Doping molecular wires

Georg Heimel; Egbert Zojer; Lorenz Romaner; Jean Luc Brédas; Francesco Stellacci

doi:10.1021/nl9006613

Doping molecular wires

Georg Heimel^*, Egbert Zojer, Lorenz Romaner, Jean Luc Brédas, Francesco Stellacci

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

The concept of doping inorganic semiconductors enabled their successful application in electronic devices. Furthermore, the discovery of metal-like conduction in doped polymers started the entire field of organic electronics. In the present theoretical study, we extend the concept of doping to monomolecular wires suspended between two metal electrodes. Upon doping, the conductivity of representative model systems is found to increase by 2 orders of magnitude. More importantly, by providing a thorough understanding of the underlying mechanisms, our results pave the way for the development of novel molecular components envisioned as functional units in nanoscale devices.

Original language	English (US)
Pages (from-to)	2559-2564
Number of pages	6
Journal	Nano Letters
Volume	9
Issue number	7
DOIs	https://doi.org/10.1021/nl9006613
State	Published - Jul 8 2009
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Mechanical Engineering
Bioengineering
General Materials Science

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10.1021/nl9006613

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AU - Brédas, Jean Luc

AU - Stellacci, Francesco

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AB - The concept of doping inorganic semiconductors enabled their successful application in electronic devices. Furthermore, the discovery of metal-like conduction in doped polymers started the entire field of organic electronics. In the present theoretical study, we extend the concept of doping to monomolecular wires suspended between two metal electrodes. Upon doping, the conductivity of representative model systems is found to increase by 2 orders of magnitude. More importantly, by providing a thorough understanding of the underlying mechanisms, our results pave the way for the development of novel molecular components envisioned as functional units in nanoscale devices.

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Doping molecular wires

Abstract

ASJC Scopus subject areas

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