Journal
ORGANIC ELECTRONICS
Volume 11, Issue 4, Pages 626-631Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2010.01.002
Keywords
Thin film transistors; Scaling behavior; Switching speed
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The scaling behavior and the influence of the device geometry on the switching speed of organic thin film transistors were investigated. Thiophene transistors were characterized and the influence of contact effects and overlap capacitance was studied. Fundamental scaling limits of the switching frequencies were derived. The maximum transfer frequency is limited by the device design and the specific contact resistance between the drain/source electrode and the organic semiconductor. Finally, strategies will be presented how to realize organic transistors operating at frequencies of up to 100 MHz. (C) 2010 Elsevier B.V. All rights reserved.
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