Electrical transport modelling in organic electroluminescent devices

被引:122
作者
Walker, AB [1 ]
Kambili, A [1 ]
Martin, SJ [1 ]
机构
[1] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England
关键词
D O I
10.1088/0953-8984/14/42/303
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Organic electroluminescent devices (OEDs) emit light when an electric current is applied to a thin film section. They arise from two main technology branches-small molecules and light emitting polymers. Apart from the insight offered into the fundamentals of their physics, which is relevant to topics such as electrical transport in biological systems and molecular computers, understanding how the mobilities in these systems vary with morphology and composition enables the design of improved materials for technological requirements, e.g. fast switching speeds for active matrix displays and polymer field effect transistors. In this review, we have focussed on the models of transport in OEDs that address the unusual nature of this transport and underpin device design. The review concludes with the following point: as new materials for use in OEDs continue to appear, modelling is essential for the prediction of their transport properties, which in turn leads to the establishment of fundamental trends in the behaviour of devices employing them.
引用
收藏
页码:9825 / 9876
页数:52
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