Environmental Effects on the Performance of Small‐Molecule Organic Thin‐Film Transistors

Abstract: Electrical measurements are performed on a bottom‐gate bottom‐contact organic thin‐film transistor with 2,8‐difluoro‐5,11‐bis (triethylsilylethynyl) anthradithiophene (diF‐TES ADT) (diF‐TES ADT) as the active layer, varying the relative humidity of the environment surrounding the transistor. The results strongly indicate that water negatively impacts the electrical performance of the transistor and that the ingress of water is dynamic provided that the organic semiconductor layer is not encapsulated. It is found that the change can be reversed and the performance restored by removing the source of water. The drain current and threshold voltage of the transistor varied linearly when the relative humidity is changed from 35% to 7%, suggesting that the transistor can be used as a humidity sensor.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Environmental Effects on the Performance of Small‐Molecule Organic Thin‐Film Transistors ; day:13 ; month:03 ; year:2024 ; extent:8
Advanced materials interfaces ; (13.03.2024) (gesamt 8)

Urheber
Jagoo, Zafrullah
McNeil, L.E.

DOI
10.1002/admi.202301088
URN
urn:nbn:de:101:1-2024031313402827002841
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
14.08.2025, 10:59 MESZ

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Beteiligte

  • Jagoo, Zafrullah
  • McNeil, L.E.

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