Voltage Amplifier Based on Organic Electrochemical Transistor.
Adv Sci (Weinh)
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Braendlein, M., Lonjaret, T., Leleux, P., Badier, J., & Malliaras, G. (2017). Voltage Amplifier Based on Organic Electrochemical Transistor.. Adv Sci (Weinh), 4 (1), 1600247-1600247. https://doi.org/10.1002/advs.201600247
Organic electrochemical transistors (OECTs) are receiving a great deal of attention as amplifying transducers for electrophysiology. A key limitation of this type of transistors, however, lies in the fact that their output is a current, while most electrophysiology equipment requires a voltage input. A simple circuit is built and modeled that uses a drain resistor to produce a voltage output. It is shown that operating the OECT in the saturation regime provides increased sensitivity while maintaining a linear signal transduction. It is demonstrated that this circuit provides high quality recordings of the human heart using readily available electrophysiology equipment, paving the way for the use of OECTs in the clinic.
device physics, electrocardiography, organic electronics, poly(3,4‐ethylenedioxythiophene):poly(styrene sulfonate), voltage amplifier circuit
External DOI: https://doi.org/10.1002/advs.201600247
This record's URL: https://www.repository.cam.ac.uk/handle/1810/274438
Attribution 4.0 International
Licence URL: http://creativecommons.org/licenses/by/4.0/
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