Toward Stable p‐Type Thiophene‐Based Organic Electrochemical Transistors

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Abstract: Operational stability is essential for the success of organic electrochemical transistors (OECTs) in bioelectronics. The oxygen reduction reaction (ORR) is a common electrochemical side reaction that can compromise the stability of OECTs, but the relationship between ORR and materials degradation is poorly understood. In this study, the impact of ORR on the stability and degradation mechanisms of thiophene‐based OECTs is investigated. The findings show that an increase in pH during ORR leads to the degradation of the polymer backbone. By using a protective polymer glue layer between the semiconductor channel and the aqueous electrolyte, ORR is effectively suppressed and the stability of the OECTs is significantly improved, resulting in current retention of nearly 90% for ≈2 h cycling in the saturation regime.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Toward Stable p‐Type Thiophene‐Based Organic Electrochemical Transistors ; day:15 ; month:06 ; year:2023 ; extent:10
Advanced functional materials ; (15.06.2023) (gesamt 10)

Creator: Zhang, Silan
Ding, Penghui
Ruoko, Tero‐Petri
Wu, Ruiheng
Stoeckel, Marc‐Antoine
Massetti, Matteo
Liu, Tiefeng
Vagin, Mikhail
Meli, Dilara
Kroon, Renee
Rivnay, Jonathan
Fabiano, Simone

DOI: 10.1002/adfm.202302249

URN: urn:nbn:de:101:1-2023061615111106950477

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:46 AM CEST

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Zhang, Silan
Ding, Penghui
Ruoko, Tero‐Petri
Wu, Ruiheng
Stoeckel, Marc‐Antoine
Massetti, Matteo
Liu, Tiefeng
Vagin, Mikhail
Meli, Dilara
Kroon, Renee
Rivnay, Jonathan
Fabiano, Simone

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Toward Stable p‐Type Thiophene‐Based Organic Electrochemical Transistors

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Other Objects (12)

Stable operating windows for polythiophene organic electrochemical transistors

Semiconducting Small Molecules as Active Materials for p‐Type Accumulation Mode Organic Electrochemical Transistors

Switching p-type to high-performance n-type organic electrochemical transistors via doped state engineering

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Thermodynamics of organic electrochemical transistors

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Solid‐State Electrochemical Thermal Transistors

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