Special Issue "Ionic Liquid Crystals"


A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: closed (30 July 2010)

Special Issue Editor

Guest Editor
Prof. Dr. Sabine Laschat
Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
Phone: xx49-(0)711-68564565
Fax: +49 (0)711 685 64285
Interests: liquid crystals; ionic liquids; total synthesis and biological activity of natural products; asymmetric synthesis; oxidation catalysis; enzymes in organic synthesis

Special Issue Information


Ionic liquids, i.e. molten salts with a melting point at or below room temperature have received increasing interest during the last decade as novel designer solvents and materials.[1] Due to their low volatility and adjustable physical properties such as polarity, miscibility and conductivity, which can be controlled by proper choice of anion and cation respectively, they are particularly attractive for both laboratory as well as industrial applications. Knight and Shaw discovered in 1938 the first ionic liquids with thermotropic mesophases.[2] Later Seddon and Bruce investigated the liquid crystalline phases of these amphiphilic N-alkyl-pyridinium salts in more detail.[3] The results have stimulated research endeavours into ionic liquid crystals by many groups, because the presence of charged species in a liquid crystalline phase gives access to unprecedented properties such as ionic conductivity. Ionic liquid crystals are useful electrolytes for dye-sensitized solar cells and anisotropic media for electrochemistry, being solvent, electrolyte and template at the same time.[4] Furthermore, the anionic and cationic moieties provide additional design parameters beyond mesogenic core structure and side chain. This special issue of Materials is devoted to recent research progress in the field of ionic liquid crystals.


[1] Reviews on ionic liquids: a) Ranke, J.; Stolte, S.; Stoermann, R.; Arning, J. Chem. Rev. 2007, 107, 2183-2206. b) Van Rautwijk, F.; Sheldon, R. A. Chem. Rev. 2007, 107, 2757-2785. c) Binnemans, K. Chem. Rev. 2007, 107, 2592-2614. d) Parvulescu, K. Chem. Rev. 2007, 107, 2615-2665. e) Imperato, G.; Koenig, B.; Chiappe, C. Eur. J. Org. Chem. 2007, 1049-1058. f) Riisager, A.; Fehrmann, R.; Haumann, M.; Wasserscheid, P. Top. Catal. 2006, 40, 91-102. g) Abbott, A. P.; McKenzie, K. J. Phys. Chem. Chem. Phys. 2006, 8, 4265-4279. h) Li, S.-G. Chem. Commun. 2006, 1049-1063. i) Baudequin, C.; Bregeon, D.; Levillain, J.; Guillen, F.; Plaquevent, J.-C.; Gaumont, A.-C. Tetrahedron Asym. 2005, 16, 3921-3945. j) Binnemans, K. Chem. Rev. 2005, 105, 4148-4204. k) Jain, N.; Kumar, A.; Chauhan, S.; Chauhan, S. M. S. Tetrahedron 2005, 61, 1015-1060. l) Welton, T. Coord. Chem. Rev. 2004, 248, 2459-2477. m) Wasserscheid, P.; Welton, T. (eds.); Ionic Liquids in Synthesis, Wiley-VCH, Berlin 2003.
[2] Knight, G. A.; Shaw, B. D. J. Chem. Soc. 1938, 682-683.
[3] a) Holbrey, J. D.; Seddon, K. R. J. Chem. Soc. Dalton Trans. 1999, 2133-2140. b) Gordon, C. M.; Holbrey, J. D.; Kennedy, A. R.; Seddon, K. R. J. Mater. Chem. 1998, 8, 2627-2636. c) Bowlas, C. J.; Bruce, D. W.; Seddon, K. R. Chem. Commun. 1996, 1625-1626.
[4] Yamanaka, N.; Kawano, R.; Kubo, W.; Kitamura, T.; Wada, T.; Watanabe, M.; Yanagida, S. Chem. Commun. 2005, 740-742.


  • task-specific ionic liquids
  • hybrid materials
  • supramolecular aggregates
  • metallomesogens
  • hydrogen-bonded liquid crystals
  • unconventional mesogens
  • molecular magnets
  • luminescent liquid crystals
  • ion transport materials
  • ionic self-assembly

Published Papers (1 paper)

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p. 206-259
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Materials 2011, 4(1), 206-259; doi:10.3390/ma4010206
Received: 17 December 2010 / Accepted: 27 December 2010 / Published: 14 January 2011
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Last update: 27 February 2014

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