Enhancement of thermal, dielectric and electro-optical properties of fluoro hydrogen-bonded liquid crystals

References

• Gray GW, Jones B. Mesomorphism and chemical constitution. Part III. The effect of halogen substitution on the mesomorphism of the 4-alkoxybenzoic acids. J Chem Soc. 1954;2556–2562. DOI:10.1039/jr9540002556
   Web of Science ®Google Scholar
• Gray GW, Jones B. The mesomorphic transition points of the para-normalalkoxybenzoic acids - a correction. J Chem Soc. 1953;104:4179–4180.
   Web of Science ®Google Scholar
• Gray GW, Jones B. Influence of substituents on the mesomorphism of para-normalalkoxybenzoic and 6-normal-alkoxy-2-naphthoic acids. Nature. 1952;81(4324):451–452.
   Web of Science ®Google Scholar
• Monte MJS, Almeida AP, Silva R. Thermodynamic study of the sublimation of eight 4-nalkylbenzoic acids. J Chem Therm. 2004;36(5):385–392.
   Web of Science ®Google Scholar
• Sastry S, Sarad KL, Mallik K, et al. Eigen value analysis studies on hydrogen-bonded mesogens. Liq Cryst. 2014;41(10):1483–1494.
   Web of Science ®Google Scholar
• Kumar AVN, Sridevi B, Srinivasulu M, et al. Inductive effect for the phase stability in hydrogen bonded liquid crystals, x-(p/m)BA:9OBAs. Liq Cryst. 2014;41(2):184–196.
   Web of Science ®Google Scholar
• Azima A, Brown CW, Mitra SS. Temperature-dependence of IR-spectra of liquidcrystalline p-heptoxybenzoic acid and p-octoxybenzoic acid. Spect Acta Part A-Mol Biomol Spectr. 1975;31(9–10):1475–1479.
   Web of Science ®Google Scholar
• Ilyin SO, Konstantinov II. Rheological evidence for the existence of subphases in the liquid crystalline 4-n-alkoxybenzoic acids. Liq Cryst. 2016;43:369–380.
   Web of Science ®Google Scholar
• Okumus M. Thermal characterisation of binary mixture of some supramolecular liquid crystals. J Therm Analys Cal. 2015;120(3):1603–1608.
   Web of Science ®Google Scholar
• Ahmed HA, Naoum MM. Mesophase behavior of binary and ternary mixtures of benzoic acids bearing terminal substituents of different polarity and chain-lengths. Therm chim Acta. 2014;575:122–128.
   Web of Science ®Google Scholar
• Okumus M. Investigation of thermal and optical properties of some quartet mixed hydrogen-bonded liquid crystals. J Mod Phys B. 2017;31:1750224.
   Web of Science ®Google Scholar
• Pongali N, Sathya P, MadhuMohan MLN. Characterization of a new smectic ordering in supramolecular hydrogen bonded liquid crystals by X-ray, optical and dielectric studies. J Mol Liq. 2013;182:79–90.
   Web of Science ®Google Scholar
• Fouzai M, Hamdi R, Ghrab S, et al. Properties of binary mixtures derived from hydrogen bonded liquid crystals. J Mol Liq. 2018;249:1279–1286.
   Web of Science ®Google Scholar
• Brienne MJ, Galard J, Lehn JM, et al. Macroscopic expression of molecular recognition. Supramolecular liquid crystalline phases induced by association of complementary heterocyclic components. J Chem Soc Chem Commun. 1989; (24):1868–1870. DOI:10.1039/c39890001868.
   Google Scholar
• Pongali SPN, MadhuMohan MLN. Thermal analysis of hydrogen bonded benzoic acid liquid crystals. J Therm Anal Cal. 2013;113(2):811–820.
   Web of Science ®Google Scholar
• Yu LJ, Pan JS. Mesophases induced by hydrogen bonds between non-mesogens. A di-proton acceptor and proton donors. Liq Cryst. 1993;14(3):829–835.
   Web of Science ®Google Scholar
• Paleos CM, Tsiourvas D, Fillipakis S, et al. Mesomorphic character of some long-chain 2,4,6-trichloro-1,3,5-triazine derivatives susceptible to facile functionalization. Mol Cryst Liq Cryst. 1994;242(1):9–15.
   Web of Science ®Google Scholar
• Kato T, Frechet JMJ. A new approach to mesophases stabilization through hydrogen bonding in binary mixtures. J Am Chem Soc. 1989;111(22):8533–8534.
   Web of Science ®Google Scholar
• Kato T, Adachi H, Fujishima A, et al. Self-assembly of liquid crystalline complexes having angular structures through intermolecular hydrogen bonding. Chem Lett. 1992;21(2):265–268.
   Web of Science ®Google Scholar
• Kato T, Uryu T, Kaneuchi F, et al. Hydrogen-bonded liquid crystals built from hydrogen-bonding donors and acceptors. Infrared study on the stability of the hydrogen bond between carboxylic acid and pyridyl moieties. Liq Cryst. 1993;14(5):1311–1317.
   Web of Science ®Google Scholar
• Arakawa Y, Sasaki Y, Tsuji H. Supramolecular hydrogen-bonded liquid crystals based on 4-n-alkylthiobenzoic acids and 4,4′-bipyridine: their mesomorphic behavior with comparative study including alkyl and alkoxy counterparts. J Mol Liq. 2019;280:153–159.
   Web of Science ®Google Scholar
• Martínez-Felipe A, Cook AG, Wallage MJ, et al. Hydrogen bonding and liquid crystallinity of low molar mass and polymeric mesogens containing benzoic acids: a variable temperature Fourier transform infrared spectroscopic study. Phase Transt. 2014;87(12):1191–1210.
   Web of Science ®Google Scholar
• Valisko M, Liszi J, Szalai I. Relative permittivity of a few H-bonded liquid crystals. J Mol Liq. 2004;109(1):39–43.
   Web of Science ®Google Scholar
• Martinez-Felipe A, Cook AG, Abberley JP, et al. An FT-IR spectroscopic study of the role of hydrogen bonding in the formation of liquid crystallinity for mixtures containing bipyridines and 4-pentyloxybenzoic acid. RSC Adv. 2016;6(110):108164–108179.
   Web of Science ®Google Scholar
• Murthya K, Chalapathya PV, Srinivasulub M, et al. Influence of flexIble chaIn, polar substItutIon and hydrogen bondIng on phase stabIlIty In ShIff based (4)PyBD(4I)BrA-nOBA serIes of lIquId crystals. J Mol Cryst and Liq Cryst. 2018;664(1):46–68.
   Web of Science ®Google Scholar
• Arkas M, Kitsou I, Gkouma A, et al. The role of hydrogen bonds in the mesomorphic behaviour of supramolecular assemblies organized in dendritic architectures. Liq Cryst Rev. 2019;7(1):60–105.
   Web of Science ®Google Scholar
• Ahmed H, Hagar M, Alaasar M, et al. Wide nematic phases induced by hydrogen-bonding. Liq Cryst. 2019;46(4):550–559.
   Web of Science ®Google Scholar
• Kumar U, Fréchet JMJ, Kato T, et al. Induction of ferroelectricity in polymeric systems through hydrogen bonding. Angew Chem Int Ed Engl. 1992;31(11):1531–1533.
   Web of Science ®Google Scholar
• Yu LJ. Hydrogen bond-induced ferroelectric liquid crystals. Liq Cryst. 1993;14(5):1303–1309.
   Web of Science ®Google Scholar
• Tian Y, Su F, Zhao Y, et al. Synthesis and variable-temperature FTIR study of five chiral liquid crystals induced by intermolecular hydrogen bonding. Liq Cryst. 1995;19(6):743–748.
   Web of Science ®Google Scholar
• Roohnikan M, Premack KC, Guzman-Juarez B, et al. Hydrogen-bonded LC nanocomposites: characterisation of nanoparticle-LC interactions by solid-state NMR and FTIR spectroscopies. Liq Cryst. 2019;46(7):1067–1078.
   Web of Science ®Google Scholar
• Jansze SM, Martinez-Felipe A, Storey JMD, et al. Twist-bend nematic phase driven by hydrogen bonding. Angew Chem-Int Ed. 2015;127(2):643–646.
   Google Scholar
• Wei-Hong C, Wei-Tsung C, Ser Jeng U, et al. New SmCG phases in a hydrogen-bonded bent-core liquid crystal featuring a branched siloxane terminal group. J Am Cheml Soc. 2011;133(39):15674–15685.
   PubMed Web of Science ®Google Scholar
• Paterson DA, Gao M, Kim YK, et al. Understanding the twist -bend nematic phase: the characterisation of 1 - (4 -cyanobiphenyl −4′ -yloxy) - 6 -(4 -cyanobiphenyl −4′ -yl)hexane (CB6OCB) and comparison with CB7CB. Soft Mat. 2016;12(32):6827–6840.
   PubMed Web of Science ®Google Scholar
• Walker R, Pociecha D, Abberley JP, et al. Spontaneous chirality through mixing achiral components: a twist-bend nematic phase driven by hydrogen-bonding between unlike components. Chem Commun. 2018;54(27):3383–3386.
   PubMed Web of Science ®Google Scholar
• Walker R, Pociecha D, Crawford CA, et al. Hydrogen bonding and the design of twist-bend nematogens. J Mol Liq. 2020;303:112630–112639.
   Web of Science ®Google Scholar
• Missaoui T, Ines BA, Soltani T, et al. Dielectric and electro -optic properties of cybotactic nematic phase in hydrogen - bonded liquid crystals. J Mol Liq. 2020;304:112726–112734.
   Web of Science ®Google Scholar
• Fouzai M, Guesmi A, Ben Hamadi N, et al. Fluoro-substitution in hydrogen bonding liquid crystal benzoic acid: dielectric, electro-optic and optical properties and inducing polar nematic phase. Liq Cryst. 2019;191:171–176.
   Google Scholar
• Kumar J, Prasad V. Ferroelectric nematic and ferrielectric smectic mesophases in an achiral bent-core azo compound. J Phys Chem B. 2018;122(11):2998–3007.
   PubMed Web of Science ®Google Scholar
• Okumus M, Ükrü Ozgan S, Kırık I, et al. Thermal and optical characterization of liquid crystal 4-hexyl-4- biphenylcarbonitrile/4-hexylbenzoic acid mixtures. J Mol Struc. 2016;1120:150–155.
   Web of Science ®Google Scholar
• Kondratenko K, Boussoualem Y, Singh DP, et al. Molecular p-doping in organic liquid crystalline semiconductor: influence of the charge transfer complex on the properties of mesophase and bulk charge transport. Phys Chem Chem Phys. 2019;21(34):18686–18698.
   PubMed Web of Science ®Google Scholar
• Tan H, Kong P, Liu M, et al. Enhanced photocatalytic hydrogen production from aqueous-phase methanol reforming over cyano-carboxylic bifunctionally-modified carbon nitride. Chem Comm. 2019;55(83):12503–12506.
   PubMed Web of Science ®Google Scholar
• Robertson PA, Lobo IA, Wilson DJD, Robertson EG. Nitriles as directionally tolerant hydrogen bond acceptors: IR-UV ion depletion spectroscopy of benzenepropanenitrile and its hydrate clusters. Chem Phys Lett. 2016;660:221–227.
   Web of Science ®Google Scholar
• Leenhouts F, Vander Woude F. Simple method of determining the birefringence of nematic liquid crystals. J Phy Lett. 1978;39(14):249–251.
   Google Scholar
• Patari S, Nath A. Optical mesophase textures and the enthalpy changes with temperature of a liquid crystal compound 9OBA. Adv Mat Proced. 2017;2(2):125–127.
   Google Scholar
• Kolek L, Massalska-Arod M, Majda D, et al. Studies of phase diagram of a liquid crystal with 4-[2-(3-Fluorophenyl)ethyl]biphenyl core of molecules. Act Phys Pol A. 2012;122(2):370–374.
   Web of Science ®Google Scholar
• Alaasar M, Tschierske C. Nematic phases driven by hydrogen-bonding in liquid crystalline nonsymmetric dimmers. Liq Cryst. 2015;42:1095–1101.
   Google Scholar
• Hong Chen W, Tsung Chuang W, Ser Jeng U, et al. New SmCG phases in a hydrogen-bonded bent-core liquid crystal featuring a branched siloxane terminal group. J Am Chem Soc. 2011;133(39):15674–15685.
   PubMed Web of Science ®Google Scholar
• Okumus M. synthesis and characterization of hydrogen bonded liquid crystal complexes by 4-octyloxy benzoic acid and some dicarboxylic acids. J Mol Liq. 2018;266:529–534.
   Web of Science ®Google Scholar
• Chou TR, Hsieh J, Chen WT, et al. Influence of particle size on the ion effect of TiO2 nanoparticle doped nematic liquid crystal cell. Jpn J Appl Phys. 2014;53(7):071701.
   Web of Science ®Google Scholar
• Vardanyana K, Waltona R, Sitaa D, et al. Study of pentyl-cyanobiphenyl nematic doped with gold nanoparticles. Liq Cryst. 2012;39(5):595–605.
   Web of Science ®Google Scholar
• Haraguchi F, Inouie K, Toshima N, et al. Reduction of the threshold voltages of nematic liquid crystal electrooptical devices by doping inorganic nanoparticles. Jpn J Appl Phys. 2007;46(34):L796–L797.
   Web of Science ®Google Scholar
• Yadav SP, Manohar R, Singh S. Effect of TiO2 nanoparticles dispersion on ionic behaviour in nematic liquid crystal. Liq Cryst. 2015;42(8):1095–1101.
   Web of Science ®Google Scholar
• Mishra M, Dabrowski RS, Vij JK, et al. Electrical and electro-optical parameters of 4ʹ-octyl-4-cyanobiphenyl nematic liquid crystal dispersed with gold and silver nanoparticles. Liq Cryst. 2015;42:1580–1590.
   Web of Science ®Google Scholar