Anomalously high dielectric strength and low frequency dielectric relaxation of a bent-core liquid crystal with a large kink angle
Sign Up to like & getrecommendations! Published in 2017 at "Current Applied Physics"
DOI: 10.1016/j.cap.2017.03.012
Abstract: Abstract We investigated the dielectric dispersion property of a bent-core liquid crystal (BLC) with a large kink angle in the frequency range of 1.0 Hz–5.5 MHz in a planar aligned cell. Single dielectric dispersion was observed in… read more here.
Keywords: relaxation; frequency; core liquid; large kink ... See more keywords
Effect of titanium dioxide nanoparticles on the dielectric and electro-optical properties of bent-core liquid crystals
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2018.11.013
Abstract: Abstract Nano-doping of bent-core liquid crystals are of recent interest because the blending of bent-core liquid crystals with nanoparticles opens a new avenue both for fundamental research and the development of smart materials with desired… read more here.
Keywords: effect; bent core; core liquid; liquid crystals ... See more keywords
Influence of alkyl and alkoxy groups on photoresponsive behaviour of bent-core azo mesogens: Synthesis, mesomorphic and photoswitching properties
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2020.113091
Abstract: Abstract Two homologous series of 3-hydroxy benzoic acid based bent-core mesogens with an azobenzene wing bearing either alkoxy or alkyl terminal chains are synthesised and their liquid crystalline and photoswitching properties are investigated. The synthesised… read more here.
Keywords: alkyl alkoxy; photoswitching properties; bent core; bent ... See more keywords
Conformation-Changeable π-Electronic Systems with Metastable Bent-Core Conformations and Liquid-Crystalline-State Electric-Field-Responsive Properties.
Sign Up to like & getrecommendations! Published in 2020 at "Organic letters"
DOI: 10.1021/acs.orglett.0c03791
Abstract: This study focused on the use of nonconventional bent-core π-electronic systems, 2,2'-bipyrroles substituted with modified benzoyl units, as building units of stimuli-responsive assemblies. Electric-field-responsive mesophase behaviors were observed in homochiral synclinic ferroelectric smectic C structures… read more here.
Keywords: field; electric field; electronic systems; field responsive ... See more keywords
Influence of lateral methyl/chloro substituents on the liquid crystalline and photoswitching behaviour of bent-core mesogens bearing azobenzene wings: synthesis and characterization
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Chemistry"
DOI: 10.1039/c9nj06237h
Abstract: Herein, we report selectively designed, synthesized and characterized bent-core molecules bearing methyl and chloro substituents at the lateral positions on the phenyl rings of the azobenzene wings. Preliminary structural characterizations were carried out using 1H… read more here.
Keywords: bent; chloro substituents; spectroscopy; methyl chloro ... See more keywords
Observation of “de Vries-like” properties in bent-core molecules
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Science"
DOI: 10.1039/d1sc06629c
Abstract: “de Vries” liquid crystals, defined by a maximum layer shrinkage of ≤1% from the smectic A to C phase transition, are an integral component of ferroelectric liquid crystal (FLC) displays. Bona fide de Vries materials… read more here.
Keywords: bent core; core; like properties; core molecules ... See more keywords
Wide temperature-range, multi-component, optically isotropic antiferroelectric bent-core liquid crystal mixtures for display applications
Sign Up to like & getrecommendations! Published in 2018 at "Liquid Crystals"
DOI: 10.1080/02678292.2017.1369594
Abstract: ABSTRACT We present studies on 21 multi-component mixtures consisting of bent-core liquid crystals to obtain room temperature switching between optically isotropic and birefringent states. Four of the mixtures show a significant enhancement over our previous… read more here.
Keywords: liquid; optically isotropic; multi component; core liquid ... See more keywords
Mesogenic behaviour of isomeric bent-core 6-oxoverdazyls: 1,3-vrs 1,5-substitution pattern
Sign Up to like & getrecommendations! Published in 2018 at "Liquid Crystals"
DOI: 10.1080/02678292.2018.1441454
Abstract: ABSTRACT Two series of isomeric bent-core derivatives of 6-oxoverdazyl, with alkyl and partially fluorinated alkyl chains, were investigated by thermo-optical, powder X-ray diffraction and electron paramagnetic resonance methods in the pure state and binary mixtures.… read more here.
Keywords: isomeric bent; mesogenic behaviour; bent core;
Achiral bent-core salicylaldimine compounds exhibiting dark conglomerate and B2 mesophases: effect of linkage groups and lateral substituents
Sign Up to like & getrecommendations! Published in 2018 at "Liquid Crystals"
DOI: 10.1080/02678292.2018.1556822
Abstract: ABSTRACT Four new series of achiral bent-core compounds and two biphenyl derivatives of them have been synthesised and their mesomorphic properties are studied. These mesogens are salicylaldimine derivatives, designed with an aim to study the… read more here.
Keywords: bent; lateral substituents; achiral bent; salicylaldimine ... See more keywords
Densest versus jammed packings of bent-core trimers.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.100.022903
Abstract: We identify putatively maximally dense packings of tangent-sphere trimers with fixed bond angles (θ=θ_{0}), and contrast them to the disordered jammed states they form under quasistatic and dynamic athermal compression. Incommensurability of θ_{0} with three-dimensional… read more here.
Keywords: packings bent; jammed packings; densest versus; bent core ... See more keywords
Some geometrical aspects of packing of bent-core molecules in the triclinic smectic-C_{g} liquid crystals and simple models of the modulated SmC_{gmod} phase.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review. E"
DOI: 10.1103/physreve.103.022704
Abstract: Organic compounds with bent-core (BC) molecules usually form the layered smectic liquid crystals with tilted molecules and polarization (P) which lies in the plane of the layer. A few such compounds have been found in… read more here.
Keywords: liquid crystals; bent core; smectic liquid; core molecules ... See more keywords