Counterions iodide, bromide and bis(trifluoromethane)sulfonimide happen to be deemed. The synthesis, structure, and liquid crystalline properties of those compounds are discussed around the basis of your tuned structural variables. The thermotropic properties of this series of salts have already been investigated by differential scanning calorimetry and polarized optical microscopy. The outcomes showed the existence of an enantiotropic mesomorphic smectic liquid crystalline phase for six bis(trifluoromethane)sulfonimide salts. Search phrases: ionic liquids; liquid crystals; fluorinated salts; heterocyclic; mesogensCitation: Weber, M.S.; Schulze, M.; Lazzara, G.; Palumbo Piccionello, A.; Pace, A.; Pibiri, I. Oxadiazolyl-Pyridinium as Cationic Scaffold for Fluorinated Ionic Liquid Crystals. Appl. Sci. 2021, 11, 10347. https://doi.org/10.3390/app112110347 Academic Editors: Eric Guibal and Roberto Zivieri Received: 23 September 2021 Accepted: 31 October 2021 Published: three NovemberPublisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.1. Introduction Liquid crystals (LCs) is often described as the matter amongst the isotropic liquid as well as the Sutezolid References anisotropic strong crystal. The liquid crystalline phase possesses a number of the qualities with the order discovered inside the solid crystal as well as some of the disorder current in liquids and is frequently referred to as mesophase [1]. Ionic liquids (ILs) are salts which consist of organic cations paired using a variety of anions and melt at low temperatures, generally under one hundred C [2,3]. When a liquid crystalline material consists of anion and cations, it can be known as an ionic liquid crystal (ILC) [4]. As a consequence of the ionic character as well as the capability to kind liquid crystalline phases with structural and often even positional order, the combined properties of ionic liquids and liquid crystals tends to make the ionic liquid crystals very desirable for a selection of applications which include ion-conductive components in batteries [5,6] or dye-sensitized solar cells [7]. The physical properties of IL and ILCs may be tailored by judicious selection on the central core, which include heterocycles, the Nitrocefin medchemexpress substituents and their position, the introduction of alkyl chains and fluorinated moieties of different length too as the suitable choiceCopyright: 2021 by the authors. Licensee MDPI, Basel, Switzerland. This short article is an open access write-up distributed below the terms and situations of your Inventive Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).Appl. Sci. 2021, 11, 10347. https://doi.org/10.3390/apphttps://www.mdpi.com/journal/applscici. 2021, 11, x FOR PEER REVIEW2 ofAppl. Sci. 2021, 11,two ofthe substituents and their position, the introduction of alkyl chains and fluorinated moieties of many length also because the appropriate option of the counterion [4,8]. In this context, a number of 1,2,4-oxadiazoles and 1,2,4-triazoles have been investigated with tuned of your counterion latest research have focused on series of 1,two,4-triazolium structural variables [3,83]. The [4,8]. Within this context, a varietyaof 1,2,4-oxadiazoles and 1,2,4-triazoles have been investigated attached fluoroalkyl variables [3,83]. The latest ions with chain length variation of thewith tuned structural(m = three, 7, 9) and alkyl chains research have focused on a series of 1,two,4-triazolium ions with chain length variation in the attached (n = 10, 12, 14) as well as diverse counterions such as trifluor.