A wearable and wireless gas-sensing system using flexible polymer/multi-walled carbon nanotube composite Films

Jin-Chern Chiou, Chin Cheng Wu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

In this study, an integrated flexible gas sensor was developed based on a polymer/multiwalled carbon nanotube composite film by using Bluetooth wireless communication/interface technology. Polymer/multi-walled carbon nanotube composite films were deposited over a polyimide flexible substrate for building a gas sensor array by using a drop-casting method. Sensor response was acquired through interdigitated electrodes and multi-channel sensor boards, which were linked to a Bluetooth wireless transceiver. Additionally, a double-spiral-shaped heater was built into the backside of the gas sensor array as a thermostat to protect it from the influence of ambient temperature. Multi-channel sensing responses were read on a display screen via a smartphone application (app). The advantages of this system include light weight, low cost, highly integrated sensors, wireless telecommunication, and real-time functioning. Thus, it is a promising candidate for deployment in a wearable gas-sensing system used to study air pollution.

Original languageEnglish
Article number457
JournalPolymers
Volume9
Issue number9
DOIs
StatePublished - 18 Sep 2017

Keywords

  • Air pollution
  • Polymer/multi-walled carbon nanotube composites
  • Wearable device
  • Wireless device

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