Alignment and anchoring transition of liquid crystals on the surface of self-assembled block copolymer films with periodic defects

被引:7
作者
Park, Ji-Woong [1 ]
Cho, Jinchul [1 ]
Thomas, Edwin L. [2 ]
机构
[1] Gwangju Inst Sci & Technol, Dept Mat Sci & Engn, Kwangju, South Korea
[2] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
关键词
D O I
10.1039/b718482d
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Patterned alignment of the nematic and uniform homeotropic alignment of the smectic LC occur on the periodic bend-splay Nee l wall defect pattern of a rod-coil copolymer substrate surface.
引用
收藏
页码:739 / 743
页数:5
相关论文
共 20 条
  • [1] Effect of surfactant structure on the orientation of liquid crystals at aqueous-liquid crystal interfaces
    Brake, JM
    Mezera, AD
    Abbott, NL
    [J]. LANGMUIR, 2003, 19 (16) : 6436 - 6442
  • [2] Liquid-crystal photonic-band-gap materials: The tunable electromagnetic vacuum
    Busch, K
    John, S
    [J]. PHYSICAL REVIEW LETTERS, 1999, 83 (05) : 967 - 970
  • [3] Orientations of liquid crystals in contact with surfaces that present continuous gradients of chemical functionality
    Clare, BH
    Efimenko, K
    Fischer, DA
    Genzer, J
    Abbott, NL
    [J]. CHEMISTRY OF MATERIALS, 2006, 18 (09) : 2357 - 2363
  • [4] de Gennes PG., 1994, The physics of liquid crystals
  • [5] A HELICAL POLYMER WITH A COOPERATIVE RESPONSE TO CHIRAL INFORMATION
    GREEN, MM
    PETERSON, NC
    SATO, T
    TERAMOTO, A
    COOK, R
    LIFSON, S
    [J]. SCIENCE, 1995, 268 (5219) : 1860 - 1866
  • [6] Anchoring of nematic liquid crystals on viruses with different envelope structures
    Jang, Chang-Hyun
    Cheng, Li-Lin
    Olsen, Christopher W.
    Abbott, Nicholas L.
    [J]. NANO LETTERS, 2006, 6 (05) : 1053 - 1058
  • [7] Electro-optic behavior of liquid-crystal-filled silica opal photonic crystals: Effect of liquid-crystal alignment
    Kang, D
    Maclennan, JE
    Clark, NA
    Zakhidov, AA
    Baughman, RH
    [J]. PHYSICAL REVIEW LETTERS, 2001, 86 (18) : 4052 - 4055
  • [8] Rheological study of structural transitions in triblock copolymers in a liquid crystal solvent
    Kempe, Michael D.
    Verduzco, Rafael
    Scruggs, Neal R.
    Kornfield, Julia A.
    [J]. SOFT MATTER, 2006, 2 (05) : 422 - 431
  • [9] Tristable nematic liquid-crystal device using micropatterned surface alignment
    Kim, JH
    Yoneya, M
    Yokoyama, H
    [J]. NATURE, 2002, 420 (6912) : 159 - 162
  • [10] Surface alignment bistability of nematic liquid crystals by orientationally frustrated surface patterns
    Kim, JH
    Yoneya, M
    Yamamoto, J
    Yokoyama, H
    [J]. APPLIED PHYSICS LETTERS, 2001, 78 (20) : 3055 - 3057