Photoswitching of ferroelectric liquid crystals using unsymmetrical chiral thioindigo dopants: Photoinduced inversion of the sign of spontaneous polarization

Advanced Functional Materials

Volumn 14, Issue 7, 2004, Pages 637-642

  Vlahakis, Jason Z ^a   Wand, Michael D ^b   Lemieux, Robert P ^a  

^a QUEEN S UNIVERSITY   (Canada)

^b Displaytech Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIREFRINGENCE; DOPING (ADDITIVES); ELECTRIC FIELDS; ELECTROOPTICAL DEVICES; FERROELECTRIC MATERIALS; MAGNETIC FIELDS; NEMATIC LIQUID CRYSTALS; NONLINEAR OPTICS; POLARIZATION; SPECTROSCOPIC ANALYSIS; THIN FILMS;

ELECTRO-OPTICAL SWITCHING; PHOTOISOMERIZATION; PHOTOMODULATION; PHOTOSWITCHING;

SMECTIC LIQUID CRYSTALS;

EID: 3843146081     PISSN: 1616301X     EISSN: None     Source Type: Journal    
DOI: 10.1002/adfm.200400039     Document Type: Article

References (36)

1. I. C. Sage, in Handbook of Liquid Crystals, Vol. 1 (Eds: D. Demus, J. W. Goodby, G. W. Gray, H.-W. Spiess, V. Vill), Wiley-VCH, Weinheim, Germany 1998, p. 731.
2. G. W. Gray, J. W. Goodby, Smectic Liquid Crystals, Leonard Hill, London 1984.
3. S. T. Lagerwall, Ferroelectric and Antiferroelectric Liquid Crystals, Wiley-VCH, Weinheim, Germany 1999.
4. D. M. Walba, Science 1995, 270, 250.
5. J. W. Goodby, R. Blinc, N. A. Clark, S. T. Lagerwall, M. A. Osipov, S. A. Pikin, T. Sakurai, K. Yoshino, B. Zeks, Ferroelectric Liquid Crystals: Principles, Properties and Applications, Gordon & Breach, Philadelphia, PA 1991.
6. R. B. Meyer, L. Liebert, L. Strzelecki, P. Keller, J. Phys., Lett. 1975, 36, L69.
7. D. M. Walba, in Advances in the Synthesis and Reactivity of Solids, Vol. 1 (Ed: T. E. Mallouck), JAI Press, Greenwich, CT 1991, p. 173.
8. J. W. Goodby, E. Chin, T. M. Leslie, J. M. Geary, J. S. Patel, J. Am. Chem. Soc. 1986, 108, 4729.
9. J. W. Goodby, E. Chin, J. Am. Chem. Soc. 1986, 108, 4736.
10. N. A. Clark, S. T. Lagerwall, Appl. Phys. Lett. 1980, 36, 899.
11. G. Moddel, in Spatial Light Modulator Technology: Materials, Devices and Applications (Ed: U. Efron), Marcel Dekker, New York 1995, p. 287.
12. W. A. Crossland, T. D. Wilkinson, in Handbook of Liquid Crystals, Vol. 1 (Eds: D. Demus, J. W. Goodby, G. W. Gray, H.-W. Spiess, V. Vill), Wiley-VCH, Weinheim, Germany 1998, p. 763.
13. T. Ikeda, A. Kanazawa, in Molecular Switches (Ed: B. L. Feringa), Wiley-VCH, Weinheim, Germany 2001, p. 363.
14. H. G. Walton, H. J. Coles, D. Guillon, G. Poeti, Liq. Cryst. 1994, 17, 333.
15. L. M. Blinov, M. V. Kozlovsky, K. Nakayama, M. Ozaki, K. Yoshino, Jpn. J. Appl. Phys. Part 1 1996, 35, 5405.
16. T. Oge, R. Zentel, Macromol. Chem. Phys. 1996, 197, 1805.
17. A. Langhoff, F. Giesselmann, Ferroelectrics 2000, 244, 283.
18. L. Komitov, O. Tsutsumi, C. Ruslim, T. Ikeda, K. Ichimura, K. Yoshino, J. Appl. Phys. 2001, 89, 7745.
19. K. E. Maly, M. D. Wand, R. P. Lemieux, J. Am. Chem. Soc. 2002, 124, 7898.
20. L. Dinescu, K. E. Maly, R. P. Lemieux, J. Mater. Chem. 1999, 9, 1679.
21. B. Saad, L. Dinescu, R. P. Lemieux, T. V. Galstyan, Appl. Phys. Lett. 1998, 73, 279.
22. L. Dinescu, R. P. Lemieux, Adv. Mater. 1999, 11, 42.
23. L. Dinescu, R. P. Lemieux, Liq. Cryst. 1996, 20, 741.
24. For a preliminary communication, see: J. Z. Vlahakis, M. D. Wand, R. P. Lemieux, J. Am. Chem. Soc. 2003, 125, 6862.
25. An analogous concept has been used by Green and co-workers in polyisocyanates with structurally different chiral side-chains which compete to control the helical sense of the polymer chain. K. Tang, M. M. Green, K. S. Cheon, J. V. Selinger, B. A. Garetz, J. Am. Chem. Soc. 2003, 125, 7313.
26. D. M. Walba, M. B. Ros, N. A. Clark, R. Shao, M. G. Robinson, J.-Y. Liu, K. J. Johnson, D. Doroski, J. Am. Chem. Soc. 1991, 113, 5471.
27. W. N. Thurmes, M. D. Wand, R. T. Vohra, K. M. More, D. M. Walba, Liq. Cryst. 1993, 14, 1061.
28. J. Z. Vlahakis, K. E. Maly, R. P. Lemieux, J. Mater. Chem. 2001, 11, 2459.
29. a) K. Siemensmeyer, H. Stegemeyer, Chem. Phys. Lett. 1988, 148, 409.
30. b) W. Kuczynski, H. Stegemeyer, Chem. Phys. Lett. 1980, 70, 123.
31. J. Z. Vlahakis, Ph. D. Thesis, Queen's University. Kingston, Ontario 2003.
32. L. Collins-Gold, D. Mobius, D. G. Whitten, Langmuir 1986, 2, 191.
33. W. J. Harrison, D. L. Mateer, G. J. T. Tiddy, J. Phys. Chem. 1996, 100, 2310.
34. M. Schonhoff, M. Mertesdorf, M. Losche, J. Phys. Chem. 1996, 100, 7558.
35. P. Keller, Ferroelectrics 1984, 58, 3.
36. K. Miyasato, S. Abe, H. Takezoe, A. Fukuda, E. Kuze, Jpn. J. Appl. Phys. Part 2 1983, 22, L661.