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Creators/Authors contains: "Skowrons, Michael"

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  1. Organic electrochemical transistors (OECTs) transduce ionic into electric signals, which makes them a promising candidate for a wide range of bio-electronic applications. However, despite their promise, the influence of their device geometry on performance is still not fully understood. Here, two different device geometries—top contact and bottom contact OECTs—are compared in terms of their contact resistance, reproducibility, and switching speed. It is shown that bottom contact devices have faster switching times, while their top-contact counterparts are superior in terms of slightly reduced contact-resistance and increased reproducibility. The origin of this trade-off between speed and reproducibility is discussed, which provides optimization guidelines for a particular application. 
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