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Charge Injection in Organic Light Emitting Diodes Governed by Interfacial States

机译:界面态控制的有机发光二极管中的电荷注入

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Charge injection in organic light emitting diodes (OLEDs) is studied by impedance spectroscopy on a solution processable polymer based OLED (PLED) using different metallic cathodes. A negative capacitance is observed in organic light-emitting diodes (OLEDs) at low frequencies which can be explained using a detailed kinetic model based on sequential injection through surface states at the metal/organic interface. In this paper the methodology used to derive this model and its application to experimental data is presented.
机译:通过使用不同金属阴极的可溶液处理的基于聚合物的OLED(PLED)上的阻抗光谱研究了有机发光二极管(OLED)中的电荷注入。在有机发光二极管(OLED)的低频处观察到负电容,这可以使用详细的动力学模型来解释,该动力学模型基于通过金属/有机界面处的表面状态的顺序注入。本文介绍了用于推导该模型的方法及其在实验数据中的应用。

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