Damage‐Free Passivation of Ambipolar OECTs with Fluoropolymer Film for Enhanced Performance and Stability Toward Reliable Biosignal Processing
Junyeong Yang, Bohyun Lee, Hanna Lee, Mingyu Kim, Changsoon Choi, Jung Ah Lim, Youson Kim, Sung Gap Im · 2026
Read Damage‐Free Passivation of Ambipolar OECTs with Fluoropolymer Film for Enhanced Performance and Stability Toward Reliable Biosignal Processing by Junyeong Yang, Bohyun Lee, Hanna Lee, Mingyu Kim, Changsoon Choi, Jung Ah Lim, Youson Kim, Sung Gap Im (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13535796.txt.
Description
Junyeong Yang and seven colleagues published a 2026 study on protecting a type of transistor used to read body signals. These devices, organic electrochemical transistors, amplify faint biosignals well and run at low voltage. Their soft channel material can break down with use, which limits trust in them.
The team coated the channel with a thin fluoropolymer film. The coat went on by a solvent-free vapor method that does not harm the layer below. Their device can carry both kinds of charge flow, a trait called ambipolar. The coat raised both output and stability in tests. Steadier devices could make wearable health sensors last longer between failures.
Catalog record
| CREATOR | Junyeong Yang, Bohyun Lee, Hanna Lee, Mingyu Kim, Changsoon Choi, Jung Ah Lim, Youson Kim, Sung Gap Im |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 52 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |