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Scaling properties of transport parameters in molecularly doped polymers

机译:分子掺杂聚合物中输运参数的尺度性质

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摘要

Charge-carrier transport in an energetically and spatially disordered hopping system is analysed in terms of dimensionless distance and energy variables. The transport characteristics are shown to be described by three dimensionless parameters which in essence represent the concentration, temperature and electric field respectively. Consequently, a relationship is predicted between these parameters and certain scaling properties of the curves of mobility against field and mobility against temperature. This is supported by mobility measurements carried out on a hole transporting compound doped into polycarbonate within the widest concentration range reported so far in the literature.
机译:从无量纲距离和能量变量的角度分析了能量和空间无序跳跃系统中的载流子传输。传输特性显示为由三个无量纲参数描述,这些参数本质上分别代表浓度,温度和电场。因此,预测了这些参数与迁移率相对于电场和迁移率相对于温度的曲线的某些缩放特性之间的关系。这是迄今为止在文献中报道的最大浓度范围内对掺杂到聚碳酸酯中的空穴传输化合物进行的迁移率测量所支持的。

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