Fig. 8: OECT-based DA sensors with gate functionalization.
From: Biomolecule sensors based on organic electrochemical transistors

a Pt gate modified with Nafion (or chitosan) and graphene (or rGO) flakes of an OECT-based DA sensor and b response of ID to the addition of DA and c change of VeffG as a function of analyte concentration. a–c Reproduced with permission86. Copyright 2013, Royal Society of Chemistry. d Schematic diagram and ID vs. times of the Nafion/rGO/CSF-based OECT sensor. Reproduced with permission6. Copyright 2019, Elsevier. e Overall structure diagram and f NCR of the OECT sensors with Pt gate and o-MIP/Pt gate under different accumulative analyte concentrations. Note that the MIP is templated by DA. Each error bar is derived from the NCR of five devices. Reproduced with permission89. Copyright 2022, American Chemical Society.