Low-voltage flexible organic complementary inverters with high noise margin and high dc gain

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Date
2009-01Author
Zhang, Xiaohong
Potscavage, William J., Jr.
Choi, Seungkeun
Kippelen, Bernard
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Show full item recordAbstract
We report on flexible organic complementary inverters using pentacene and C₆₀ as active semiconductors fabricated on a plastic substrate. Individual transistors as well as inverters show good operational stability with negligible hysteresis. The threshold voltages are comparable for p-channel pentacene and n-channel C₆₀ organic field-effect transistors, and noise margins larger than 80% of the maximum theoretical values were obtained at a supply voltage VDD as low as 3 V. A high dc gain of 180 was achieved at VDD=5 V. The inverters demonstrated good mechanical stability when tested after bending under both tensile and compressive stress.
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