Abstract
A resistive CO gas sensor has been fabricated using AC electrophoretic deposition (ACEPD) technique. SnO2 thick films are deposited by applying low frequency (0.01–1,000 Hz) AC electric field to a stable suspension of SnO2 nanoparticles in acetyl acetone. A carbon film base electrode is used as deposit substrate. Effect of CO gas exposure on conductivity of the SnO2 film at 300 °C is investigated. Results show that the sensor is sensitive and its response is repeatable. This work shows that ACEPD can be used as an easy and cheap technique for fabrication of electronic devices such as ceramic gas sensors.
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Schedule a callMore From: Journal of Materials Science: Materials in Electronics
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