Stability of fiber-based organic electrochemical transistors with a gel electrolyte for wearable electronics

Nestor O. Marquez Rios; Arash Takshi

doi:10.1117/12.2633175

3 October 2022 Stability of fiber-based organic electrochemical transistors with a gel electrolyte for wearable electronics

Nestor O. Marquez Rios, Arash Takshi

Author Affiliations +

Proceedings Volume 12210, Organic and Hybrid Sensors and Bioelectronics XV; 1221004 (2022) https://doi.org/10.1117/12.2633175
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States

Abstract

With the increasing interest in wearable electronics, still, building electronic circuits on fabrics is challenging. Among different approaches, fiber shape electrochemical transistors are potentially suitable for various applications, particularly for bioelectronics. Fiber-based devices are getting popular because of their low fabrication cost, lightweight, and mechanical flexibility without losing their properties as sensors and transistors. In this work, we have studied an organic electrochemical transistor made from two conductive threads with a gel electrolyte. The transistor was tested when it was exposed to an acidic solution which then showed a change in the drain current. The results from testing the conductive thread between the drain and source reviled the effect of the pH on the PEDOT:PSS coating used as the semiconducting material in the transistor design. The results are encouraging for the applications in new low-cost, flexible bioelectronics sensing devices.

Conference Presentation

Citation Download Citation

Nestor O. Marquez Rios and Arash Takshi "Stability of fiber-based organic electrochemical transistors with a gel electrolyte for wearable electronics", Proc. SPIE 12210, Organic and Hybrid Sensors and Bioelectronics XV, 1221004 (3 October 2022); https://doi.org/10.1117/12.2633175

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