Journal of Physical Chemistry B, volume 121, issue 35, pages 8377-8384
Wavelength Dependence of the Reorientation Efficiency of Azo Dyes in Polymer Matrixes
Publication type: Journal Article
Publication date: 2017-08-23
Journal:
Journal of Physical Chemistry B
Quartile SCImago
Q1
Quartile WOS
Q3
Impact factor: 3.3
ISSN: 15206106, 15205207
Materials Chemistry
Surfaces, Coatings and Films
Physical and Theoretical Chemistry
Abstract
Irradiation with linearly polarized light of azobenzene-containing polymeric matrixes causes reorientation of azobenzene molecules. In this study, the optical light-induced anisotropy of amorphous poly(alkyl methacrylates) doped with an azo compound was measured at different temperatures and at two irradiation wavelengths. To describe a decrease in the efficiency of anisotropy formation with temperature, a model of molecule reorientation is suggested which includes the probability of molecule reorientation per one isomerization as a basic parameter. The probability of molecule reorientation was found to depend on irradiation wavelength. Comparing the anisotropy time profiles at different irradiation wavelengths, we concluded that, upon each photon absorption, the molecule most likely makes an attempt to reorient even without isomerization, i.e., the reorientation occurs by a mechanism predicted by Persico and co-workers in their theoretical works. Also, we infer that the reorientation is facilitated by the photon energy absorbed by a molecule.
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2 publications, 33.33%
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Citations by publishers
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2 publications, 33.33%
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1 publication, 16.67%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
1 publication, 16.67%
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Elsevier
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Elsevier
1 publication, 16.67%
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1
2
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Grebenkin S., Meshalkin A. B. Wavelength Dependence of the Reorientation Efficiency of Azo Dyes in Polymer Matrixes // Journal of Physical Chemistry B. 2017. Vol. 121. No. 35. pp. 8377-8384.
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Grebenkin S., Meshalkin A. B. Wavelength Dependence of the Reorientation Efficiency of Azo Dyes in Polymer Matrixes // Journal of Physical Chemistry B. 2017. Vol. 121. No. 35. pp. 8377-8384.
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TY - JOUR
DO - 10.1021/acs.jpcb.7b03171
UR - https://doi.org/10.1021%2Facs.jpcb.7b03171
TI - Wavelength Dependence of the Reorientation Efficiency of Azo Dyes in Polymer Matrixes
T2 - Journal of Physical Chemistry B
AU - Meshalkin, Arkadiy B
AU - Grebenkin, S
PY - 2017
DA - 2017/08/23 00:00:00
PB - American Chemical Society (ACS)
SP - 8377-8384
IS - 35
VL - 121
SN - 1520-6106
SN - 1520-5207
ER -
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@article{2017_Grebenkin,
author = {Arkadiy B Meshalkin and S Grebenkin},
title = {Wavelength Dependence of the Reorientation Efficiency of Azo Dyes in Polymer Matrixes},
journal = {Journal of Physical Chemistry B},
year = {2017},
volume = {121},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021%2Facs.jpcb.7b03171},
number = {35},
pages = {8377--8384},
doi = {10.1021/acs.jpcb.7b03171}
}
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Grebenkin, S., and Arkadiy B Meshalkin. “Wavelength Dependence of the Reorientation Efficiency of Azo Dyes in Polymer Matrixes.” Journal of Physical Chemistry B, vol. 121, no. 35, Aug. 2017, pp. 8377-8384. https://doi.org/10.1021%2Facs.jpcb.7b03171.