聚合物发光二极管的注入和电荷输运过程

A. Wedel, S. Janietz, R. Danz
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引用次数: 0

摘要

采用循环伏安法分别研究了具有良好电子传递性能的闪烁染料-噻吩(TH)和2-(4-联苯)-5-(4-t-丁基苯基)-1,3,4-恶二唑(PBD)。所有电化学测量均在n -甲基卟啉酮还原区和乙腈(PBD)和二氯甲烷(TH)氧化方向的溶液中进行。我们还研究了电流-电压(I-U)特性,用于测试不同单层和双层结构的二极管特性和电容-电压(C-V)行为,以描述此类器件的功能。为了制造LED,将TH和PBD与20%溶于氯仿的聚碳酸酯(PC)混合,从而建立了厚度为150 nm的混合单层作为LED混合结构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Injection and charge transport processes of polymer light emitting diodes
We investigated thianthrene (TH) and 2-(4-biphenyl)-5-(4-t-butylphenyl)-1,3,4-oxadiazole (PBD), which is known to be a good scintillator dye and have good electron transport properties, separately by cyclic voltammetry in solution. All electrochemical measurements were performed in solutions of N-methylporrolidone in the reduction region and in acetonitrile (for PBD) and dichloromethane (for TH) in the oxidation direction. We also investigated the current-voltage (I-U) characteristics for testing the diode character and capacitance-voltage (C-V) behaviour of different single and double layer structures to describe the function of such devices. For LED fabrication, TH and PBD were mixed with 20% polycarbonate (PC) dissolved in chloroform, so that a mixed single layer with a thickness of 150 nm as an LED blend structure was built up.
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