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Vol. 228, Issue 12, December 2018, pp. 17-22




Inkjet-printed Differential Amplifiers with Single-walled Carbon Nano Tubes Transistors
with Sensor Applications

R. Kamali-Sarvestani and B. Wright, K. Triyasakorn

Utah Valley University, CS 520-b, 84058, USA
Tel.: 8018638978, fax: 801-224-2934

E-mail: reza.kamali@uvu.edu


Received: 11 June 2018 /Accepted: 1 October 2018 /Published: 31 December 2018

Digital Sensors and Sensor Sysstems


Abstract: In recent years, there have been numerous advances for finding new materials in the field of nanotechnology. One material that was found applicable as semiconductor is carbon nanotubes (CNT). This paper will focus on the application of single walled carbon nanotubes (SWNT) in fabricating electrical components such as thin-film transistor and capacitors using a Dimatix DMP-2800 materials inkjet printer. In this study, CNT was used for the fabrication of a differential amplifier in nine steps. The fabricated circuit was tested by adding biasing resistors. During testing, the device showed the best characteristic between gate voltages of -5 V to -25 V. The threshold voltage was -9 V and transconductane (gm) was linear in the working region. This type of differential amplifier is a good candidate for the application of sensors in flexible electronics.


Keywords: Single Wall Carbon Nano Tube (CNT), Differential Amplifier, Inkjet Printing, Printing Electronics, Flexible Electronics.


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