BaSnO 3 Thick Film as a Carbon Dioxide Sensor

BaSnO 3 Thick Film as a Carbon Dioxide Sensor

BaSnO3 has been prepared as porous screen-printed thick films gas sensors. The sensor material was characterised by scanning electron microscopy and X-ray diffraction. The sensors gas response was investigated by exposure to varying concentrations of CO2 gas in synthetic air and mixtures of CO and C...

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description BaSnO3 has been prepared as porous screen-printed thick films gas sensors. The sensor material was characterised by scanning electron microscopy and X-ray diffraction. The sensors gas response was investigated by exposure to varying concentrations of CO2 gas in synthetic air and mixtures of CO and CO2 all at a variety of different operating temperatures. Finally the gas response was examined to potential intereferant gases including humidty. It was found that at an operating temperature of 500 °C and to a 2000 ppm pulse of CO2 the sensors gave a gas response of 3.10, higher than current literature values. It was also found that increasing relative humidity enhanced the gas response in contrast to other approaches.
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identifier ISSN: 1938-5862
ispartof ECS transactions, 2011, Vol.35 (30), p.103-112
issn 1938-5862
1938-6737
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source IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link
title BaSnO 3 Thick Film as a Carbon Dioxide Sensor
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