Biofunctional Electrolyte-Gated Organic Field-Effect Transistors

Biofunctional Electrolyte-Gated Organic Field-Effect Transistors

The surface modification of solution‐gated organic field‐effect transistors is investigated. The introduction of different surface groups leads to a control of the pH sensitivity, determined by the pKa value of the added surface moiety. Together with the successful demonstration of enzyme modificati...

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Veröffentlicht in:Advanced materials (Weinheim) 2012-08, Vol.24 (33), p.4511-4517
Hauptverfasser: Buth, Felix, Donner, Andreas, Sachsenhauser, Matthias, Stutzmann, Martin, Garrido, Jose A.
Format: Artikel
Sprache:eng
Schlagworte:
(organic) field-effect transistors
bioelectronics
Electrodes
Electrolytes - chemistry
Enzymes, Immobilized - chemistry
Heterocyclic Compounds, 4 or More Rings - chemistry
organic electronics
sensors/biosensors
Thiophenes - chemistry
Transistors, Electronic
Water - chemistry
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Beschreibung
Zusammenfassung:The surface modification of solution‐gated organic field‐effect transistors is investigated. The introduction of different surface groups leads to a control of the pH sensitivity, determined by the pKa value of the added surface moiety. Together with the successful demonstration of enzyme modification of the surface, this work reveals the large potential of organic SGFETs for biosensor applications.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201201841