Influence of contact metals on the performance and morphology of pentacene bottom-contact field-effect transistors

In pentacene-based bottom-contact field-effect transistors we study the influence of source and drain contact metals (gold, palladium, and platinum) on the morphology and transistor performance. Transistors prepared with Pd electrodes show a reduced contact and sheet resistance, a reduced activation...

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Bibliographic Details
Published in:Physica. E, Low-dimensional systems & nanostructures Low-dimensional systems & nanostructures, 2008-04, Vol.40 (6), p.2107-2109
Main Authors: Bock, C., Pham, D.V., Kunze, U., Käfer, D., Witte, G., Wöll, Ch
Format: Article
Language:English
Subjects:
Applied sciences
Contact resistance
Electronics
Exact sciences and technology
Organic field-effect transistor
Pentacene
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Sheet resistance
Transistors
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Summary:In pentacene-based bottom-contact field-effect transistors we study the influence of source and drain contact metals (gold, palladium, and platinum) on the morphology and transistor performance. Transistors prepared with Pd electrodes show a reduced contact and sheet resistance, a reduced activation energy, and a closer packed pentacene film in the channel region.
ISSN:1386-9477
1873-1759
DOI:10.1016/j.physe.2007.09.194