Broadband reflection in polymer stabilized cholesteric liquid crystal cells with chiral monomers derived from cholesterol

Polymers for Advanced Technologies

Volumn 19, Issue 11, 2008, Pages 1504-1512

  Guo, Jinbao ^a   Sun, Jie ^a   Zhang, Lipei ^a   Li, Kexuan ^a   Cao, Hui ^a   Yang, Huai ^a   Zhu, Siquan ^b  

^a UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING   (China)

^b CAPITAL MEDICAL UNIVERSITY   (China)

Author keywords

Broadband reflection; Chiral; Morphology; Network; Photopolymerization

Indexed keywords

CHEMICAL REACTIONS; CHOLESTERIC LIQUID CRYSTALS; LIGHT SOURCES; LIQUID CRYSTALS; METROPOLITAN AREA NETWORKS; MONOMERS; NEMATIC LIQUID CRYSTALS; OPTICAL FILTERS; PHOTOPOLYMERIZATION; PHOTORESISTS; POLYMER MATRIX COMPOSITES; POLYMERIZATION; POLYMERS; REFLECTION; SCANNING ELECTRON MICROSCOPY; STEREOCHEMISTRY; TELECOMMUNICATION SYSTEMS;

ACHIRAL MONOMERS; BEFORE AND AFTER; BROADBAND REFLECTION; CHIRAL; CHIRAL CENTERS; CHIRAL POLYMERS; CHOLESTERYL MOIETIES; CROSSLINKING REACTIONS; FLEXIBLE SPACERS; HELIX PITCHES; NETWORK; POLYMER BACKBONES; POLYMER NETWORKS; POLYMER STABILIZED; POLYMERIZATION CONDITIONS; REFLECTANCE PROPERTIES; REFLECTION BANDS; REFLECTION SPECTRUMS; SEPARATED WELLS; SPACER LENGTHS; TEMPERATURE DEPENDENCES;

LIQUID CRYSTAL POLYMERS;

COMPOSITE; CROSS LINKING; MONOMER; POLYMERIZATION; REFLECTIVE PROPERTY; SYNTHESIS; TEMPERATURE;

EID: 58149131588     PISSN: 10427147     EISSN: 10991581     Source Type: Journal    
DOI: 10.1002/pat.1155     Document Type: Article

References (26)

1. Hikmet RAM, Polesso R. Patterned multicolor switchable cholesteric liquid crystal gels. Adv. Mater. 2002; 14: 502-504.
2. Dierking I. Polymer network-stabilized liquid crystals. Adv. Mater. 2000; 12: 167-181.
3. Dierking I. Fractal and non-fractal structure property relationships of polymer stabilized liquid crystal. Adv. Funct. Mater. 2004; 14: 883-890.
4. Liu JH, Hung HJ, Wu DS, Hong SM. Preparation and electro-optical behaviors of polymer stabilized liquid crystal cells with chiral matrices derived from (-)-camphor. J. Appl. Polym. Sci. 2005; 98: 88-96.
5. Xianyu HQ, Lin TH, Wu ST. Rollable multicolor display using electrically induced blueshift of a cholesteric reactive mesogen mixture. Appl. Phys. Lett. 2006; 89: 091124(1)-(3).
6. Hikmet RAM, Kemperman H. Switchable mirrors of chiral liquid crystal gels. Liq. Cryst. 1999; 26: 1645-1653.
7. Hikmet RAM, Kemperman H. Electrically switchable mirrors and optical components made from liquid-crystal gels. Nature 1998; 392: 476-479.
8. De Gennes PG, Prost J. The Physics of Liquid Crystals, Vol. 83. Oxford University Press: New York, 1993.
9. Dunmur D, Toriyama K. Physical Properties of Liquid Crystals. Wiley-VCH: Weinheim, 1999.
10. Broer DJ, Lub J, Mol GN. Wide-band reflective polarizers from cholesteric polymer networks with a pitch gradient. Nature 1995; 378: 467-469.
11. Broer DJ, Mol GN. Photo-induced diffusion in polymerizing chiral-nematic media. Adv. Mater. 1999; 11: 573-578.
12. Binet C, Mitov M, Mauzac M. Switchable broadband light reflection in polymer-stabilized cholesteric liquid crystals. J. Appl. Phys. 2001; 90: 1730-1734.
13. Mitov M, Nouvet E, Dessaud N. Polymer-stabilized cholesteric liquid crystals as switchable photonic broad bandgaps. Eur. Phys. J. E 2004; 15: 413-419.
14. Mitov M, Dessaud N. Going beyond the reflectance limit of cholesteric liquid crystals. Nat. Mater. 2006; 5: 361-364.
15. Yang H, Mishima K, Matsuyama K, Hayashi KI, Kikuchi H, Kajiyama T. Thermally bandwidth-controllable reflective polarizers from (polymer network/liquid crystal/chiral dopant) composites. Appl. Phys. Lett. 2003; 82: 2407-2409.
16. Xiao JM, Zhao DY, Cao H, Yang H. New micro-structure designs of a wide band reflective polarizer with a pitch gradient. Liq. Cryst. 2007; 34: 473-477.
17. Xiao JM, Cao H, Yang H. Wide-band reflective polarizers from cholesteric liquid crystals with stable optical properties. J. Appl. Polym. Sci. 2007; 105: 2973-2977.
18. Lavernhe A, Mitov M, Binne C, Bourgerette C. How to broaden the light reflection band in cholesteric liquid crystals? A new approach based on polymorphism. Liq. Cryst. 2001; 28: 803-807.
19. Relaix S, Bourgerette C, Mitov M. Broadband reflective liquid crystalline gels due to the ultraviolet light screening made by the liquid crystal. Appl. Phys. Lett. 2006; 89: 251907(1)-(3).
20. Nouvet E, Mitov M. New optical memory effects in polymer stabilized cholesteric liquid crystals due to pitch changes during the UV-curing. Mol. Cryst. Liq. Cryst. 2004; 413: 515-525.
21. GuiLlard H, Sixou P. Active broadband polymer stabilized liquid crystals. Liq. Cryst. 2001; 28: 933-944.
22. Dyer DJ, Schröder UP, Chan KP, Twieg RJ. Polymer-stabilized reflective cholesteric displays: effects of chiral polymer networks on reflectance properties. Chem. Mater. 1997; 9: 1665-1669.
23. Broer DJ, Boven J, Mol GN. In-situ photopolymerization of oriented liquid-crystalline acrylates: Oriented polymer networks from a mesogenic diacrylate. Makromol. Chem. 1989; 190: 2255-2268.
24. Portugall M, Ringsdorf H, Zentel R. Synthesis and phase behaviour of liquid crystalline polyacrylates. Makromol. Chem. 1982; 183: 2311-2321.
25. Rajaran CV, Hudson SD, Chien LC. Morphology of polymer-stabilized liquid crystals. Chem. Mater. 1995; 7: 2300-2308.
26. Ma RQ, Yang DK. Fréedericksz transition in polymer-stabilized nematic liquid crystals. Phys. Rev. E 2000; 61: 1567-1573.