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ThinkMind // ALLSENSORS 2020, The Fifth International Conference on Advances in Sensors, Actuators, Metering and Sensing // View article allsensors_2020_2_10_70002


UV-assisted Chemiresistive Alcohol Sensor Based on Cobalt Doped Tin Dioxide

Authors:
Mikayel Aleksanyan
Artak Sayunts
Hayk Zakaryan
Vladimir Aroutiounian
Valeri Arakelyan
Gohar Shahnazaryan

Keywords: gas sensor; alcohol; UV radiation; room temperature; metal oxides.

Abstract:
In this paper, a sputtering ceramic target based on SnO2 doped with 2 at.% Co was synthesized by solid-phase reaction method. A chemiresisive alcohol vapor sensor based on SnO2<Co> was manufactured by the high-frequency magnetron sputtering method. The alcohol sensing properties of the SnO2<Co> sensor under the ultraviolet (UV) illumination were examined at room temperature. The UV-assisted alcohol sensor showed a sufficient response to low concentrations of alcohol vapor at room temperature. The Co-doped SnO2 sensor has also demonstrated a good response to alcohol vapors at elevated operating temperature (200 °C).

Pages: 13 to 17

Copyright: Copyright (c) IARIA, 2020

Publication date: March 22, 2020

Published in: conference

ISSN: 2519-836X

ISBN: 978-1-61208-766-5

Location: Valencia, Spain

Dates: from November 21, 2020 to November 21, 2020

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