Polarized electroluminescence from smectic mesophase
作者:
Hiroaki Tokuhisa,
Masanao Era,
Tetsuo Tsutsui,
期刊:
Applied Physics Letters
(AIP Available online 1998)
卷期:
Volume 72,
issue 21
页码: 2639-2641
ISSN:0003-6951
年代: 1998
DOI:10.1063/1.121441
出版商: AIP
数据来源: AIP
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. ©1998 American Institute of Physics.
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