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Modeling of Organic Light Emitting Diodes: From Molecular to Device Properties

机译:有机发光二极管建模:从分子到器件性能

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摘要

The progress in modeling of charge transport in disordered organic semiconductors on various length scales, from atomistic to macroscopic, is reviewed. This includes evaluation of charge transfer rates from first principles, parametri-zation of coarse-grained lattice and off-lattice models, and solving the master and drift-diffusion equations. Special attention is paid to linking the length scales and improving the efficiency of the methods. All techniques are illustrated on an amorphous organic semiconductor, DPBIC, a hole conductor and electron blocker used in state of the art organic light emitting diodes (OLEDs). The outlined multiscale scheme can be used to predict OLED properties without fitting parameters, starting from chemical structures of compounds.
机译:综述了无序有机半导体中从原子到宏观的各种长度尺度的电荷传输模型的进展。这包括根据第一性原理评估电荷转移速率,粗粒度晶格和非晶格模型的参数化以及求解主扩散方程和漂移扩散方程。要特别注意链接长度刻度并提高方法的效率。所有技术都在非晶有机半导体,DPBIC,空穴导体和电子阻挡层上进行了说明,而有机阻挡层则用于现有的有机发光二极管(OLED)。概述的多尺度方案可从化合物的化学结构开始,无需拟合参数即可用于预测OLED性能。

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  • 来源
    《Advanced Functional Materials》 |2015年第13期|1955-1971|共17页
  • 作者单位

    Max Planck Institute for Polymer Research Ackermannweg 10, 55128 Mainz, Germany;

    Max Planck Institute for Polymer Research Ackermannweg 10, 55128 Mainz, Germany;

    BASF SE, GVE/M-B009 67056 Ludwigshafen, Germany,IHF Institut Technische Universitaet Braunschweig Brunswick, Germany;

    IHF Institut Technische Universitaet Braunschweig Brunswick, Germany;

    BASF SE, GVE/M-B009 67056 Ludwigshafen, Germany;

    BASF SE, GVM/S-B009 67056 Ludwigshafen, Germany;

    BASF SE, GVE/M-B009 67056 Ludwigshafen, Germany;

    Max Planck Institute for Polymer Research Ackermannweg 10, 55128 Mainz, Germany;

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