31 August 2015 Fully printed metabolite sensor using organic electrochemical transistor
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Abstract
As conducting polymer based devices, organic electrochemical transistors (OECTs) are suited for printing process. The convenience of the screen-printing techniques allowed us to design and fabricate OECTs with a selected design and using different gate material. Depending on the material used, we were able to tune the transistor for different biological application. Ag/AgCl gate provided transistor with good transconductance, and electrochemical sensitivity to pH was provided by polyaniline ink. Finally, we validate the enzymatic sensing of glucose and lactate with a Poly(3,4-ethylene dioxythiophene) doped with poly(styrene sulfonate) (PEDOT:PSS) gate often used due to its biocompatible properties. The screen-printing process allowed us to fabricate a large amount of devices in a short period of time, using only commercially available grades of ink, showing by this way the possible transfer to industrial purpose.
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Gaëtan Scheiblin, Gaëtan Scheiblin, Abdelkader Aliane, Abdelkader Aliane, Romain Coppard, Romain Coppard, Róisín M. Owens, Róisín M. Owens, Pascal Mailley, Pascal Mailley, George G. Malliaras, George G. Malliaras, } "Fully printed metabolite sensor using organic electrochemical transistor", Proc. SPIE 9568, Organic Field-Effect Transistors XIV; and Organic Sensors and Bioelectronics VIII, 95681E (31 August 2015); doi: 10.1117/12.2186385; https://doi.org/10.1117/12.2186385
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