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High-mobility pentacene-based organic thin film transistors

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4 Author(s)
Y. Y. Lin ; Dept. of Electr. Eng., Pennsylvania State Univ., University Park, PA, USA ; D. J. Gundlach ; S. F. Nelson ; T. N. Jackson

We recently reported pentacene-based organic thin film transistors (TFTs) with field-effect mobility and on/off current ratio comparable to hydrogenated amorphous silicon devices. However, these devices had large threshold voltage (typically >+20 V; that is, the devices are on at zero gate bias) and large subthreshold slope (typically >5 V/decade), which makes application in low-voltage circuits problematic. We have now fabricated pentacene-based TFTs with field-effect mobility as large as 1.5 cm/sup 2//V-s, low threshold voltage, and subthreshold slope as low as 1.6 V/decade.

Published in:

Device Research Conference Digest, 1997. 5th

Date of Conference:

23-25 June 1997