Hydrogen gas diffusion imaging using multiple FET type gas sensors

Abstract

Imaging of hydrogen gas concentrations were demonstrated using arrayed sensors system in the cylindrical diffusion tank-shaped simulator. The field effect transistor type hydrogen sensors with platinum gate electrode were used. The sensitivity of the sensors was around −34.1 mV/dec. and the response time was 1.2 sec. in average. By applying a sensor drive… (More)

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