Journal of Photochemistry and Photobiology A: Chemistry, volume 221, issue 1, pages 22-29
Fluorescent and photooptical properties of H-bonded LC composites based on stilbazole derivative
Publication type: Journal Article
Publication date: 2011-06-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 4.3
ISSN: 10106030, 18732666
General Chemistry
General Chemical Engineering
General Physics and Astronomy
Abstract
A novel series of H-bonded LC (smectic and nematic) composites and “model” mixtures without hydrogen bonding based on the stilbazole derivative were prepared. As the matrices of the composites following polymers were synthesized: smectic homopolymer containing p-oxybenzoic groups, nematic copolymer containing p-oxybenzoic and methoxyphenylbenzoic side groups, and nematic homopolymer with methoxyphenylbenzoate groups. The spectral properties of composite films were studied in detail. Significant differences in the fluorescence spectra of H-bonded LC composites and “model” mixtures were revealed. Mechanism of the processes occurring in the films of the LC composites under the action of the UV light was proposed. The mechanism includes a reversible proton transfer involved in the H-bonds formation. It was found that in the oriented films of the nematic composite degree of fluorescence polarization is higher than in the films of a similar mixture without H-bonding. The effect of linearly polarized light on the optical properties of the composite films was studied. It was shown that the highest values of the photoinduced dichroism are achieved in nematic liquid crystals composites. It was revealed that for the irradiated LC composites annealing leads to decease of dichroism values (degree of polarized emission drops to zero), whereas for “model” LC mixture without hydrogen bonding a significant increase in these parameters was found.
Citations by journals
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Dalton Transactions
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Dalton Transactions
2 publications, 33.33%
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Nanomaterials
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Nanomaterials
1 publication, 16.67%
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Chemistry - A European Journal
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Chemistry - A European Journal
1 publication, 16.67%
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Polymer Chemistry
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Polymer Chemistry
1 publication, 16.67%
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Liquid Crystals
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Liquid Crystals
1 publication, 16.67%
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1
2
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Citations by publishers
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1
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3
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
3 publications, 50%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 16.67%
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Wiley
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Wiley
1 publication, 16.67%
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Taylor & Francis
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Taylor & Francis
1 publication, 16.67%
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1
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3
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Ryabchun A. et al. Fluorescent and photooptical properties of H-bonded LC composites based on stilbazole derivative // Journal of Photochemistry and Photobiology A: Chemistry. 2011. Vol. 221. No. 1. pp. 22-29.
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Ryabchun A., Bobrovsky A., Shibaev V., Fomina M. V., Lobova N., Alfimov M. Fluorescent and photooptical properties of H-bonded LC composites based on stilbazole derivative // Journal of Photochemistry and Photobiology A: Chemistry. 2011. Vol. 221. No. 1. pp. 22-29.
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TY - JOUR
DO - 10.1016/j.jphotochem.2011.04.017
UR - https://doi.org/10.1016%2Fj.jphotochem.2011.04.017
TI - Fluorescent and photooptical properties of H-bonded LC composites based on stilbazole derivative
T2 - Journal of Photochemistry and Photobiology A: Chemistry
AU - Ryabchun, Alexander
AU - Bobrovsky, Alexey
AU - Shibaev, Valery
AU - Fomina, Marina V.
AU - Lobova, Natalya
AU - Alfimov, Mikhail
PY - 2011
DA - 2011/06/01 00:00:00
PB - Elsevier
SP - 22-29
IS - 1
VL - 221
SN - 1010-6030
SN - 1873-2666
ER -
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@article{2011_Ryabchun,
author = {Alexander Ryabchun and Alexey Bobrovsky and Valery Shibaev and Marina V. Fomina and Natalya Lobova and Mikhail Alfimov},
title = {Fluorescent and photooptical properties of H-bonded LC composites based on stilbazole derivative},
journal = {Journal of Photochemistry and Photobiology A: Chemistry},
year = {2011},
volume = {221},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016%2Fj.jphotochem.2011.04.017},
number = {1},
pages = {22--29},
doi = {10.1016/j.jphotochem.2011.04.017}
}
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MLA
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Ryabchun, Alexander, et al. “Fluorescent and photooptical properties of H-bonded LC composites based on stilbazole derivative.” Journal of Photochemistry and Photobiology A: Chemistry, vol. 221, no. 1, Jun. 2011, pp. 22-29. https://doi.org/10.1016%2Fj.jphotochem.2011.04.017.