Investigation of adsorption-desorption phenomenon by using current fluctuations of amperometric NO 2 gas sensor
作者： Petr Sedlak , Jiri Majzner , Robert Macku , Pavel Skarvada , Vlasta Sedlakova
DOI: 10.1109/ICNF.2015.7288559
关键词:
摘要: Nitrogen dioxide (NO 2 ) is a highly toxic gas harmful to the environment even at low concentrations. To overcome limitations of standard solid NO sensors based on inorganic materials, fully printed sensor with polymer electrolytes (SPE) was developed in Regional Innovation Centre for Electrical engineering Czech Republic. The amperometric semi-planar three-electrode topology (reference, working and counter electrode) electrolyte. This paper focuses adsorption-desorption phenomenon by studying current fluctuations mean value during its exposition concentration cycle. Limits are from 0 6 ppm. Background noise thermal only apparent zero concentration, while, 1/f becomes main component higher
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