Polarized electroluminescence from smectic mesophase

被引:114
作者
Tokuhisa, H [1 ]
Era, M [1 ]
Tsutsui, T [1 ]
机构
[1] Kyushu Univ, Grad Sch Engn Sci, Dept Mat Sci & Technol, Kasuga, Fukuoka 816, Japan
关键词
D O I
10.1063/1.121441
中图分类号
O59 [应用物理学];
学科分类号
摘要
Electrically pumped light emission was observed from a smectic mesophase of liquid-crystalline oxadiazole; 2,5-hexyloxybiphenyl-hexyloxyphenyl-oxadiazole (HOBP-OXD), which exhibits high electron transport capability. The light-emitting diode consisted of the HOBP-OXD film, a copper phthalocyanine vacuum deposited film as a hole injection layer, and a tris-(8-hydroxyquinoline) aluminum vacuum deposited film as an electron injection layer. The emission was linearly polarized originating from highly oriented molecular textures in the smectic mesophase with a degree of orientational order of 0.32. (C) 1998 American Institute of Physics.
引用
收藏
页码:2639 / 2641
页数:3
相关论文
共 19 条
  • [1] ORGANIC ELECTROLUMINESCENT DEVICE HAVING A HOLE CONDUCTOR AS AN EMITTING LAYER
    ADACHI, C
    TSUTSUI, T
    SAITO, S
    [J]. APPLIED PHYSICS LETTERS, 1989, 55 (15) : 1489 - 1491
  • [2] TRANSIENT PHOTOCONDUCTIVITY IN A DISCOTIC LIQUID-CRYSTAL
    ADAM, D
    CLOSS, F
    FREY, T
    FUNHOFF, D
    HAARER, D
    RINGSDORF, H
    SCHUHMACHER, P
    SIEMENSMEYER, K
    [J]. PHYSICAL REVIEW LETTERS, 1993, 70 (04) : 457 - 460
  • [3] FAST PHOTOCONDUCTION IN THE HIGHLY ORDERED COLUMNAR PHASE OF A DISCOTIC LIQUID-CRYSTAL
    ADAM, D
    SCHUHMACHER, P
    SIMMERER, J
    HAUSSLING, L
    SIEMENSMEYER, K
    ETZBACH, KH
    RINGSDORF, H
    HAARER, D
    [J]. NATURE, 1994, 371 (6493) : 141 - 143
  • [4] ELECTRON-TRANSPORT IN FLUORENYLIDENE MALONONITRILE DOPED POLYESTER
    BORSENBERGER, PM
    KUNG, TM
    VREELAND, WB
    [J]. JOURNAL OF APPLIED PHYSICS, 1990, 68 (08) : 4100 - 4105
  • [5] LIGHT-EMITTING-DIODES BASED ON CONJUGATED POLYMERS
    BURROUGHES, JH
    BRADLEY, DDC
    BROWN, AR
    MARKS, RN
    MACKAY, K
    FRIEND, RH
    BURN, PL
    HOLMES, AB
    [J]. NATURE, 1990, 347 (6293) : 539 - 541
  • [6] Christ T, 1997, ADV MATER, V9, P48
  • [7] POLARIZED ELECTROLUMINESCENCE FROM ORIENTED P-SEXIPHENYL VACUUM-DEPOSITED FILM
    ERA, M
    TSUTSUI, T
    SAITO, S
    [J]. APPLIED PHYSICS LETTERS, 1995, 67 (17) : 2436 - 2438
  • [8] FUNAHASHI M, 1997, PHYS REV LETT, V78, P1284
  • [9] GILL WD, 1972, J APPL PHYS, V43, P5033, DOI 10.1063/1.1661065
  • [10] Polarized electroluminescence of light emitting liquid crystalline polymers
    Lussem, G
    Geffarth, F
    Greiner, A
    Heitz, W
    Hopmeier, M
    Oberski, M
    Unterlechner, C
    Wendorff, JH
    [J]. LIQUID CRYSTALS, 1996, 21 (06) : 903 - 907