Charge transport in polymer light-emitting diodes

被引：21

作者：

Blom, PWM

Martens, HCF

Huiberts, JN

机构：

[1] Univ Groningen, Ctr Mat Sci, NL-9747 AG Groningen, Netherlands

[2] Leiden Univ, Kamerlingh Onnes Lab, NL-2300 RA Leiden, Netherlands

[3] Philips Res Labs, NL-5656 AA Eindhoven, Netherlands

来源：

SYNTHETIC METALS | 2001年 / 121卷 / 1-3期

关键词：

transport measurements; poly(phenylene vinylene) and derivatives; light sources;

D O I：

10.1016/S0379-6779(00)00682-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The transport of electrons and holes in poly(dialkoxy-p-phenylene vinylene) (PPV) has been investigated using temperature dependent current density-voltage characteristics and admittance spectroscopy. From admittance spectroscopy, both the electron and hole mobility of PPV can be obtained from a single polymer light-emitting diode (PLED). These experiments reveal that at room temperature the electron transport is strongly reduced with regard to the hole transport. Due to the smaller activation energy of the electron transport the difference between electron and hole transport in PPV diminshes with decreasing temperature.

引用

收藏

页码：1621 / 1624

页数：4

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