Single molecule charge transport: from a quantum mechanical to a classical description

This paper explores charge transport at the single molecule level. The conductive properties of both small organic molecules and conjugated polymers (molecular wires) are considered. In particular, the reasons for the transition from fully coherent to incoherent charge transport and the approaches t...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2011-02, Vol.13 (6), p.296-211
Main Authors: Kocherzhenko, Aleksey A, Grozema, Ferdinand C, Siebbeles, Laurens D. A
Format: Article
Language:English
Subjects:
Charge transport
Coherence
Disorders
Physical chemistry
Polymers
Quantum mechanics
Vibration
Wire
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Summary:This paper explores charge transport at the single molecule level. The conductive properties of both small organic molecules and conjugated polymers (molecular wires) are considered. In particular, the reasons for the transition from fully coherent to incoherent charge transport and the approaches that can be taken to describe this transition are addressed in some detail. The effects of molecular orbital symmetry, quantum interference, static disorder and molecular vibrations on charge transport are discussed. All of these effects must be taken into account (and may be used in a functional way) in the design of molecular electronic devices. An overview of the theoretical models employed when studying charge transport in small organic molecules and molecular wires is presented. Understanding the transition from quantum mechanical to classical charge transport in organic materials.
ISSN:1463-9076
1463-9084
DOI:10.1039/c0cp01432j