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- W4232865443 abstract "Solution-gated transistors have shown promising applications in biosensors due to the high sensitivity, low working voltage and the simple design of the devices. Solution-gated transistors normal have no gate dielectric and the gate voltages are applied directly on the solid/electrolyte interfaces or electric double layers near the channel and the gate, which lead to very low working voltages (about 1 V) of the transistors. On the other hand, the devices can be easily prepared by solution process or other convenient methods because of the much simpler device structure compared with that of a conventional field effect transistor with several layers. Many biosensors can be developed based on the detection of potential changes across solid/electrolyte interfaces induced by electrochemical reactions or interactions. The devices normally can show high sensitivity due to the inherent amplification function of the transistors. Here, I will introduce several types of biosensors studied by our group recently, including DNA, glucose, dopamine, uric acid, cell, and bacteria sensors, based on solution-gated organic electrochemical transistors.[1] The biosensors show high sensitivity and selectivity when the devices are modified with functional nano-materials (e.g. graphene, Pt nanoparticles) and biomaterials (e.g. enzyme, antibody, DNA) on the gate electrodes or the channel. Furthermore, the devices are miniaturized successfully for the applications as sensing arrays. It is expected that the solution-gated organic transistors will find more important applications in the future. Some representative works are presented as follows." @default.
- W4232865443 created "2022-05-12" @default.
- W4232865443 date "2016-01-01" @default.
- W4232865443 modified "2023-09-26" @default.
- W4232865443 title "High-Performance Biosensors Based on Solution-Gated Organic Thin Film Transistors" @default.
- W4232865443 doi "https://doi.org/10.1149/ma2016-02/33/2158" @default.
- W4232865443 hasPublicationYear "2016" @default.
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