Open Access
Polymers, volume 12, issue 4, pages 735
Modeling of Stripe Patterns in Photosensitive Azopolymers
Publication type: Journal Article
Publication date: 2020-03-26
PubMed ID:
32224848
General Chemistry
Polymers and Plastics
Abstract
Placed at interfaces, azobenzene-containing materials show extraordinary phenomena when subjected to external light sources. Here we model the surface changes induced by one-dimensional Gaussian light fields in thin azopolymer films. Such fields can be produced in a quickly moving film irradiated with a strongly focused laser beam or illuminating the sample through a cylindrical lens. To explain the appearance of stripe patterns, we first calculate the unbalanced mechanical stresses induced by one-dimensional Gaussian fields in the interior of the film. In accordance with our orientation approach, the light-induced stress originates from the reorientation of azobenzenes that causes orientation of rigid backbone segments along the light polarization. The resulting volume forces have different signs and amplitude for light polarization directed perpendicular and parallel to the moving direction. Accordingly, the grooves are produced by the stretching forces and elongated protrusions by the compressive forces. Implementation into a viscoplastic model in a finite element software predicts a considerably weaker effect for the light polarized along the moving direction, in accordance with the experimental observations. The maximum value in the distribution of light-induced stresses becomes in this case very close to the yield stress which results in smaller surface deformations of the glassy azopolymer.
Citations by journals
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1
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Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics
1 publication, 9.09%
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Materials
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Materials
1 publication, 9.09%
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Molecules
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Molecules
1 publication, 9.09%
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Gels
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Gels
1 publication, 9.09%
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Polymers
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Polymers
1 publication, 9.09%
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Macromolecular Materials and Engineering
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Macromolecular Materials and Engineering
1 publication, 9.09%
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Journal of Chemical Physics
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Journal of Chemical Physics
1 publication, 9.09%
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Applied Optics
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Applied Optics
1 publication, 9.09%
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ACS Photonics
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ACS Photonics
1 publication, 9.09%
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Nanophotonics
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Nanophotonics
1 publication, 9.09%
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Soft Matter
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Soft Matter
1 publication, 9.09%
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1
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Citations by publishers
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1
2
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4
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
4 publications, 36.36%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
2 publications, 18.18%
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Wiley
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Wiley
1 publication, 9.09%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
1 publication, 9.09%
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Optical Society of America
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Optical Society of America
1 publication, 9.09%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 9.09%
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Walter de Gruyter
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Walter de Gruyter
1 publication, 9.09%
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1
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4
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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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Yadav B., Domurath J., Saphiannikova M. Modeling of Stripe Patterns in Photosensitive Azopolymers // Polymers. 2020. Vol. 12. No. 4. p. 735.
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Yadav B., Domurath J., Saphiannikova M. Modeling of Stripe Patterns in Photosensitive Azopolymers // Polymers. 2020. Vol. 12. No. 4. p. 735.
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TY - JOUR
DO - 10.3390/polym12040735
UR - https://doi.org/10.3390%2Fpolym12040735
TI - Modeling of Stripe Patterns in Photosensitive Azopolymers
T2 - Polymers
AU - Yadav, Bharti
AU - Domurath, Jan
AU - Saphiannikova, M
PY - 2020
DA - 2020/03/26 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 735
IS - 4
VL - 12
PMID - 32224848
SN - 2073-4360
ER -
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@article{2020_Yadav,
author = {Bharti Yadav and Jan Domurath and M Saphiannikova},
title = {Modeling of Stripe Patterns in Photosensitive Azopolymers},
journal = {Polymers},
year = {2020},
volume = {12},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {mar},
url = {https://doi.org/10.3390%2Fpolym12040735},
number = {4},
pages = {735},
doi = {10.3390/polym12040735}
}
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Yadav, Bharti, et al. “Modeling of Stripe Patterns in Photosensitive Azopolymers.” Polymers, vol. 12, no. 4, Mar. 2020, p. 735. https://doi.org/10.3390%2Fpolym12040735.