311
Views
4
CrossRef citations to date
0
Altmetric
Article

New negative dielectric anisotropy liquid crystals based on benzofuran core

, , , , &
Pages 2313-2322 | Received 04 Jun 2020, Accepted 12 Jul 2020, Published online: 24 Jul 2020

References

  • Kirsch P, Bremer M. Nematic liquid crystals for active matrix displays: molecular design and synthesis. Angew Chem. 2000;39:4216–4235.
  • Goodby JW. The nanoscale engineering of nematic liquid crystals for displays. Liq Cryst. 2011;38:1363–1387.
  • Bremer M, Kirsch P, Klasen-Memmer M, et al. The TV in your pocket: development of liquid-crystal materials for the new millennium. Angew Chem Int Ed. 2013;52:8880–8896.
  • Ghosh T, Lehmann M. Recent advances in heterocycle-based metal-free calamitics. J Mater Chem C. 2017;5(47):12308–12337.
  • A J S, Pantalone K, U M S, et al. A new synthesis of alkylsulphanylnaphthalenes and the synthesis and mesomorphic properties of novel naphthylisothiocyanates. Liq Cryst. 2009;36:329–338.
  • Chen Q, Hird M. Synthesis, mesomorphic behaviour and optical anisotropy of some novel liquid crystals with lateral and terminal fluoro substituents and a 2,6-disubstituted naphthalene core. Liq Cryst. 2015;42:1–10.
  • Kozmik V, Rodinova E, Prausova T, et al. Mesogens with central naphthalene core substituted at various positions. Liq Cryst. 2018;45:746–756.
  • Yokokoji O, Shimizu K, Inoue S, et al. 5,6-Difluoro-1H-indene derivatives: novel core structure of liquid crystals with high Δn and Δϵ. Liq Cryst. 2009;36:1–6.
  • Bremer M, Lietzau L. 1, 1, 6, 7-Tetrafluoroindanes: improved liquid crystals for LCD-TV application. New J Chem. 2005;29:72–74.
  • M R F, K J T, J W G, et al. The synthesis and transition temperatures of 5-(4-alkyl- and 4-alkoxy-phenyl)-2-cyanobenzo[b]furans and a 5-(4ʹ’-alkylbiphenyl-4-yl)-2-cyanobenzo[b]furan: a comparison with their biphenyl and terphenyl analogues. Liq Cryst. 2001;28:901–912.
  • M R F, K J T, J W G, et al. The synthesis and transition temperatures of 2-(4-alkyl- and 4-alkoxy-phenyl)-5-cyano-1-benzofurans and related diaryl-1-benzofurans—an assessment of how deviations from linearity and conformational effects in a core unit affect mesogenicity. J Mate Chem. 2001;11:2759–2772.
  • A J S, K J T, J W G, et al. Synthesis, transition temperatures, and optical properties of various 2,6-disubstituted naphthalenes and related 1-benzothiophenes with butylsulfanyl and cyano or isothiocyanato terminal groups. J Mater Chem. 2000;10:2069–2080.
  • Xu Y, Chen X, Zhao F, et al. Synthesis and properties of substituted benzoxazole-terminated liquid crystals. Liq Cryst. 2013;40:197–215.
  • Shi D, Hu K, Chen P, et al. Improved nematic mesophase stability of benzoxazole-liquid crystals via modification of inter-ring twist angle of biphenyl unit. Liq Cryst. 2016;43:1397–1407.
  • Weng Q, Duan L, Chen P, et al. Synthesis and mesomorphic properties of benzoxazole derivatives with lateral multifluoro substituents. Liq Cryst. 2019;46:59–66.
  • Ren L, Duan L, Weng Q, et al. Synthesis and study the liquid crystalline properties of compounds containing benzoxazole core and terminal vinyl group. Liq Cryst. 2019;46:797–805.
  • Hu K, Weng Q, Chen R, et al. Benzoxazole-terminated liquid crystals with high birefringence and large dielectric anisotropy. Liq Cryst. 2020;47. DOI:10.1080/02678292.2019.1710777.
  • Weng Q, Duan LY, Chen P, et al. Synthesis and mesomorphic properties of the nematic mesophase benzoxazole derivatives with big twist angle of difluoro-biphenyl unit. Liq Cryst. 2019;46:1013–1023.
  • Ha S, Koh T, Lin H, et al. Heterocyclic benzothiazole-based liquid crystals: synthesis and mesomorphic properties. Liq Cryst. 2009;36:917–925.
  • Ha S, T M K, S L L, et al. Synthesis of new schiff base ester liquid crystals with a benzothiazole core. Liq Cryst. 2010;37:547–554.
  • Chakraborty BB, Anwar S, Das S, et al. Aggregation dependent fluorescence switching in benzothiazole derivative based H-bonded mesogen. Liq Cryst. 2018;45:1644–1653.
  • Ren LY, Duan LY, Weng Q, et al. Preparation and mesomorphic properties of 1-methyl-1H-benzimidazole-based compounds. Liq Cryst. 2019;46:131–137.
  • Dang JZ, Du SH, Ren LY, et al. Preparation and properties of 1-methyl-1H-benzimidazole-based mesogenic compounds incorporating ethynyl moiety. Liq Cryst. 2020;47. DOI:10.1080/02678292.2019.1710780.
  • Liau W, Su Y, Tseng H, et al. Synthesis and characterisation of liquid crystal molecules based on thieno [3,2-b] thiophene and their application in organic field-effect transistors. Liq Cryst. 2017;44:557–565.
  • Yang X, Mo L, Hu M, et al. New isothiocyanato liquid crystals containing thieno[3,2-b]thiophene central core. Liq Cryst. 2018;45:1294–1302.
  • Sekine C, Ishitobi M, Iwakura K, et al. Novel high birefringence dibenzothiophenylacetylene liquid crystals. Liq Cryst. 2002;29:355–367.
  • Iino H, Usui T, Hanna JI. Liquid crystals for organic thin-film transistors. Nat Commun. 2015;6:6828.
  • Sun K, Xiao Z, Lu S, et al. A molecular nematic liquid crystalline material for high-performance organic photovoltaics. Nat Commun. 2015;6:6013.
  • Li J, Che Z, Mo L, et al. 5,6-Difluorobenzofuran: A new core for the design of liquid crystal compound with large dielectric anisotropy and broad nematic range. Liq Cryst. 2020;47. DOI:10.1080/02678292.2020.1777473.
  • Imrie CT. Laterally substituted dimeric liquid crystals. Liq Cryst. 1989;6:391–396.
  • Chan TN, Lu ZB, Yam WS, et al. Non-symmetric liquid crystal dimers containing an isoflavone moiety. Liq Cryst. 2012;39:393–402.
  • Imrie CT. Non-symmetric liquid crystal dimers: how to make molecules intercalate. Liq Cryst. 2006;33:1449–1454.
  • Attard GS, Date RW, Imrie CT, et al. Non-symmetric dimeric liquid crystals the preparation and properties of the α-(4-cyanobiphenyl-4′-yloxy)-ω-(4-n-alkylanilinebenzylidene-4′-oxy) alkanes. Liq Cryst. 1994;16:529–581.
  • M J F, G W T, H B S, et al. Gaussian 09 (Revision D.01). Wallingford(CT): Gaussian, Inc; 2013.
  • Yun HJ, M H J, I W J, et al. Achieving high light efficiency and fast response time in fringe field switching mode using a liquid crystal with negative dielectric anisotropy. Liq Cryst. 2012;39:1141–1148.
  • Kang S, I W J, D H K, et al. Enhancing transmittance of fringe-field switching liquid crystal device by controlling perpendicular component of dielectric constant of liquid crystal. Jap J Appl Phys. 2014;53:010304.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.