PEDOT:PSS-based temperature-detection thread for wearable devices

Jin Woo Lee; Dong Cheul Han; Han Jae Shin; Se Hyeok Yeom; Byeong Kwon Ju; Wanghoon Lee

doi:10.3390/s18092996

PEDOT:PSS-based temperature-detection thread for wearable devices

Jin Woo Lee, Dong Cheul Han, Han Jae Shin, Se Hyeok Yeom, Byeong Kwon Ju, Wanghoon Lee

School of Electrical Engineering

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

In this research, we developed a wearable temperature-sensing element by dip dyeing threads in poly (3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) (p-type conducting polymer) solution. The PEDOT:PSS was used to dye the textile and it exhibited negative temperature coefficient characteristics in which the resistance decreases as the temperature increases. The fabricated temperature-detection thread achieved a sensitivity of 167.1 Ω/^◦C with 99.8% linearity in the temperature range of −50^◦C to 80^◦C. We anticipate that temperature sensors that apply our technology will be made as stitch-or textile-type for wearable devices, and they will be widely adopted for different applications such as in fitness, leisure, healthcare, medical treatment, infotainment, industry, and military applications, among others.

Original language	English
Article number	2996
Journal	Sensors (Switzerland)
Volume	18
Issue number	9
DOIs	https://doi.org/10.3390/s18092996
Publication status	Published - 2018 Sep 7

Keywords

PEDOT:PSS
Temperature-detection
Thread
Wearable devices

ASJC Scopus subject areas

Analytical Chemistry
Atomic and Molecular Physics, and Optics
Biochemistry
Instrumentation
Electrical and Electronic Engineering

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Cite this

Lee, J. W., Han, D. C., Shin, H. J., Yeom, S. H., Ju, B. K., & Lee, W. (2018). PEDOT:PSS-based temperature-detection thread for wearable devices. Sensors (Switzerland), 18(9), [2996]. https://doi.org/10.3390/s18092996

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abstract = "In this research, we developed a wearable temperature-sensing element by dip dyeing threads in poly (3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) (p-type conducting polymer) solution. The PEDOT:PSS was used to dye the textile and it exhibited negative temperature coefficient characteristics in which the resistance decreases as the temperature increases. The fabricated temperature-detection thread achieved a sensitivity of 167.1 Ω/◦C with 99.8% linearity in the temperature range of −50◦C to 80◦C. We anticipate that temperature sensors that apply our technology will be made as stitch-or textile-type for wearable devices, and they will be widely adopted for different applications such as in fitness, leisure, healthcare, medical treatment, infotainment, industry, and military applications, among others.",

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AU - Lee, Jin Woo

AU - Han, Dong Cheul

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AU - Yeom, Se Hyeok

AU - Ju, Byeong Kwon

AU - Lee, Wanghoon

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KW - Wearable devices

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