Multi-arm ionic liquid crystals formed by cholesteric mesophase and pyridinium groups

References

• Marets N, Kuo D, Torrey JR, et al. Highly efficient virus rejection with self-organized membranes based on a crosslinked bicontinuous cubic liquid crystal. Adv Healthc Mater. 2017;6:1–6.
   Web of Science ®Google Scholar
• Laschat S, Baro A, Steinke N, et al. Discotic liquid crystals: from tailor-made synthesis to plastic electronics. Angew Chem Internat Edit. 2010;46:4832–4887.
   Google Scholar
• Xiao SF, Lu XM, Lu QH. Photosensitive polymer from ionic self-assembly of azobenzene dye and poly(ionic liquid) and its alignment characteristic toward liquid crystal molecules. Macromolecules. 2007;40:7944–7950.
   Web of Science ®Google Scholar
• Faul CFJ, Antonietti M. Ionic self-assembly: facile synthesis of supramolecular materials. Adv Mater. 2010;15:673–683.
   Google Scholar
• Xiao SF, Lu XM, Lu QH, et al. Photosensitive liquid-crystalline supramolecules self-assembled from ionic liquid crystal and polyelectrolyte for laser-induced optical anisotropy. Macromolecules. 2008;41:3884–3892.
   Web of Science ®Google Scholar
• Zakrevskyy Y, Faul C, Guan Y, et al. Alignment of a perylene-based ionic self-assembly complex in thermotropic and lyotropic liquid-crystalline phases. Adv Funct Mater. 2004;14:835–841.
   Web of Science ®Google Scholar
• Guan Y, Zakrevskyy Y, Stumpe J, et al. Perylenediimide-surfactant complexes: thermotropic liquid-crystalline materials via ionic self-assembly. Chem Commun. 2003;7:894–895.
   Google Scholar
• Meng FB, Zhang BY, Liu LM, et al. Liquid-crystalline elastomers produced by chemical crosslinking agents containing sulfonic acid groups. Polymer. 2003;44:3935–3943.
   Web of Science ®Google Scholar
• Chen S, Eichhorn SH. Ionic discotic liquid crystals. ISR J Chem. 2012;52:830–843.
   Web of Science ®Google Scholar
• Axenov KV, Laschat S. Thermotropic ionic liquid crystals. Materials. 2011;4:206–259.
   PubMed Web of Science ®Google Scholar
• Kouwer PHJ, Swager TM. Synthesis and mesomorphic properties of rigid-core ionic liquid crystals. J Am Chem Soc. 2007;129:14042–14052.
   PubMed Web of Science ®Google Scholar
• Binnemans K. Ionic liquid crystals. Chem Rev. 2005;37:4148–4204.
   Google Scholar
• Goossens K, Lava K, Bielawski CW, et al. Ionic liquid crystals: versatile materials. Chem Rev. 2016;116:4643–4807.
   PubMed Web of Science ®Google Scholar
• Antill LM, Neidhardt MM, Kirres J, et al. Ionic liquid crystals derived from guanidinium salts: induction of columnar mesophases by bending of the cationic core. Liq Cryst. 2014;41:976–985.
   Web of Science ®Google Scholar
• Mansueto M. Ionic liquid crystals. In: Goodby J, Collings PJ, Kato T, editors. Handbook of liquid crystals (2nd ed.) volume 6. Nanostructured and amphiphilic liquid crystals, partII. Amphiphilic liquid crystals. Weinheim: Wiley-VCH Verlag GmbH & Co. KGaA; 2014. p. 231–280.
   Google Scholar
• Marcos M, Martínrapún R, Omenat A, et al. Ionic liquid crystal dendrimers with mono-, di- and trisubstituted benzoic acids. Chem Mater. 2006;18:1368–1377.
   Web of Science ®Google Scholar
• Yuichiro H, Tomomi M, Masato N, et al. Liquid crystal properties of new ionic liquid crystal compounds having a 1,3-dioxane ring. Liq Cryst. 2002;29:87–90.
   Web of Science ®Google Scholar
• Wang XD, Bai L, Tang XQ, et al. Ionic liquid-crystalline network polymers formed by sulfonic acid-containing polysiloxanes and pyridinium compounds. Eur Polym J. 2018;100:146–152.
   Web of Science ®Google Scholar
• Zhang A-L, Cao F-Y, Na G-Z, et al. A novel PEO-based blends solid polymer electrolytes doping liquid crystalline ionomers. Ionics. 2016;22:2103–2112.
   Web of Science ®Google Scholar
• Liu C, Tan Y, Li CQ, et al. Enhanced power-conversion efficiency in inverted bulk heterojunction solar cells using liquid-crystal-conjugated polyelectrolyte interlayer. ACS Appl Mater Inter. 2015;7:19024–19033.
   PubMed Web of Science ®Google Scholar
• Yan M, Tang J, Xie H-L, et al. Self-healing and phase behavior of liquid crystalline elastomer based on a block copolymer constituted of a side-chain liquid crystalline polymer and a hydrogen bonding block. J Mater Chem C. 2015;3:8526–8534.
   Web of Science ®Google Scholar
• Pal K, Mohan MLNM, Zhan BH, et al. Design, synthesis and application of hydrogen bonded smectic liquid crystal matrix encapsulated ZnO nanospikes. J Mater Chem C. 2015;3:11907–11917.
   Web of Science ®Google Scholar
• Jazkewitsch O, Ritter H. Polymerizable ionic liquid crystals. Macromol Rapid Commun. 2009;30:1554–1558.
   PubMed Web of Science ®Google Scholar
• Asaftei S, Ciobanu M, Maria A, et al. Thermotropic ionic liquid crystals by molecular assembly and ion pairing of 4,4ʹ-bipyridinium derivatives and tris(dodecyloxy)benzenesulfonates in a non-polar solvent. J Mater Chem. 2012;22:14426–14437.
   Web of Science ®Google Scholar
• Franke D, Vos M, Antonietti M, et al. Induced supramolecular chirality in nanostructured materials: ionic self-assembly of perylene-chiral surfactant complexes. Chem Mater. 2006;18:1839–1847.
   Web of Science ®Google Scholar
• Magdalene R, Schenkel MR, Shao R, et al. New ionic organic compounds containing a linear tris(imidazolium) core and their thermotropic liquid crystal behaviour. Liq Cryst. 2013;40:1067–1081.
   Web of Science ®Google Scholar
• Pană A, Iliş M, Staicu T, et al. Columnar bis(pyridinium) ionic liquid crystals derived from 4-hydroxypyridine: synthesis, mesomorphism and emission properties. Liq Cryst. 2016;43:381–392.
   Web of Science ®Google Scholar
• Lehmann M. Star-shaped mesogens – hekates: the most basic star structure with three branches. Top Curr Chem. 2011;318:193–223.
   Web of Science ®Google Scholar
• Lehmann M, Jahr M, Donnio B, et al. Star-shaped oligobenzoates: non-conventional mesogens forming columnar helical mesophases. Chemistry. 2008;14:3562–3576.
   PubMed Web of Science ®Google Scholar
• Weber CHM, Liu F, Zeng X-B, et al. Body-centered cubic phase in 3-arm star mesogens: a torsional tapping AFM and GISAXS study. Soft Matter. 2010;6:5390.
   Web of Science ®Google Scholar
• Tian M, Zhang BY, Cong YH, et al. Cholesteric star-shaped liquid crystals induced by a maltose core: synthesis and characteristics. Liq Cryst. 2009;37:1373–1379.
   Web of Science ®Google Scholar
• Yao DS, Zhang BY, Zhang WW, et al. A new class of star-shaped cholesteric liquid crystal containing a 1,3,5-trihydroxybenzene unit as a core. J Mol Struct. 2008;881:83–89.
   Web of Science ®Google Scholar
• Lehmann M, Maier P, Grune M, et al. Crowded star mesogens: guest-controlled stability of mesophases from unconventional liquid-crystal molecules. Chem Eur J. 2017;23:1060–1068.
   PubMed Web of Science ®Google Scholar
• Obsiye A, Wöhrle T, Haenle JC, et al. Dendrimeric triphenylbenzenes: helical versus zig-zag arrangement in columnar mesophases. Liq Cryst. 2017;45:164–172.
   Web of Science ®Google Scholar
• Nguyen ML, Kim H-J, Cho B-K. Peripheral chain length-dependent complex phase behaviour in C3-symmetric hexa-alkylated liquid crystals. Liq Cryst. 2018;45:1196–1209.
   Web of Science ®Google Scholar
• Olate FA, Parra ML, Vergara JM, et al. Star-shaped molecules as functional materials based on 1,3,5-benzenetriesters with pendant 1,3,4-thiadiazole groups: liquid crystals, optical, solvatofluorochromic and electrochemical properties. Liq Cryst. 2017;44(7):1173–1184.
   Web of Science ®Google Scholar
• Yuan W, Shen T, Liu X, et al. Star-shaped inorganic-organic hybrid polymers with polyhedral oligomeric silsesquioxane core: synthesis, self-assembly and tunable thermoresponse. Mater Lett. 2013;111:9–12.
   Web of Science ®Google Scholar
• Kasko AM, Pugh C. Comparison of the thermotropicand solution behavior of six-arm star and comb poly[11-(4ʹ-cyanophenyl-4ʹ’-phenoxy)undecyl acrylate]s. Macromolecules. 2009;39(20):6800–6810.
   Google Scholar
• Lehmann M. Star mesogens (Hekates)-tailor-made molecules for programming supramolecular functionality. Chem Eur J. 2009;15:3638–3651.
   PubMed Web of Science ®Google Scholar
• Roth S, Lehmann M. Mesogenic origami – four-armed, star-shaped mesogens as precursors for functional liquid crystal materials. Liq Cryst. 2017;44:1–22.
   Web of Science ®Google Scholar
• Meier H, Lehmann M, Holst HC, et al. Star-shaped conjugated compounds forming nematic discotic systems. Tetrahedron. 2004;60:6881–6888.
   Web of Science ®Google Scholar
• Yao DS, He J, Li GH, et al. Synthesis and mesomorphism of novel star-shaped liquid crystals containing donor-acceptor groups. Appl Mech Mater. 2013;395:72–75.
   Google Scholar
• Kumar S, Kumar S, Tschierske C, et al. Synthesis and photoswitching properties of bent-shaped liquid crystals containing azobenzene monomers. Liq Cryst. 2009;36:397–407.
   Web of Science ®Google Scholar
• Imrie CT, Henderson PA. Liquid crystal dimers and higher oligomers: between monomers and polymers. Chem Soc Rev. 2007;36(12):2096.
   PubMed Web of Science ®Google Scholar
• Attard GS, Dave JS, Wallington A, et al. Transitional properties of liquid-crystalline side-chain polymers derived from poly(p-hydroxystyrene). Macromol Chem Phys. 1991;192(7):1495–1508.
   Web of Science ®Google Scholar
• Imrie CT, Luckhurst GR, Demus D, et al. Liquid crystal dimers and oligomers. Curr Opin Colloid In. 2002;7(5):298–311.
   Web of Science ®Google Scholar
• Attard GS, Imrie CT. Trimeric liquid crystals containing lateral alkyl chains. Liq Cryst. 1989;6:387–390.
   Web of Science ®Google Scholar
• Attard GS, Douglass AG, Imrie CT, et al. Liquid-crystalline cyclic trimers derived from benzene-1,3,5-tricarboxylic acid. Liq Cryst. 1992;11:779–784.
   Web of Science ®Google Scholar
• 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. 2006;16:529–581.
   Google Scholar
• Imrie CT, Lu ZB, Picken SJ, et al. Oligomeric rod-disc nematic liquid crystals. Chem commun. 2007;12:1245–1247.
   PubMed Web of Science ®Google Scholar
• Imrie CT, Henderson PA, Yeap G-Y. Liquid crystal oligomers: going beyond dimers. Liq Cryst. 2009;36:755–777.
   Web of Science ®Google Scholar
• Wang G, Xiong Y, Tang H. Synthesis and characterisation of star-shaped liquid crystalline polymer with a POSS core. Liq Cryst. 2015;42:1–10.
   Web of Science ®Google Scholar
• Zhao DY, Zhang L, Bai L, et al. Synthesis and characterization of liquid-crystalline ionomers with pendant cholesteryl pyridinium salt mesogens. RSC Adv. 2016;6:26791–26799.
   Web of Science ®Google Scholar
• Robertson LA, Gin DL. Effect of an n-alkoxy-2,4-hexadiene polymerizable tail system on the mesogenic properties and cross-linking of mono-imidazolium-based ionic liquid crystal monomers. Acs Macro Lett. 2016;5:844–848.
   Web of Science ®Google Scholar
• Pana A, Badea FL, Ilis M, et al. Effect of counterion on the mesomorphic behavior and optical properties of columnar pyridinium ionic liquid crystals derived from 4-hydroxypyridine. J Mol Struct. 2015;1083:245–251.
   Web of Science ®Google Scholar
• Luo JQ, Zhang L, Lu JM, et al. Polymerised ionic liquid crystals bearing imidazolium and bipyridinium groups. Liq Cryst. 2017;44:1–13.
   Web of Science ®Google Scholar
• Axenov KV, Laschat S. Thermotropic ionic liquid crystals. Materials. 2011;4:206−259.
   PubMed Web of Science ®Google Scholar
• Pană A, Iliş M, Micutz M, et al. Liquid crystals based on silver carbene complexes derived from dimeric bis(imidazolium) bromide salts. RSC Adv. 2014;4:59491–59497.
   Web of Science ®Google Scholar
• Yousif Y, Othman A, Al-Masoudi W, et al. Some novel cholesteric liquid crystals. Liq Cryst. 1992;12:363–368.
   Web of Science ®Google Scholar
• Antharjanam PKS, Ajay Mallia V, Das S. Novel Azopyridine-containing silver mesogens: synthesis, liquid-crystalline, and photophysical properties. Chem Mater. 2002;14:2687–2692.
   Web of Science ®Google Scholar
• Ma S, Li X, Bai L, et al. Synthesis and characterization of imidazolium-based polymerized ionic liquid crystals containing cholesteryl mesogens. Colloid Polym Sci. 2015;293:1–12.
   Web of Science ®Google Scholar
• Pal SK, Kumar S. Microwave-assisted synthesis of novel imidazolium-based ionic liquid crystalline dimers. Tetrahedron Lett. 2006;47:8993–8997.
   Web of Science ®Google Scholar
• Goossens K, Nockemann P, Driesen K, et al. Imidazolium ionic liquid crystals with pendant mesogenic groups. Chem Mater. 2008;20:157−168.
   Web of Science ®Google Scholar
• Li X, Lan X, Ma S, et al. Synthesis and characterisation of imidazolium-based ionic liquid crystals bearing a cholesteryl mesogenic group. Liq Cryst. 2014;41:1843–1853.
   Web of Science ®Google Scholar
• Bai L, Tang X, Gao Y, et al. Self-assembly of liquid crystalline polyethyleneimines bearing cholesteryl mesogens and ionic groups. New J Chem. 2018;42:3236–3245.
   Web of Science ®Google Scholar
• Felekis T, Felekis T, Sideratou Z, et al. Ionic liquid crystals derived from the protonation of poly(propylene imine) dendrimers with a cholesterol-based carboxylic acid. Liq Cryst. 2004;31:739–744.
   Web of Science ®Google Scholar
• Ma S, Li X, Bai L, et al. Synthesis and characterization of imidazolium-based polymerized ionic liquid crystals containing cholesteryl mesogens. Colloid Polym Sci. 2015;293:2257–2268.
   Web of Science ®Google Scholar
• Cornil J, Lemaur V, Calbert JP, et al. Charge transport in discotic liquid crystals: a molecular scale description. Adv Mater. 2010;14:726–729.
   Google Scholar
• Lemaur V, Da SFD, Coropceanu V, et al. Charge transport properties in discotic liquid crystals: a quantum-chemical insight into structure-property relationships. J Am Chem Soc. 2004;126:3271–3279.
   PubMed Web of Science ®Google Scholar