Preprint Article Version 1 This version is not peer-reviewed

PEDOT:PSS-Based Temperature-Detection Thread for Wearable Devices

Version 1 : Received: 24 July 2018 / Approved: 24 July 2018 / Online: 24 July 2018 (08:28:17 CEST)

A peer-reviewed article of this Preprint also exists.

Lee, J.-W.; Han, D.-C.; Shin, H.-J.; Yeom, S.-H.; Ju, B.-K.; Lee, W. PEDOT:PSS-Based Temperature-Detection Thread for Wearable Devices. Sensors 2018, 18, 2996. Lee, J.-W.; Han, D.-C.; Shin, H.-J.; Yeom, S.-H.; Ju, B.-K.; Lee, W. PEDOT:PSS-Based Temperature-Detection Thread for Wearable Devices. Sensors 2018, 18, 2996.

Journal reference: Sensors 2018, 18, 2996
DOI: 10.3390/s18092996

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 W/°C with 99.8% linearity in the temperature range of -50 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.

Subject Areas

temperature-detection; thread; PEDOT:PSS; wearable devices

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