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Updated: Feb 6, 2026

Translating Extracellular Electron Transfer Activities with Organic Electrochemical Transistors

Translating Extracellular Electron Transfer Activities with Organic Electrochemical Transistors

Published on: January 31, 2025

Doping: A Key Enabler for Organic Transistors.

Yong Xu¹, Huabin Sun², Ao Liu¹

¹Department of Energy and Materials Engineering, Dongguk University, 26 Pil-dong, 3-ga, Jung-gu, Seoul, 100-715, Republic of Korea.

Advanced Materials (Deerfield Beach, Fla.)

|August 14, 2018

Summary

Doping is crucial for high-performance organic field-effect transistors (OFETs), enabling essential components like Ohmic contacts. This review explores OFET doping from a device perspective, covering mechanisms, techniques, and benefits for advanced electronics.

Keywords:

conjugated polymers doping organic electronics organic transistors

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Area of Science:

Organic electronics
Semiconductor device physics

Background:

Organic field-effect transistors (OFETs) are foundational to organic electronics but face performance limitations.
Doping, vital for conventional semiconductors, is largely avoided in OFETs due to concerns about dopant diffusion.

Purpose of the Study:

To provide a device-centric review of doping in OFETs.
To elucidate the fundamental principles and benefits of doping for OFET performance.

Main Methods:

Overview of doping basics and roles in complementary technologies.
Examination of typical undoped OFETs, their operating principles, and limitations.
Analysis of doping achievements in OFET channels and contacts.

Main Results:

Doping is identified as a key enabler for high-performance OFETs.
Understanding doping fundamentals clarifies its role in achieving desired transistor characteristics.
Doping strategies for channels, contacts, and overall device enhancement are reviewed.

Conclusions:

Fundamental understanding of OFET doping is essential for developing high-performance devices.
Doping can overcome limitations of undoped OFETs, enabling advanced functionalities.
This review consolidates knowledge on doping mechanisms, techniques, and dopants for OFET applications.