Journal of Luminescence, volume 192, pages 1203-1210
Zinc(II) bis(dipyrromethenate)s-based «Оn–Off» fluorescent sensors for xylenes
Publication type: Journal Article
Publication date: 2017-12-01
Journal:
Journal of Luminescence
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 3.6
ISSN: 00222313
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
This paper presents the results of spectral-luminescence research of binuclear zinc(II) helicates with deca-, octa-, and tetramethylsubstituted 3,3′-bis(dipyrromethene)s ([Zn 2 L 2 ]) in binary mixtures of cyclohexane with m -, o - and p -xylene. Structure effects of [Zn 2 L 2 ], and aromaticity criteria of analytes (HOMA, NICS, μ ) on the fluorescence quenching efficiency of [Zn 2 L 2 ] in the presence of xylenes was considered. It was found that decamethyl substituted 3,3′-bis(dipyrromethenate)s compared to octa-, and tetramethylsubstituted-analogs shows the highest fluorescence sensitivity to the presence of aromatic compounds. Quantum-chemical modeling showed that [Zn 2 L 2 ] fluorescence quenching in the xylenes presence is caused by the formation of [Zn 2 L 2 A n ] (n = 1 or 2) supramolecular structures. High specificity of spectral-luminescent characteristics changing in the presence of xylenes provides the possibility of using [Zn 2 L 2 ] helicates as new fluorescent sensors for trace amounts (6.5–99 ppm) detection of methylbenzenes in organic media.
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- We do not take into account publications that without a DOI.
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Ksenofontov A. A. et al. Zinc(II) bis(dipyrromethenate)s-based «Оn–Off» fluorescent sensors for xylenes // Journal of Luminescence. 2017. Vol. 192. pp. 1203-1210.
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Ksenofontov A. A., Guseva G. B., Antina E. V., Nuraneeva E. N. Zinc(II) bis(dipyrromethenate)s-based «Оn–Off» fluorescent sensors for xylenes // Journal of Luminescence. 2017. Vol. 192. pp. 1203-1210.
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TY - JOUR
DO - 10.1016/j.jlumin.2017.08.058
UR - https://doi.org/10.1016%2Fj.jlumin.2017.08.058
TI - Zinc(II) bis(dipyrromethenate)s-based «Оn–Off» fluorescent sensors for xylenes
T2 - Journal of Luminescence
AU - Ksenofontov, Alexander A
AU - Guseva, Galina B
AU - Antina, Elena V
AU - Nuraneeva, Ekaterina N
PY - 2017
DA - 2017/12/01 00:00:00
PB - Elsevier
SP - 1203-1210
VL - 192
SN - 0022-2313
ER -
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@article{2017_Ksenofontov,
author = {Alexander A Ksenofontov and Galina B Guseva and Elena V Antina and Ekaterina N Nuraneeva},
title = {Zinc(II) bis(dipyrromethenate)s-based «Оn–Off» fluorescent sensors for xylenes},
journal = {Journal of Luminescence},
year = {2017},
volume = {192},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016%2Fj.jlumin.2017.08.058},
pages = {1203--1210},
doi = {10.1016/j.jlumin.2017.08.058}
}