Effects of temperature and UV irradiation on picosecond laser fabricated flexible graphene microsensor for NO detection

Chien Ping Wang; Guo Hua Lee; Tien Li Chang

doi:10.1007/s00339-023-06628-8

Effects of temperature and UV irradiation on picosecond laser fabricated flexible graphene microsensor for NO detection

Chien Ping Wang^*, Guo Hua Lee, Tien Li Chang^*

^*Corresponding author for this work

Department of Mechatronic Engineering

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

Abstract

In this study, a flexible graphene microsensor with an embedded microheater was fabricated for nitrogen monoxide (NO) detection. The microsensor and heater were fabricated on a polyethylene terephthalate (PET) substrate through picosecond laser ablation. The results of this study indicated that sensor temperature could be precisely and quickly controlled by adjusting the driving voltage of the microheater. The NO recovery time decreased from 1520 to 283 s (a drastic reduction of 81%) as the sensor temperature increased from 20 to 100 °C. Under ultraviolet (UV) irradiation, the recovery time decreased with the increase in input power of the LEDs. The recovery time decreased by 78% when the distance was 5 mm. In addition, the light-activation of UV-C light-emitting diodes (LED) revealed the promising gas sensing characteristics and visualized their possibility and capabilities. Furthermore, the gas sensor exhibited outstanding durability during cyclic bending tests. An increase in the bending angle decreased sensor response and increased NO recovery time, because sensor deformation influenced sensor conductivity. This study demonstrated the picosecond laser technique to the fabricated flexible graphene microsensor with the heating rate and UV-C irradiation, helping to design next-generation advanced devices for gas detection.

Original language	English
Article number	355
Journal	Applied Physics A: Materials Science and Processing
Volume	129
Issue number	5
DOIs	https://doi.org/10.1007/s00339-023-06628-8
Publication status	Published - 2023 May

Keywords

Flexible device
Gas detection
Microsensor
Picosecond laser process
Temperature
UV irradiation

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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10.1007/s00339-023-06628-8

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title = "Effects of temperature and UV irradiation on picosecond laser fabricated flexible graphene microsensor for NO detection",

abstract = "In this study, a flexible graphene microsensor with an embedded microheater was fabricated for nitrogen monoxide (NO) detection. The microsensor and heater were fabricated on a polyethylene terephthalate (PET) substrate through picosecond laser ablation. The results of this study indicated that sensor temperature could be precisely and quickly controlled by adjusting the driving voltage of the microheater. The NO recovery time decreased from 1520 to 283 s (a drastic reduction of 81%) as the sensor temperature increased from 20 to 100 °C. Under ultraviolet (UV) irradiation, the recovery time decreased with the increase in input power of the LEDs. The recovery time decreased by 78% when the distance was 5 mm. In addition, the light-activation of UV-C light-emitting diodes (LED) revealed the promising gas sensing characteristics and visualized their possibility and capabilities. Furthermore, the gas sensor exhibited outstanding durability during cyclic bending tests. An increase in the bending angle decreased sensor response and increased NO recovery time, because sensor deformation influenced sensor conductivity. This study demonstrated the picosecond laser technique to the fabricated flexible graphene microsensor with the heating rate and UV-C irradiation, helping to design next-generation advanced devices for gas detection.",

keywords = "Flexible device, Gas detection, Microsensor, Picosecond laser process, Temperature, UV irradiation",

author = "Wang, {Chien Ping} and Lee, {Guo Hua} and Chang, {Tien Li}",

note = "Funding Information: This work was supported by the National Science and Technology Council, Republic of China (Taiwan) under Grant Numbers 111-2221-E-027-090, 111-2221-E-003-008-MY3, and 109-2628-E-003-001-MY3. Publisher Copyright: {\textcopyright} 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.",

year = "2023",

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doi = "10.1007/s00339-023-06628-8",

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AU - Wang, Chien Ping

AU - Lee, Guo Hua

AU - Chang, Tien Li

N1 - Funding Information: This work was supported by the National Science and Technology Council, Republic of China (Taiwan) under Grant Numbers 111-2221-E-027-090, 111-2221-E-003-008-MY3, and 109-2628-E-003-001-MY3. Publisher Copyright: © 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.

PY - 2023/5

Y1 - 2023/5

N2 - In this study, a flexible graphene microsensor with an embedded microheater was fabricated for nitrogen monoxide (NO) detection. The microsensor and heater were fabricated on a polyethylene terephthalate (PET) substrate through picosecond laser ablation. The results of this study indicated that sensor temperature could be precisely and quickly controlled by adjusting the driving voltage of the microheater. The NO recovery time decreased from 1520 to 283 s (a drastic reduction of 81%) as the sensor temperature increased from 20 to 100 °C. Under ultraviolet (UV) irradiation, the recovery time decreased with the increase in input power of the LEDs. The recovery time decreased by 78% when the distance was 5 mm. In addition, the light-activation of UV-C light-emitting diodes (LED) revealed the promising gas sensing characteristics and visualized their possibility and capabilities. Furthermore, the gas sensor exhibited outstanding durability during cyclic bending tests. An increase in the bending angle decreased sensor response and increased NO recovery time, because sensor deformation influenced sensor conductivity. This study demonstrated the picosecond laser technique to the fabricated flexible graphene microsensor with the heating rate and UV-C irradiation, helping to design next-generation advanced devices for gas detection.

AB - In this study, a flexible graphene microsensor with an embedded microheater was fabricated for nitrogen monoxide (NO) detection. The microsensor and heater were fabricated on a polyethylene terephthalate (PET) substrate through picosecond laser ablation. The results of this study indicated that sensor temperature could be precisely and quickly controlled by adjusting the driving voltage of the microheater. The NO recovery time decreased from 1520 to 283 s (a drastic reduction of 81%) as the sensor temperature increased from 20 to 100 °C. Under ultraviolet (UV) irradiation, the recovery time decreased with the increase in input power of the LEDs. The recovery time decreased by 78% when the distance was 5 mm. In addition, the light-activation of UV-C light-emitting diodes (LED) revealed the promising gas sensing characteristics and visualized their possibility and capabilities. Furthermore, the gas sensor exhibited outstanding durability during cyclic bending tests. An increase in the bending angle decreased sensor response and increased NO recovery time, because sensor deformation influenced sensor conductivity. This study demonstrated the picosecond laser technique to the fabricated flexible graphene microsensor with the heating rate and UV-C irradiation, helping to design next-generation advanced devices for gas detection.

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KW - Picosecond laser process

KW - Temperature

KW - UV irradiation

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Effects of temperature and UV irradiation on picosecond laser fabricated flexible graphene microsensor for NO detection

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