Journal of Physical Chemistry B, volume 120, issue 22, pages 5073-5082
Photoinduced Changes of Surface Topography in Amorphous, Liquid-Crystalline, and Crystalline Films of Bent-Core Azobenzene-Containing Substance
Bobrovsky Alexey
1
,
Mochalov Konstantin
2, 3
,
Oleinikov Vladimir
2, 3
,
Solovyeva Daria
2, 3
,
Shibaev Valery
1
,
Bogdanova Yulia
1
,
Hamplová Věra
4
,
4
Institute
of Physics, The Czech Academy of Sciences, 182 21 Prague 8, Czech Republic
|
Publication type: Journal Article
Publication date: 2016-05-26
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
Recently, photofluidization and mass-transfer effects have gained substantial interest because of their unique abilities of photocontrolled manipulation with material structure and physicochemical properties. In this work, the surface topographies of amorphous, nematic, and crystalline films of an azobenzene-containing bent-core (banana-shaped) compound were studied using a special experimental setup combining polarizing optical microscopy and atomic force microscopy. Spin-coating or rapid cooling of the samples enabled the formation of glassy amorphous or nematic films of the substance. The effects of UV and visible-light irradiation on the surface roughness of the films were investigated. It was found that UV irradiation leads to the fast isothermal transition of nematic and crystalline phases into the isotropic phase. This effect is associated with E-Z photoisomerization of the compound accompanied by a decrease of the anisometry of the bent-core molecules. Focused polarized visible-light irradiation (457.9 nm) results in mass-transfer phenomena and induces the formation of so-called "craters" in amorphous and crystalline films of the substance. The observed photofluidization and mass-transfer processes allow glass-forming bent-core azobenzene-containing substances to be considered for the creation of promising materials with photocontrollable surface topographies. Such compounds are of principal importance for the solution of a broad range of problems related to the investigation of surface phenomena in colloid and physical chemistry, such as surface modification for chemical and catalytic reactions, predetermined morphology of surfaces and interfaces in soft matter, and chemical and biochemical sensing.
Citations by journals
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Journal of Molecular Structure
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1 publication, 8.33%
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1 publication, 8.33%
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1 publication, 8.33%
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1 publication, 8.33%
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1 publication, 8.33%
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1
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Citations by publishers
1
2
3
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Royal Society of Chemistry (RSC)
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3 publications, 25%
|
Elsevier
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2 publications, 16.67%
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Wiley
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2 publications, 16.67%
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1 publication, 8.33%
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Multidisciplinary Digital Publishing Institute (MDPI)
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1 publication, 8.33%
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IOP Publishing
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IOP Publishing
1 publication, 8.33%
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Taylor & Francis
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Taylor & Francis
1 publication, 8.33%
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1
2
3
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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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Bobrovsky A. et al. Photoinduced Changes of Surface Topography in Amorphous, Liquid-Crystalline, and Crystalline Films of Bent-Core Azobenzene-Containing Substance // Journal of Physical Chemistry B. 2016. Vol. 120. No. 22. pp. 5073-5082.
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Bobrovsky A., Mochalov K., Oleinikov V., Solovyeva D., Shibaev V., Bogdanova Y., Hamplová V., Kašpar M. Photoinduced Changes of Surface Topography in Amorphous, Liquid-Crystalline, and Crystalline Films of Bent-Core Azobenzene-Containing Substance // Journal of Physical Chemistry B. 2016. Vol. 120. No. 22. pp. 5073-5082.
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TY - JOUR
DO - 10.1021/acs.jpcb.6b03122
UR - https://doi.org/10.1021%2Facs.jpcb.6b03122
TI - Photoinduced Changes of Surface Topography in Amorphous, Liquid-Crystalline, and Crystalline Films of Bent-Core Azobenzene-Containing Substance
T2 - Journal of Physical Chemistry B
AU - Bogdanova, Yulia
AU - Hamplová, Věra
AU - Solovyeva, Daria
AU - Bobrovsky, Alexey
AU - Mochalov, Konstantin
AU - Oleinikov, Vladimir
AU - Shibaev, Valery
AU - Kašpar, M.
PY - 2016
DA - 2016/05/26 00:00:00
PB - American Chemical Society (ACS)
SP - 5073-5082
IS - 22
VL - 120
SN - 1520-6106
SN - 1520-5207
ER -
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@article{2016_Bobrovsky
author = {Yulia Bogdanova and Věra Hamplová and Daria Solovyeva and Alexey Bobrovsky and Konstantin Mochalov and Vladimir Oleinikov and Valery Shibaev and M. Kašpar},
title = {Photoinduced Changes of Surface Topography in Amorphous, Liquid-Crystalline, and Crystalline Films of Bent-Core Azobenzene-Containing Substance},
journal = {Journal of Physical Chemistry B},
year = {2016},
volume = {120},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021%2Facs.jpcb.6b03122},
number = {22},
pages = {5073--5082},
doi = {10.1021/acs.jpcb.6b03122}
}
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MLA
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Bobrovsky, Alexey, et al. “Photoinduced Changes of Surface Topography in Amorphous, Liquid-Crystalline, and Crystalline Films of Bent-Core Azobenzene-Containing Substance.” Journal of Physical Chemistry B, vol. 120, no. 22, May. 2016, pp. 5073-5082. https://doi.org/10.1021%2Facs.jpcb.6b03122.