Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 236, Issue -, Pages 1091-1097Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.06.042
Keywords
SnO2 sensor; Sol-gel synthesis; Inkjet printing; Polyimide foil; Gold heater
Funding
- LABEX MANUTECH-SISE of Universite de Lyon, within the program investissements d'Avenir [ANR-10-LABX-0075, ANR-11-IDEX-0007]
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A tin dioxide (SnO2) sensor was fabricated by inkjet printing onto polyimide foil. Gold electrodes and heater were printed on each side of the substrate. A SnO2 based ink was developed by sol-gel method and jetted onto the electrodes. A final annealing at 400 degrees C compatible with the polymeric transducers allowed to synthetize the SnO2 sensing film. Electrical measurements were carried out to characterize the response of the fully printed sensors under oxidizing and reducing gases. The device was heated up at a temperature between 200 and 300 degrees C using the integrated heater. The proper operation of the full printed metal-oxide gas sensors was validated under exposure to carbon monoxide and nitrogen dioxide, in dry and wet air. (C) 2016 Elsevier B.V. All rights reserved.
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