Influence of geometry variations on the response of organic electrochemical transistors

Influence of geometry variations on the response of organic electrochemical transistors

We report on the fabrication and characterisation of entirely inkjet-printed organic electrochemical transistors (OECTs) based on poly(3,4-ethylenedioxithiophene) poly(styrenesulfonate) (PEDOT:PSS). These transistors were used to evaluate the assumed geometry-performance relationship of OECTs by cha...

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Veröffentlicht in:Applied physics letters 2013-07, Vol.103 (4)
Hauptverfasser: Hütter, Philipp C., Rothländer, Thomas, Haase, Anja, Trimmel, Gregor, Stadlober, Barbara
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container_issue 4
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container_title Applied physics letters
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creator Hütter, Philipp C.
Rothländer, Thomas
Haase, Anja
Trimmel, Gregor
Stadlober, Barbara
description We report on the fabrication and characterisation of entirely inkjet-printed organic electrochemical transistors (OECTs) based on poly(3,4-ethylenedioxithiophene) poly(styrenesulfonate) (PEDOT:PSS). These transistors were used to evaluate the assumed geometry-performance relationship of OECTs by changing the transistor dimensions and monitoring the output characteristics. We could show that the on-current depends on the PEDOT:PSS thickness and that the on-to-off current ratio is related to the distance between the printed electrodes. Taking these results into account, we fabricated entirely inkjet printed electrochemical inverters with a switching time of about 4 s. These inverters outline a first step from organic electrochemical transistors towards logic circuits.
doi_str_mv 10.1063/1.4816781
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title Influence of geometry variations on the response of organic electrochemical transistors
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