Design of functional multicomponent liquid crystalline mixtures with nano-scale pitch fulfilling deformed helix ferroelectric mode demands

0510336 - FZÚ 2020 RIV NL eng J - Článek v odborném periodiku
Kurp, K. - Czerwiński, M. - Tykarska, M. - Salamon, P. - Bubnov, Alexej
Design of functional multicomponent liquid crystalline mixtures with nano-scale pitch fulfilling deformed helix ferroelectric mode demands.
Journal of Molecular Liquids. Roč. 290, Sep (2019), s. 1-10, č. článku 111329. ISSN 0167-7322. E-ISSN 1873-3166
Grant CEP: GA ČR GA19-03564S
Grant ostatní: EU - ICT(XE) COST Action CA17139
Institucionální podpora: RVO:68378271
Klíčová slova: ferroelectric liquid crystal * multicomponent mixture * polar smectic phase * helical pitch * phase diagram * self-assembling behaviour * deformed helix fer
Obor OECD: Nano-materials (production and properties)
Impakt faktor: 5.065, rok: 2019
Způsob publikování: Omezený přístup
https://doi.org/10.1016/j.molliq.2019.111329

Design of functional smectic liquid crystalline mixtures possessing polar behaviour remains quite highlighted task as those materials are highly requested by industry for specific applications in photonics. This work is devoted to specific practical method devoted to design of functional multicomponent ferroelectric liquid crystalline (FLC) mixtures based on chiral components exhibiting the ferroelectric and antiferroelectric polar order. The self-assembling behaviour, tilt angle, spontaneous polarization as well as dielectric properties of the mixtures were studied and discussed. Three resulting mixtures exhibit a broad range of the ferroelectric smectic phase, very low melting point, short helical pitch (below 180 nm) and relatively high tilt angle (~40). Excellent chemical stability and compatibility of components as well as moderate values of spontaneous polarization adds another great deal to these FLCs materials for application in deformed helix ferroelectric mode in photonics.

Trvalý link: http://hdl.handle.net/11104/0300850