The effect of film oxygen content on SnOitx gas-sensor selectivity

 
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1995 (EN)
The effect of film oxygen content on SnOitx gas-sensor selectivity (EN)

Papadopoulos, CA (EN)
Avaritsiotis, JN (EN)
Vlachos, DS (EN)

N/A (EN)

The effect of the oxyen content in tin oxide films on selectivity in gas detection has been studied. The experimental results show that sensors with different Sn:O ratios exhibit different behaviour in response to CO and ethanol. A theoretical explanation of this phenomenon is presented, which is based on the density of oxygen vacancies at the surface. Moreover, a simple parametric method using three sensors with different Sn:O ratios has been tested to distinguish between CO and ethanol. © 1995. (EN)

journalArticle

Chemical sensors (EN)
Ethanol (EN)
Semiconductor devices (EN)
Thin film devices (EN)
Gas sensor selectivity (EN)
Tin oxide (EN)
Semiconducting tin compounds (EN)
Carbon monoxide (EN)
Gas sensors (EN)
Composition effects (EN)
Tin oxide films (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

Sensors and Actuators: B. Chemical (EN)

1995


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