Liquid-crystalline gels exhibiting electrooptical light scattering properties: Fibrous polymerized network of a lysine-based gelator having acrylate moieties

Polymer Journal

Volumn 44, Issue 6, 2012, Pages 594-599

  Eimura, Hiroki ^a   Yoshio, Masafumi ^a   Shoji, Yoshiko ^a   Hanabusa, Kenji ^b   Kato, Takashi ^a  

^a UNIVERSITY OF TOKYO   (Japan)

^b SHINSHU UNIVERSITY   (Japan)

Author keywords

electrooptical properties; gel; gelator; hydrogen bond; liquid crystal; photopolymerization; self assembly

Indexed keywords

BISUREA; DRIVING VOLTAGES; ELECTRO-OPTICAL SWITCHING; ELECTROOPTICAL PROPERTIES; FIBROUS STRUCTURES; GELATORS; ISOTROPIC PHASE; ISOTROPIC-NEMATIC TRANSITIONS; LIQUID-CRYSTALLINE GELS; MICROPHASE-SEPARATED STRUCTURE; NEMATIC LC; SCATTERING PROPERTY;

ELECTROOPTICAL MATERIALS; GELS; HYDROGEN BONDS; LIGHT SCATTERING; LIQUID CRYSTALS; MOLECULES; NEMATIC LIQUID CRYSTALS; PHOTOPOLYMERIZATION; POLYMERIZATION; SELF ASSEMBLY;

AMINO ACIDS;

EID: 84861921969     PISSN: 00323896     EISSN: 13490540     Source Type: Journal    
DOI: 10.1038/pj.2012.21     Document Type: Article

References (30)

1. Demus, D., Goodby, J. W., Gray, G. W., Spiess, H.-W. & Vill, V. Handbook of Liquid Crystals (Wiley-VCH, Weinheim, Germany (1998).
2. Kato, T., Mizoshita, N., Moriyama, M. & Kitamura, T. Gelation of liquid crystals with self-assembled fibers. Curr. Top. Chem. (Berlin) 256, 219-236 (2005). (Pubitemid 44420819)
3. Kato, T., Hirai, Y., Nakaso, S. & Moriyama, M. Liquid-crystalline physical gels. Chem. Soc. Rev. 36, 1857-1867 (2007).
4. Kato, T., Kutsuna, T., Hanabusa, K. & Ukon, M. Gelation of room-temperature liquid crystals by the association of a trans-1, 2-bis(amino)cyclohexane derivative. Adv. Mater. 10, 606-608 (1998). (Pubitemid 128542886)
5. Mizoshita, N., Hanabusa, K. & Kato, T. Self-aggregation of a amino acid derivative as aroute to liquid crystalline physical gels-faster response to electric field. Adv. Mater. 11, 392-394 (1999).
6. Mizoshita, N., Hanabusa, K. & Kato, T. Fast and high-contrast electro-optical switching of liquid crystalline physical gels: formation of oriented microphase-separated structures. Adv. Funct. Mater 13, 313-317 (2003).
7. Mizoshita, N., Suzuki, Y., Kishimoto, K., Hanabusa, K. & Kato, T. Electrooptical properties of liquid crystalline gels: new oligo(amino acid) gelator for light scattering display materials. J. Mater Chem. 12, 2197-2201 (2002).
8. Suzuki, Y., Mizoshita, N., Hanabusa, K. & Kato, T. Homeotropically oriented nematic physical gels for electrooptical materials. J. Mater Chem. 13, 2870-2874 (2003).
9. Cardinaels, T., Hirai, Y., Hanabusa, K., Binnemans, K. & Kato, T. Europium(III)-doped liquid-crystalline physical gels. J. Mater Chem. 20, 8571-8574 (2010).
10. Hirai, Y., Mizoshita, M., Moriyama, M. & Kato, T. Self-assembled fibers photopoymerized in nematic liquid crystals: stable electrooptical switching in light-scattering mode. Langmuir 25, 8423-8427 (2009).
11. van Boxtel, M. C. W., Janssen, R. H. C., Broer, D. J., Wilderbeek, H. T. A. & Bastiaansen, C. W. M. Polymer-filled nematics: a new class of light-scattering materials for electro-optical switches. Adv. Mater. 12, 753-757 (2000).
12. Yoshikawa, H., Maeda, K., Shiraishi, Y., Xu, J., Shiraki, H., Toshima, N. & Kobayashi, S. Frequency modulation response of a tunable birefrigient mode nematic liquid crystal electooptic device fabricated by doping nanoparticles of Pd covered with liquid crystal molecules. Jpn. J. Appl. Phys., Part 2 41, L1315-L1317 (2000).
13. Baars, M. W. P. L., van Boxtel, M. C. W., Bastiaansen, C. W. M., Broer, D. J., Söntjens, S. H. M. & Meijer, E. W. A scattering electro-optical switch based on dendrimers dispersed in liquid crystals. Adv. Mater. 12, 715-719 (2000).
14. Crawford, G. P. & Zumer, S. Liquid crystal in complex geometries formed by polymer and porous networks (Taylor & Francis, London (1996).
15. Yang, D.-K., Chen, L.-C. & Doane, J. W. Cholesteric liquid crystal/polymer dispersion for hazefree light shutters. Appl. Phys. Lett. 60, 3102-3104 (1992).
16. Kajiyama., T., Miyamoto, A., Kikuchi., H. & Morimura, Y. Aggregation states and electro-optical properties based on light scattering of polymer/(liquid crystal) composite films. Chem. Lett. 813-816 (1989).
17. Suzuki, M. & Hanabusa, K. L-Lysine-based low-molecular-weight gelators. Chem. Soc. Rev. 38, 967-975 (2009).
18. Hanabusa, K., Nakayama, H., Kimura, M. & Shirai, H. Easy preparation and prominent gelation of new gelator based on L-lysine. Chem. Lett. 29, 1070-1071 (2000).
19. Hardy, J. G., Hirst, A. G., Ashworth, I., Brennan, C. & Smith, D. K. Exploring molecular recognition pathways within a family of gelators with different hydrogen bonding motifs. Tetrahedron 63, 7397-7406 (2007). (Pubitemid 46935272)
20. Edwards, W., Lagadec, C. A. & Smith, D. K. Solvent-gelator interactions-using empirical solvent parameters to better understand the self-assembly of gel phase materials. Soft Mater 7, 110-117 (2011).
21. Shioiri, T., Ninomiya, S. & Yamada, S. Diphenylphosphoryl azide. A new convenient reagent for a modified Curtius reaction and for peptide synthesis. J. Am. Chem. Soc. 94, 6203-6205 (1972).
22. de Loos, M., van Esch, J., Stokroos, I., Kellogg, R. M. & Feringa, B. L. Remarkable stabilization of self-assembled organogels by polymerization. J. Am. Chem. Soc. 119, 12675-12676 (1997).
23. Masuda, M., Hanada, T., Yase, K. & Simizu, T. Polymerization of bolaform butadiyne 1-glucosamide in self-assembled nanoscale-fiber morphology. Macromolecules 31, 9403-9405 (1998).
24. Inoue, K., Ono, Y., Kanekiyo, Y., Hanabusa, K. & Shinkai, S. Preparation of new robust organic gels by in situ cross-link of a bis(diacetylene) gelator. Chem. lett. 429-430 (1999).
25. Tamaoki, N., Shimada, S., Okada, Y., Belaissaoui, A., Kruk, G., Yase, K. & Matsuda, H. Polymerization of a diacetylene dicholeesteryl ester having two urethanes in organic gel states. Langmuir 16, 7545-7545 (2000).
26. Wang, G. & Hamilton, A. D. Synthesis and Self-assembly properties of polymerizable organogelators. Chem. Eur. J. 8, 1954-1961 (2002). (Pubitemid 34438327)
27. Kishida, T, Fujita, N., Sada, K. & Shinkai, S. Sol-gel reaction of porphyrin-based superstructure in the organogel phase: creation of mechanically reinforced porphyrin hybrids. J. Am. Chem. Soc. 127, 7298-7299 (2005). (Pubitemid 40746001)
28. Mizoshita, N. & Kato, T. Liquid-crystal composite of photopolymerized self-assembled fibers and aligned smectic molecules. Adv. Funct. Mater. 16, 2218-2224 (2006).
29. Moffat, J. R., Coates, I. A., Leng, F. J. & Smith, D. K. Methathesis within selfassembled gels: Transcribing nanostructured soft materials into a more robust form. Langmuir 25, 8786-8793 (2009).
30. Decker, C. & Moussa, K. A new method of monitoring ultra-fast photopolymerizations by real-time infra-red (RTIR) spectroscopy. Macromol. Chem. 189, 2381-2394 (1988).