Inkjet-Printed Human Body Temperature Sensor for Wearable Electronics

Shawkat Ali, Saleem Khan, Amine Bermak

Research output: Contribution to journalArticle

Abstract

This paper presents an all-printed human body temperature sensor developed on a plastic substrate with high deformation characteristics. The sensors are developed on 50μm thick Kapton substrate with structural configuration of silver interdigital electrodes (IDEs) fabricated through inkjet material printer DMP 2850 and the sensing film based on carbon black deposited through doctor blade coating. Interdigital distance of the IDEs were optimized by evaluating sensors' performance against changing the fingers spacing within a close range of 0.1-1 mm. Good sensitivity i.e. 0.00375 °C-1 is achieved at a temperature range of 28 to 50 °C with response and recovery times of 4 and 8.5 sec, respectively. Robustness of the sensor was also evaluated for a period of 50 days and a negligible drift (1Ω) in the base resistance was recorded. The sensor exhibited bendability down to 5 mm and was also characterized for the chemical and electrical properties i.e. resistance variation, surface morphology and Raman shift analysis of the carbon black. This wearable sensor can potentially be applied on human body for continuous temperature monitoring as well as on the artificial skin for social and industrial robotic applications.

Original languageEnglish
Article number8882210
Pages (from-to)163981-163987
Number of pages7
JournalIEEE Access
Volume7
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Temperature sensors
Soot
Sensors
Carbon black
Artificial Skin
Electrodes
Substrates
Formability
Silver
Chemical properties
Surface morphology
Skin
Robotics
Electric properties
Plastics
Recovery
Coatings
Temperature
Wearable technology
Monitoring

Keywords

  • human body temperature
  • inkjet printing
  • printed sensor
  • silver nanoparticles
  • Temperature sensor

ASJC Scopus subject areas

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Inkjet-Printed Human Body Temperature Sensor for Wearable Electronics. / Ali, Shawkat; Khan, Saleem; Bermak, Amine.

In: IEEE Access, Vol. 7, 8882210, 01.01.2019, p. 163981-163987.

Research output: Contribution to journalArticle

Ali, Shawkat ; Khan, Saleem ; Bermak, Amine. / Inkjet-Printed Human Body Temperature Sensor for Wearable Electronics. In: IEEE Access. 2019 ; Vol. 7. pp. 163981-163987.
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