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Nanomaterials, том 10, издание 8, номера страниц: 1-16

Self-assembling behavior of smart nanocomposite system: Ferroelectric liquid crystal confined by stretched porous polyethylene film

Rychetský Ivan 1
Fekete Ladislav 1
1
 
Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Prague, Czech Republic
Тип документаJournal Article
Дата публикации2020-07-30
ИздательMultidisciplinary Digital Publishing Institute (MDPI)
Название журналаNanomaterials
Квартиль по SCImagoQ1
Квартиль по Web of ScienceQ1
Импакт-фактор 20215.72
ISSN20794991
General Chemical Engineering
General Materials Science
Краткое описание
The control and prediction of soft systems exhibiting self-organization behavior can be realized by different means but still remains a highlighted task. Novel advanced nanocomposite system has been designed by filling of a stretched porous polyethylene (PE) film with pore dimensions of hundreds of nanometers by chiral ferroelectric liquid crystalline (LC) compound possessing polar self-assembling behavior. Lactic acid derivative exhibiting the paraelectric orthogonal smectic A* and the ferroelectric tilted smectic C* phases over a broad temperature range is used as a self-assembling compound. The morphology of nanocomposite film has been checked by Atomic Force Microscopy (AFM). The designed nanocomposite has been studied by polarizing optical microscopy (POM), differential scanning calorimetry (DSC), small and wide-angle X-ray scattering and broadband dielectric spectroscopy. The effect of a porous PE confinement on self-assembling, structural, and dielectric behavior of the chiral LC compound has been established and discussed. While the mesomorphic and structural properties of the nanocomposite are found not to be much influenced in comparison to that of a pure LC compound, the polar properties have been toughly suppressed by the specific confinement. Nevertheless, the electro-optic switching was clearly observed under applied electric field of low frequency (210 V, 19 Hz). The dielectric spectroscopy and X-ray results reveal that the helical structure of the ferroelectric liquid crystal inside the PE matrix is completely unwound, and the molecules are aligned along stretching direction. Obtained results demonstrate possibilities of using stretched porous polyolefins as promising matrices for the design of new nanocomposites.
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ГОСТ |
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1. Bubnov A. и др. Self-Assembling Behavior of Smart Nanocomposite System: Ferroelectric Liquid Crystal Confined by Stretched Porous Polyethylene Film // Nanomaterials. 2020. Т. 10. № 8. С. 1498.
RIS |
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TY - JOUR

DO - 10.3390/nano10081498

UR - http://dx.doi.org/10.3390/nano10081498

TI - Self-Assembling Behavior of Smart Nanocomposite System: Ferroelectric Liquid Crystal Confined by Stretched Porous Polyethylene Film

T2 - Nanomaterials

AU - Bubnov, Alexej

AU - Bobrovsky, Alexey

AU - Rychetský, Ivan

AU - Fekete, Ladislav

AU - Hamplová, Věra

PY - 2020

DA - 2020/07/30

PB - MDPI AG

SP - 1498

IS - 8

VL - 10

SN - 2079-4991

ER -

BibTex |
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@article{Bubnov_2020,

doi = {10.3390/nano10081498},

url = {https://doi.org/10.3390%2Fnano10081498},

year = 2020,

month = {jul},

publisher = {{MDPI} {AG}},

volume = {10},

number = {8},

pages = {1498},

author = {Alexej Bubnov and Alexey Bobrovsky and Ivan Rychetsk{\'{y}} and Ladislav Fekete and V{\v{e}}ra Hamplov{\'{a}}},

title = {Self-Assembling Behavior of Smart Nanocomposite System: Ferroelectric Liquid Crystal Confined by Stretched Porous Polyethylene Film},

journal = {Nanomaterials}

}

MLA
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Bubnov, Alexej, et al. “Self-Assembling Behavior of Smart Nanocomposite System: Ferroelectric Liquid Crystal Confined by Stretched Porous Polyethylene Film.” Nanomaterials, vol. 10, no. 8, July 2020, p. 1498. Crossref, https://doi.org/10.3390/nano10081498.