Fast polymer integrated circuits

Using soluble polymers for the active layer and insulating layer, we report on a concept for the fabrication of fast integrated circuits based on p-type organic transistors only. Ring oscillators with frequencies above 100 kHz and propagation stage delays below 0.7 μs are presented. They show a very...

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Veröffentlicht in:Applied physics letters 2002-08, Vol.81 (9), p.1735-1737
Hauptverfasser: Fix, W., Ullmann, A., Ficker, J., Clemens, W.
Format: Artikel
Sprache:eng
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Zusammenfassung:Using soluble polymers for the active layer and insulating layer, we report on a concept for the fabrication of fast integrated circuits based on p-type organic transistors only. Ring oscillators with frequencies above 100 kHz and propagation stage delays below 0.7 μs are presented. They show a very stable performance over time even without encapsulation, when stored and measured under ambient conditions. Regioregular poly(3-alkylthiophen) is used as the active semiconducting layer, a polymer blend as the insulator, a flexible polyester film as the substrate and metal electrodes. To enable vertical interconnects, the insulating layer is patterned.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1501450