Charge transport in organic semiconductors： From incoherent to coherent

Quantum decoherence in organic charge transport is a complicated but crucial topic. In this paper, several theoretical approaches corresponding to it, from incoherent to coherent, are comprehensively reviewed. We mainly focus on the physical insight provided by each theory and extent of its validity...

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Bibliographic Details
Published in:Chinese science bulletin 2013-08, Vol.58 (22), p.2669-2676
Main Authors: Yao, Yao, Si, Wei, Yang, WenChao, Wu, Chang-Qin
Format: Article
Language:English
Subjects:
Charge transport
Chemistry/Food Science
Coherence
Devices
Disorders
Dynamics
Earth Sciences
Engineering
equations
Humanities and Social Sciences
Life Sciences
material forms
multidisciplinary
organic compounds
Organic materials
Physics
Review
Science
Science (multidisciplinary)
semiconductors
Transporting
Variational methods
变分法
有机半导体
有机材料
洞察力
电荷传输
相干效应
离散化处理
设备型号
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Summary:Quantum decoherence in organic charge transport is a complicated but crucial topic. In this paper, several theoretical approaches corresponding to it, from incoherent to coherent, are comprehensively reviewed. We mainly focus on the physical insight provided by each theory and extent of its validity. The aim of this review is to clarify some contentious issues and elaborate on the promising perspectives provided by different approaches. The device model approaches based on both continuous and discretized treatments of the transporting layer will be first discussed. The prominent focus of this review will be devoted to the dynamic disorder model and its variants considering that it is the most promising approach to tackle charge transport problems in organic materials. We will also address other theories such as the variational method.
ISSN:1001-6538
1861-9541
DOI:10.1007/s11434-013-5931-y