Controlling the turn-on-voltage in low-voltage Al2O3 organic transistors with mixed self-assembled monolayers |
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Authors: | Niklas Björklund Fredrik S. Pettersson Daniel Tobjörk Ronald Österbacka |
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Affiliation: | Centre for Functional Materials and Department of Natural Sciences, Åbo Akademi University, Porthansgatan 3, 20500 Åbo, Finland |
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Abstract: | In this paper we present a method of using blends of two silanes with different functional groups to precisely tune the turn-on-voltage to 0 V. In addition, we show how the transistor behaviour of an amorphous polymer low-voltage transistor is affected by modification of the Al2O3 dielectric with self-assembled monolayers of molecules with different functional groups. Controlling the turn-on voltage is essential for any practical applications, especially for low-voltage transistors. This method opens new doors to designing stable, low-voltage organic circuitry in a reproducible manner. |
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