ACS applied materials & interfaces, volume 8, issue 40, pages 27227-27235

Cholesteric Polymer Scaffolds Filled with Azobenzene-Containing Nematic Mixture with Phototunable Optical Properties

Raguzin Ivan 3
Stumpe Joachim 4
Shibaev Valery 2
1
 
Fraunhofer Institute for Applied Polymer Research, Geiselbergstrasse 69, 14476 Potsdam-Golm, Germany
3
 
Leibniz Institute of Polymer Research, Hohe Strasse 6, 01069 Dresden, Germany
4
 
University of Potsdam, Am Mühlenberg 11, 14476 Potsdam, Germany
Publication typeJournal Article
Publication date2016-09-28
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
The past two decades witnessed tremendous progress in the field of creation of different types of responsive materials. Cholesteric polymer networks present a very promising class of smart materials due to the combination of the unique optical properties of cholesteric mesophase and high mechanical properties of polymer networks. In the present work we demonstrate the possibility of fast and reversible photocontrol of the optical properties of cholesteric polymer networks. Several cholesteric photopolymerizable mixtures are prepared, and porous cholesteric network films with different helix pitches are produced by polymerization of these mixtures. An effective and simple method of the introduction of photochromic azobenzene-containing nematic mixture capable of isothermal photoinducing the nematic-isotropic phase transition into the porous polymer matrix is developed. It is found that cross-linking density and degree of polymer network filling with a photochromic nematic mixture strongly influence the photo-optical behavior of the obtained composite films. In particular, the densely cross-linked films are characterized by a decrease in selective light reflection bandwidth, whereas weakly cross-linked systems display two processes: the shift of selective light reflection peak and decrease of its width. It is noteworthy that the obtained cholesteric materials are shown to be very promising for the variety applications in optoelectronics and photonics.

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Ryabchun A. et al. Cholesteric Polymer Scaffolds Filled with Azobenzene-Containing Nematic Mixture with Phototunable Optical Properties // ACS applied materials & interfaces. 2016. Vol. 8. No. 40. pp. 27227-27235.
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Ryabchun A., Raguzin I., Stumpe J., Shibaev V., Bobrovsky A. Cholesteric Polymer Scaffolds Filled with Azobenzene-Containing Nematic Mixture with Phototunable Optical Properties // ACS applied materials & interfaces. 2016. Vol. 8. No. 40. pp. 27227-27235.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.6b09642
UR - https://doi.org/10.1021%2Facsami.6b09642
TI - Cholesteric Polymer Scaffolds Filled with Azobenzene-Containing Nematic Mixture with Phototunable Optical Properties
T2 - ACS applied materials & interfaces
AU - Raguzin, Ivan
AU - Stumpe, Joachim
AU - Ryabchun, Alexander
AU - Shibaev, Valery
AU - Bobrovsky, Alexey
PY - 2016
DA - 2016/09/28 00:00:00
PB - American Chemical Society (ACS)
SP - 27227-27235
IS - 40
VL - 8
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
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BibTex Copy
@article{2016_Ryabchun
author = {Ivan Raguzin and Joachim Stumpe and Alexander Ryabchun and Valery Shibaev and Alexey Bobrovsky},
title = {Cholesteric Polymer Scaffolds Filled with Azobenzene-Containing Nematic Mixture with Phototunable Optical Properties},
journal = {ACS applied materials & interfaces},
year = {2016},
volume = {8},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021%2Facsami.6b09642},
number = {40},
pages = {27227--27235},
doi = {10.1021/acsami.6b09642}
}
MLA
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MLA Copy
Ryabchun, Alexander, et al. “Cholesteric Polymer Scaffolds Filled with Azobenzene-Containing Nematic Mixture with Phototunable Optical Properties.” ACS applied materials & interfaces, vol. 8, no. 40, Sep. 2016, pp. 27227-27235. https://doi.org/10.1021%2Facsami.6b09642.
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