FABRICATION OF SELF-ASSEMBLED MULTILAYER HETEROSTRUCTURE OF POLY(P-PHENYLENE VINYLENE) AND ITS USE FOR AN ELECTROLUMINESCENT DIODE

被引:62
作者
ONODA, M
YOSHINO, K
机构
[1] Department of Electrical Engineering, Faculty of Engineering, Himeji Institute of Technology, Himeji 671-22
关键词
D O I
10.1063/1.359854
中图分类号
O59 [应用物理学];
学科分类号
摘要
Multilayer heterostructure thin films of electroactive polymers such as poly(p-phenylene vinylene) (PPV)-precursor and sulfonated polyaniline (SPAn) have been successfully fabricated via a process based on the spontaneous self-assembly of conjugated polyion on a substrate. We have prepared SPAn/PPV multilayer heterostructure light-emitting diodes (LEDs) using this electrostatic self-assembly technique and discussed the electroluminescent (EL) properties. The SPAn/PPV monolayer LED emits greenish-yellow light, but the SPAn/PPV multilayer emits bluish-green light and there is a slight shift between the two spectra of these devices. These results can be interpreted in terms of the confinement effect of carriers in the superlattice structure consisting of a SPAn/PPV multilayer system. (C) 1995 American Institute of Physics.
引用
收藏
页码:4456 / 4462
页数:7
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