Integrated Top‐Gate Organic Electrochemical Transistors: A Scalable Approach for Fast and Efficient Operation

IF 5.3 2区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Advanced Electronic Materials Pub Date : 2024-12-18 DOI:10.1002/aelm.202400656
Ali Solgi, Anton Weissbach, Yahya Asl Soleimani, Yeohoon Yoon, Gert Krauss, Tommy Meier, Hsin Tseng, Mukundan Thelakkat, Karl Leo, Hans Kleemann
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引用次数: 0

Abstract

Organic electrochemical transistors (OECTs) are gaining attention for their ease of fabrication, flexibility, and biocompatibility, with applications in biosignal sensing, neuromorphic computing, wearable health monitors, environmental monitoring, and bioelectronic interfaces. The interactions between ionic and electronic subcircuits in OECTs raise fundamental questions about the relationship between device design and performance. A major challenge is to meet specific integration, processing, and device performance requirements. While miniaturization of OECTs can improve transconductance and maximum operating frequency, it often compromises cost effectiveness and integratability. This work investigates an OECT architecture that incorporates both a crosslinkable printed aqueous electrolyte and a printed poly(3,4‐ethylenedioxythiophene):ploy(4‐styrenesulfonate) (PEDOT:PSS) top‐gate to achieve efficient gating, higher operating frequencies, and easy integration with low‐cost printing techniques. Improved performance is demonstrated in this top‐gate OECTs over conventional side‐gate structures, achieving sub‐millisecond device operation with channel lengths of 100 µm. This configuration shows practical potential for circuit integration, as demonstrated with a complementary inverter using an ambipolar material.
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来源期刊
Advanced Electronic Materials
Advanced Electronic Materials NANOSCIENCE & NANOTECHNOLOGYMATERIALS SCIE-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
11.00
自引率
3.20%
发文量
433
期刊介绍: Advanced Electronic Materials is an interdisciplinary forum for peer-reviewed, high-quality, high-impact research in the fields of materials science, physics, and engineering of electronic and magnetic materials. It includes research on physics and physical properties of electronic and magnetic materials, spintronics, electronics, device physics and engineering, micro- and nano-electromechanical systems, and organic electronics, in addition to fundamental research.
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