Chemical Complementarity in the Contacts for Nanoscale Organic Field-Effect Transistors

This study describes the effect of covalent derivatization of source and drain electrodes with monolayers of organic semiconductors. These monolayers form a template on the metal surface and provide better electronic coupling between the electrode and the semiconductor. We see a large improvement in...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2006-02, Vol.128 (6), p.1788-1789
Main Authors: Tulevski, George S, Miao, Qian, Afzali, Ali, Graham, Teresita O, Kagan, Cherie R, Nuckolls, Colin
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity of specific materials
Electronic transport in condensed matter
Electronics
Exact sciences and technology
Molecular electronics, nanoelectronics
Physics
Polymers
organic compounds (including organic semiconductors)
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
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Summary:This study describes the effect of covalent derivatization of source and drain electrodes with monolayers of organic semiconductors. These monolayers form a template on the metal surface and provide better electronic coupling between the electrode and the semiconductor. We see a large improvement in nanoscale (40−100 nm) transistors only when the monolayer presents functionality that is complementary to the chemical and electronic structure of the molecular semiconductor.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja0574926