Investigation of sensing capabilities of organic bi-layer thermistor in wearable e-textile and wireless sensing devices

Victor Lebedev, Elena Laukhina, Vladimir Laukhin, Andrey Somov, Alexander M. Baranov, Concepcio Rovira, Jaume Veciana

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

This study is stimulated by the discovery of high sensitivity of nanostructured layers of organic semiconductor α'-BEDT-TTF)2IxBr3-x [BEDT-TTF = bis(ethylendithio)-tetrathiafulvalene] to heat radiation. We present the development and assessment of the flexible lightweight highly sensitive film-based thermistor as (i) a separate sensor, (ii) a sensor integrated in e-textile and (iii) a sensor embedded in a wireless sensor node. Wireless Sensor Networks (WSN) and Internet of Things (IoT), being two promising technologies, have already been applied in a number of monitoring scenarios. In spite of great progress achieved in sensing technologies and wireless embedded systems there is a gap in multidisciplinary research aimed at investigating the aggregate potential of these technologies. Experimental results demonstrate that the developed bi-layer organic thermistor has high potential for environmental and biomedical monitoring. They can be used as a part of wearable units or as sensing units on board of wireless sensing devices.

Original languageEnglish
Pages (from-to)146-152
Number of pages7
JournalOrganic Electronics
Volume42
DOIs
Publication statusPublished - 1 Mar 2017
Externally publishedYes

Keywords

  • E-textile
  • Organic molecular conductors
  • Thermistor
  • Wireless sensor node

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