Advanced Materials (FRG) 2015-01-14

Flexible low-voltage organic complementary circuits: finding the optimum combination of semiconductors and monolayer gate dielectrics.

Ulrike Kraft, Mirsada Sejfić, Myeong Jin Kang, Kazuo Takimiya, Tarek Zaki, Florian Letzkus, Joachim N Burghartz, Edwin Weber, Hagen Klauk

Index: Adv. Mater. 27(2) , 207-14, (2015)

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Abstract

Low-voltage p-channel and n-channel organic transistors with channel lengths down to 0.5 μm using four small-molecule semiconductors and ultra-thin dielectrics based on two different phosphonic acid monolayers are fabricated on plastic substrates and studied in terms of effective mobility, intrinsic mobility and contact resistance. For the optimum materials combination, flexible complementary circuits have signal delays of 3.1 μs at 5 V. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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