ArticleThe journal of physical chemistry letters2023
Hysteresis in Organic Electrochemical Transistors: Distinction of Capacitive and Inductive Effects.
Article in The journal of physical chemistry letters, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Organic Electrochemical Transistors for Neuromorphic Bioelectronics: Materials and Manufacturing Technologies.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Using the Transversal Admittance to Understand Organic Electrochemical Transistors.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Lateral intercalation-assisted ionic transport towards high-performance organic electrochemical transistor.Nature communications · 2024Article
- Switching Response in Organic Electrochemical Transistors by Ionic Diffusion and Electronic Transport.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Bistable organic electrochemical transistors: enthalpy vs. entropy.Nature communications · 2024Article
- Transient Response and Ionic Dynamics in Organic Electrochemical Transistors.Nano-micro letters · 2024Review
Corrections and comments
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Authors and funding
1 author.
Funding
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Abstract
Organic electrochemical transistors (OECTs) are effective devices for neuromorphic applications, bioelectronics, and sensors. Numerous reports in the literature show persistent dynamical hysteresis effects in the current-voltage curves, attributed to the slow ionic charging of the channel under the applied gate voltage. Here we present a model that considers the dominant electrical and electrochemical operation aspects of the device based on a thermodynamic function of ion insertion. We identify the volume capacitance as the derivative of the thermodynamic function, associated with the chemical capacitance of the ionic-electronic film. The dynamical analysis shows that the system contains both capacitive and inductive hysteresis effects. The inductor response, which can be observed in impedance spectroscopy, is associated with ionic diffusion from the surface to fill the channel up to the equilibrium value. The model reveals the multiple dynamical features associated with specific kinetic relaxations that control the transient and impedance response of the OCET.
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Registered trials
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