An Inkjet Printed ZNO Based Gas Sensor on a Flexible High Temperature Substrate for NO2 Sensing

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Abstract

In this work we demonstrate the realization of a simple and low cost NO2 gas sensor on a flexible polymer substrate. The sensor was fabricated using inkjet printing and hydrothermal growth and consists of a printed interdigital structure on which a sensitive zinc oxide layer was grown. The chosen growing process does not require an additional seed layer, which allows to directly grow the zinc oxide layer on the substrate. Furthermore, the operating temperature was intrinsically achieved with an inkjet printed heater, which is located at the backside of the sensor.
Original languageEnglish
Title of host publicationProceedings Transducers 2019
Number of pages4
Publication statusPublished - Jun 2019

Fields of science

  • 202019 High frequency engineering
  • 202021 Industrial electronics
  • 202036 Sensor systems
  • 203017 Micromechanics
  • 202 Electrical Engineering, Electronics, Information Engineering
  • 202027 Mechatronics
  • 202028 Microelectronics
  • 202037 Signal processing

JKU Focus areas

  • Digital Transformation

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