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Additive Manufacturing of Organic Electrochemical Transistors: Methods, Device Architectures, and Emerging
Roberto Granelli1, Zsolt M Kovács-Vajna1, Fabrizio Torricelli1
1Department of Information Engineering, University of Brescia, via Branze 38, Brescia, 25123, Italy.
Small (Weinheim an Der Bergstrasse, Germany)
|February 13, 2025
Summary
This review highlights advancements in printed organic electrochemical transistors (OECTs) for bioelectronics and neuromorphic computing. It addresses challenges in materials and scalability to enable next-generation intelligent electronic systems.
Area of Science:
- Organic electronics
- Additive manufacturing
- Bioelectronic devices
Background:
- Organic electrochemical transistors (OECTs) are crucial for bioelectronics, neuromorphics, sensing, and flexible electronics.
- Additive manufacturing, particularly printing technologies, offers new avenues for OECT fabrication.
- Printed OECTs show promise in diverse applications, from biochemical sensors to neuromorphic computing.
Purpose of the Study:
- To review advancements in additive manufacturing techniques for OECTs.
- To examine emerging applications and device architectures of printed OECTs.
- To identify challenges and propose solutions for enhancing OECT performance and reliability.
Main Methods:
- Review of additive manufacturing techniques for OECTs.
- Analysis of device architectures and printing technologies.
- Examination of emerging applications and integration processes.
Main Results:
- Significant progress in printing technologies and device architectures for OECTs.
- Demonstrated versatility of printed OECTs in biochemical sensing and neuromorphic computing.
- Identified persistent challenges including material limitations, film homogeneity, and scalability.
Conclusions:
- Addressing material-related issues, film uniformity, and scalability is crucial for fully-printed OECTs.
- Future research should focus on overcoming these obstacles to improve performance and reliability.
- This work aims to guide the development of next-generation OECTs for sustainable and intelligent electronic systems.
