Journal of Molecular Structure, volume 1130, pages 385-394
The influence of structural factors on the composition, spectral-luminescent properties and thermal stability of zinc(II) bis(dipyrromethenate)s crystal solvates with amines
Publication type: Journal Article
Publication date: 2017-02-01
Journal:
Journal of Molecular Structure
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 3.8
ISSN: 00222860
Organic Chemistry
Inorganic Chemistry
Spectroscopy
Analytical Chemistry
Abstract
It was found that 3,3′-, 2,3′- and 2,2′-zinc(II) bis(dipyrromethenate)s ([Zn2L2]) form stable supramolecular complexes with aromatic and aliphatic amines (X - pyridine (Py), N,N-dimethylmethanamide (DMF), diethylamine (DEA) and triethylamine (TEA)) of the composition [Zn2L2(X)n]. Composition, stability and spectral-luminescent properties of the [Zn2L2(X)n] crystal solvates were studied by means of FTIR, PXRD, thermal, mass spectral, absorption, and fluorescence analyses. Spectroscopic studies showed that the quantum yield (φ) of [Zn2L2(Х)n] in cyclohexane is much lower (to ∼ 1.4–4.0 times) than φ for the [Zn2L2]. Crystal solvates are stable up to a temperature ∼367.35–427.55 K. It is demonstrated, that the high interactions energies (Zn N) in [Zn2L2(X)n] supramolecular complexes are the main cause of the fluorescence quenching of [Zn2L2] luminophores in the presence of electron-donor molecules. The obtained results are of interest for the development on the basis of [Zn2L2] of a new fluorescent sensors of the electron donor molecules.
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Guseva G. B., Ksenofontov A. A., Antina E. V. The influence of structural factors on the composition, spectral-luminescent properties and thermal stability of zinc(II) bis(dipyrromethenate)s crystal solvates with amines // Journal of Molecular Structure. 2017. Vol. 1130. pp. 385-394.
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Guseva G. B., Ksenofontov A. A., Antina E. V. The influence of structural factors on the composition, spectral-luminescent properties and thermal stability of zinc(II) bis(dipyrromethenate)s crystal solvates with amines // Journal of Molecular Structure. 2017. Vol. 1130. pp. 385-394.
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TY - JOUR
DO - 10.1016/j.molstruc.2016.10.048
UR - https://doi.org/10.1016%2Fj.molstruc.2016.10.048
TI - The influence of structural factors on the composition, spectral-luminescent properties and thermal stability of zinc(II) bis(dipyrromethenate)s crystal solvates with amines
T2 - Journal of Molecular Structure
AU - Ksenofontov, Alexander A
AU - Guseva, Galina B
AU - Antina, Elena V
PY - 2017
DA - 2017/02/01 00:00:00
PB - Elsevier
SP - 385-394
VL - 1130
SN - 0022-2860
ER -
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@article{2017_Guseva,
author = {Alexander A Ksenofontov and Galina B Guseva and Elena V Antina},
title = {The influence of structural factors on the composition, spectral-luminescent properties and thermal stability of zinc(II) bis(dipyrromethenate)s crystal solvates with amines},
journal = {Journal of Molecular Structure},
year = {2017},
volume = {1130},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016%2Fj.molstruc.2016.10.048},
pages = {385--394},
doi = {10.1016/j.molstruc.2016.10.048}
}