V-Shaped switching and interlayer interactions in ferroelectric liquid crystals
作者:Alexey Petrenko、John W. Goodby
DOI:10.1039/b612065m
日期:——
Linear electrooptic responses in ferroelectric liquid crystals can be achieved via thresholdless switching. The molecular parameters for the design of ferroelectric liquid crystals that may yield a thresholdless response have not been delineated so far. In this article we explore some of the chemical design features that may be utilised in controlling switching processes, and we develop property–structure correlations in order to achieve materials that exhibit thresholdless behaviour.
Synthesis, thermal, dielectric and electro-optic properties of new series of fluorinated hydrogen-bonded liquid crystals
作者:Mouna Derbali、Taoufik Soltani、Ahlem Guesmi、Naoufel Ben Hamadi、Erwann Jeanneau、Yves Chevalier
DOI:10.1016/j.molliq.2022.120510
日期:2022.12
liquid–Nematic–SmA–SmC–crystalline solid upon cooling from the isotropic phase. All the transition temperatures decrease with increasing alkoxy chain length of nOBAFF, which reveals a decrease of order parameter for longer chains. The dielectric and electro-optic behaviors of the nematic phase of nOBAFF/8OBA mixtures reveal a decrease of the threshold voltage and response time upon increasing the alkyl chain length