Abstract:Organic electrochemical transistors (OECT) are gaining momentum in future applications of biosensors and bioelectronics. Nonetheless, contact (or series) resistances (RS/D) remain underexplored, even though physical processes between the source/drain electrodes and organic mixed ionic‐electron conductors (OMIECs) drive a substantial part of their performances. To address this shortcoming, in this study, low‐dimension OECTs featuring 2 µm‐long poly(3,4‐ethylenedioxythiophene) and polystyrene sulfonate acid (PED… Show more
“…This model has been proven to be effective in explaining the improvement of response time in the experiments. 39 In this model, the characteristic time constant is determined by the ionic transit time constant τ i , while the ratio of τ e to τ i determines the decaying character. By using the Gouy–Chapman theory, 37 the ionic transit time τ i can be expressed by l / c 1/2 , where l is the distance between the organic film and gate electrode and c is the ionic concentration.…”
With the rapid development of n-type and ambipolar OECT materials, OECTs have been widely used in constructing logic circuits, electrophysiological recording, biosensing, and neuromorphic computing.
“…This model has been proven to be effective in explaining the improvement of response time in the experiments. 39 In this model, the characteristic time constant is determined by the ionic transit time constant τ i , while the ratio of τ e to τ i determines the decaying character. By using the Gouy–Chapman theory, 37 the ionic transit time τ i can be expressed by l / c 1/2 , where l is the distance between the organic film and gate electrode and c is the ionic concentration.…”
With the rapid development of n-type and ambipolar OECT materials, OECTs have been widely used in constructing logic circuits, electrophysiological recording, biosensing, and neuromorphic computing.
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