A Flexible Smart Sensor System Based on Hybrid Integration of Organic and Metal-Oxide Transistors

Moon Hyo Kang; Iyad Nasrallah; Sheida Faraji; Suresh K. Garlapati; Aiman Rahmanudin; Daniel J. Tate; Glenn Sunley Saez; Krishna C. Persaud; Michael L. Turner; Henning Sirringhaus

doi:10.1109/JSEN.2024.3388607

A Flexible Smart Sensor System Based on Hybrid Integration of Organic and Metal-Oxide Transistors

Moon Hyo Kang, Iyad Nasrallah, Sheida Faraji, Suresh K. Garlapati, Aiman Rahmanudin, Daniel J. Tate, Glenn Sunley Saez, Krishna C. Persaud, Michael L. Turner, Henning Sirringhaus^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Over the last decade, flexible electronic technology has been developed intensively and applied in sensor electronics. The use of sensors in a wide range of environments has been demanding a more compact and flexible platform. This article demonstrates a flexible smart sensor system integrating a p-Type polymer field-effect transistor (FET) sensor and a flexible operational amplifier using complementary n-Type metal-oxide and organic p-Type FETs. The fabricated flexible operational amplifier (OpAmp) showed high differential voltage gain (>100 V/V) and successfully converted the sensing current to output voltage. The sensing functions are integrated in a thin and flexible card format with power provided by a small photovoltaic (PV) module and we demonstrate successful PV-powered operation and detection of gaseous molecular analytes, such as ethanol. The system detects the sensing current change from 114 nA (without ethanol) to 86 nA (with ethanol) and transforms to an output voltage of ~1.2 V through the OpAMP. The ethanol sensing output is displayed on an electrophoretic display (EPD) implemented in the system.

Original language	English
Pages (from-to)	19673-19683
Number of pages	11
Journal	IEEE Sensors Journal
Volume	24
Issue number	12
DOIs	https://doi.org/10.1109/JSEN.2024.3388607
Publication status	Published - 15 Jun 2024
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2001-2012 IEEE.

Keywords

Complementary operational amplifier (OpAmp)
flexible field-effect transistor (FET)
gas sensor card
indacenodithiophene-benzothiadiazole (IDT-BT)
indium zinc oxide (IZO)
poly[2,5-(2-octyldodecyl)-3,6-diketopyrrolopyrrole-Alt-5,5[2,5-di(thien-2-yl)thieno][3,2-b]thiophene (DPPTTT)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/JSEN.2024.3388607

Cite this

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title = "A Flexible Smart Sensor System Based on Hybrid Integration of Organic and Metal-Oxide Transistors",

abstract = "Over the last decade, flexible electronic technology has been developed intensively and applied in sensor electronics. The use of sensors in a wide range of environments has been demanding a more compact and flexible platform. This article demonstrates a flexible smart sensor system integrating a p-Type polymer field-effect transistor (FET) sensor and a flexible operational amplifier using complementary n-Type metal-oxide and organic p-Type FETs. The fabricated flexible operational amplifier (OpAmp) showed high differential voltage gain (>100 V/V) and successfully converted the sensing current to output voltage. The sensing functions are integrated in a thin and flexible card format with power provided by a small photovoltaic (PV) module and we demonstrate successful PV-powered operation and detection of gaseous molecular analytes, such as ethanol. The system detects the sensing current change from 114 nA (without ethanol) to 86 nA (with ethanol) and transforms to an output voltage of ~1.2 V through the OpAMP. The ethanol sensing output is displayed on an electrophoretic display (EPD) implemented in the system.",

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author = "{Hyo Kang}, Moon and Iyad Nasrallah and Sheida Faraji and Garlapati, {Suresh K.} and Aiman Rahmanudin and Tate, {Daniel J.} and {Sunley Saez}, Glenn and Persaud, {Krishna C.} and Turner, {Michael L.} and Henning Sirringhaus",

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AU - Nasrallah, Iyad

AU - Faraji, Sheida

AU - Garlapati, Suresh K.

AU - Rahmanudin, Aiman

AU - Tate, Daniel J.

AU - Sunley Saez, Glenn

AU - Persaud, Krishna C.

AU - Turner, Michael L.

AU - Sirringhaus, Henning

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AB - Over the last decade, flexible electronic technology has been developed intensively and applied in sensor electronics. The use of sensors in a wide range of environments has been demanding a more compact and flexible platform. This article demonstrates a flexible smart sensor system integrating a p-Type polymer field-effect transistor (FET) sensor and a flexible operational amplifier using complementary n-Type metal-oxide and organic p-Type FETs. The fabricated flexible operational amplifier (OpAmp) showed high differential voltage gain (>100 V/V) and successfully converted the sensing current to output voltage. The sensing functions are integrated in a thin and flexible card format with power provided by a small photovoltaic (PV) module and we demonstrate successful PV-powered operation and detection of gaseous molecular analytes, such as ethanol. The system detects the sensing current change from 114 nA (without ethanol) to 86 nA (with ethanol) and transforms to an output voltage of ~1.2 V through the OpAMP. The ethanol sensing output is displayed on an electrophoretic display (EPD) implemented in the system.

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A Flexible Smart Sensor System Based on Hybrid Integration of Organic and Metal-Oxide Transistors

Abstract

Bibliographical note

Keywords

UN SDGs

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