Open Access
Journal of Molecular Liquids, volume 341, pages 117431
Eu-doped cholesteric mixtures with a highly thermosensitive circular polarization of luminescence
Publication type: Journal Article
Publication date: 2021-11-01
Journal:
Journal of Molecular Liquids
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 6
ISSN: 01677322, 18733166
Materials Chemistry
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
Spectroscopy
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
• Cholesteric mixtures doped with Eu complex with circularly polarized luminescence. • High thermosensitivity of degree of luminescence circular polarization. • These mixtures can be served as the temperature sensors. A novel approach of the temperature measurement by recording the dissymmetry factor temperature dependence of the cholesteric mixtures doped with luminescent europium complex is developed. The cholesteric mesophase possesses the unique optical properties, one of which is the selective reflection of circularly polarized light with a wavelength proportional to the helix pitch. For the cholesteric systems doped with luminescent molecules, whose emission overlaps with the selective light reflection peak, the luminescence becomes circularly polarized in the direction opposite to the direction of polarization of the reflected light. We proposed to use the cholesteric material, containing highly emissive Eu complex doped into temperature-sensitive cholesteric mixtures with suitable spectral range of selective light reflection peaks, for temperature sensing. The sensitivity of the obtained system reached 4.4%/K in the near-physiological range.
Citations by journals
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1
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Polymers
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Polymers
1 publication, 50%
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Journal of Molecular Liquids
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Journal of Molecular Liquids
1 publication, 50%
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1
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Citations by publishers
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1
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 50%
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Elsevier
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Elsevier
1 publication, 50%
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1
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Bobrovsky A., Kozlov M. I., Utochnikova V. Eu-doped cholesteric mixtures with a highly thermosensitive circular polarization of luminescence // Journal of Molecular Liquids. 2021. Vol. 341. p. 117431.
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Bobrovsky A., Kozlov M. I., Utochnikova V. Eu-doped cholesteric mixtures with a highly thermosensitive circular polarization of luminescence // Journal of Molecular Liquids. 2021. Vol. 341. p. 117431.
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TY - JOUR
DO - 10.1016/j.molliq.2021.117431
UR - https://doi.org/10.1016%2Fj.molliq.2021.117431
TI - Eu-doped cholesteric mixtures with a highly thermosensitive circular polarization of luminescence
T2 - Journal of Molecular Liquids
AU - Bobrovsky, Alexey
AU - Kozlov, Makarii I
AU - Utochnikova, Valentina
PY - 2021
DA - 2021/11/01 00:00:00
PB - Elsevier
SP - 117431
VL - 341
SN - 0167-7322
SN - 1873-3166
ER -
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@article{2021_Bobrovsky,
author = {Alexey Bobrovsky and Makarii I Kozlov and Valentina Utochnikova},
title = {Eu-doped cholesteric mixtures with a highly thermosensitive circular polarization of luminescence},
journal = {Journal of Molecular Liquids},
year = {2021},
volume = {341},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016%2Fj.molliq.2021.117431},
pages = {117431},
doi = {10.1016/j.molliq.2021.117431}
}