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Field-effect electroluminescence in a polymer channel

机译:聚合物通道中的场效应电致发光

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We built a new type of light-emitting device in which the emission layer is confined inside an aluminum channel. A l200 A aluminum layer was first deposited on glass by vacuum evaporation and then carved using microlithographic techniques. Channels were typically l.5 μm width. A 2000 A thick electroluminescent polymer film was spin coated on top of the Al-channel. The diode emits light under alternative voltages. It can be seen under room i1lumination. We studied the current--voltage characteristics and LED quantum efficiency. We also studied the glow-discharge effect of the nitrogen gas on the emission spectrum. Efficient electroluminescence may result from a field-induced ionization and recombination process.
机译:我们构建了一种新型的发光器件,其中发光层被限制在铝通道内。首先通过真空蒸发将1200 A铝层沉积在玻璃上,然后使用微光刻技术进行雕刻。通道的宽度通常为1.5微米。将2000埃厚的电致发光聚合物膜旋涂在Al通道的顶部。二极管在交流电压下发光。可以在室内照明下看到。我们研究了电流-电压特性和LED量子效率。我们还研究了氮气对发射光谱的辉光放电效应。场致电离和重组过程可能导致有效的电致发光。

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