Fast polymer integrated circuits

26 August 2002

journal article
research article
Published by AIP Publishing in Applied Physics Letters

Vol. 81 (9), 1735-1737
https://doi.org/10.1063/1.1501450

Abstract

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.

Keywords

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