ZnL 2 ] and [CdL 2 ]. The influence of the halogenation features is manifested in an increase of the photodegradation efficiency upon the transition from 2-monoiodo- to 3,5-dibromo- and 2,6-dibromosubstituted dipyrromethenates of zinc(II), cadmium(II) and boron(III) due to a decrease in the probability the transition to a triplet excited state and a decrease in the efficiency of singlet oxygen generation. The combination of the high photostability rates and singlet oxygen generation provides a good practical potential for the use of iodo- and bromosubstituted zinc(II), cadmium(II), and boron(III) dipyrromethenates as PDT agents.
Citations by journals
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Journal of Molecular Liquids
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Journal of Molecular Liquids
1 publication, 50%
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Journal of Photochemistry and Photobiology A: Chemistry
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Journal of Photochemistry and Photobiology A: Chemistry
1 publication, 50%
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Elsevier
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Elsevier
2 publications, 100%
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Nuraneeva E. N. et al. Influence of structural and solvation factors on the photodestruction and efficiency of singlet oxygen generation by luminophores based on iodo- and bromosubstituted zinc(II), cadmium(II) and boron(III) dipyrromethenates // Journal of Photochemistry and Photobiology A: Chemistry. 2022. Vol. 426. p. 113789.
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Nuraneeva E. N., Guseva G. B., Antina E. V., Vyugin A. I. Influence of structural and solvation factors on the photodestruction and efficiency of singlet oxygen generation by luminophores based on iodo- and bromosubstituted zinc(II), cadmium(II) and boron(III) dipyrromethenates // Journal of Photochemistry and Photobiology A: Chemistry. 2022. Vol. 426. p. 113789.
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TY - JOUR
DO - 10.1016/j.jphotochem.2022.113789
UR - https://doi.org/10.1016%2Fj.jphotochem.2022.113789
TI - Influence of structural and solvation factors on the photodestruction and efficiency of singlet oxygen generation by luminophores based on iodo- and bromosubstituted zinc(II), cadmium(II) and boron(III) dipyrromethenates
T2 - Journal of Photochemistry and Photobiology A: Chemistry
AU - Nuraneeva, Ekaterina N
AU - Guseva, Galina B
AU - Antina, Elena V
AU - Vyugin, A I
PY - 2022
DA - 2022/04/01 00:00:00
PB - Elsevier
SP - 113789
VL - 426
SN - 1010-6030
SN - 1873-2666
ER -
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@article{2022_Nuraneeva,
author = {Ekaterina N Nuraneeva and Galina B Guseva and Elena V Antina and A I Vyugin},
title = {Influence of structural and solvation factors on the photodestruction and efficiency of singlet oxygen generation by luminophores based on iodo- and bromosubstituted zinc(II), cadmium(II) and boron(III) dipyrromethenates},
journal = {Journal of Photochemistry and Photobiology A: Chemistry},
year = {2022},
volume = {426},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016%2Fj.jphotochem.2022.113789},
pages = {113789},
doi = {10.1016/j.jphotochem.2022.113789}
}