Fully printed metabolite sensor using organic electrochemical transistor

Gaëtan Scheiblin; Abdelkader Aliane; Romain Coppard; Róisín M. Owens; Pascal Mailley; George G. Malliaras

doi:10.1117/12.2186385

31 August 2015 Fully printed metabolite sensor using organic electrochemical transistor

Gaëtan Scheiblin, Abdelkader Aliane, Romain Coppard, Róisín M. Owens, Pascal Mailley, George G. Malliaras

Proceedings Volume 9568, Organic Field-Effect Transistors XIV; and Organic Sensors and Bioelectronics VIII; 95681E (2015) https://doi.org/10.1117/12.2186385
Event: SPIE Organic Photonics + Electronics, 2015, San Diego, California, United States

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.

Citation Download Citation

Gaëtan Scheiblin, Abdelkader Aliane, Romain Coppard, Róisín M. Owens, Pascal Mailley, and 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); https://doi.org/10.1117/12.2186385

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