Title :
The gas-analytical multisensor chip based on monolithic catalyst elements
Author :
Lashkov, Andrey V. ; Dobrokhotov, Vladimir V. ; Sysoev, Victor V.
Author_Institution :
Yuri Gagarin State Tech. Univ. of Saratov, Saratov, Russia
Abstract :
The implementation and experimental approbation of gas-analytical multisensor chip based on thermocatalytic effect has been considered. The chip is equipped with a polycrystalline Al2O3 layer functionalized by PdCl2 and H2PtCl6 solutions and segmented by coplanar electrodes which divide it into four thermocatalytic sensor elements. The developed chip is found to be sensitive to vapors of acetone and isopropanol in a mixture with air (concentration: 350000 ppm for acetone, 70000 ppm for isopropanol). A vector signal of the array consisted of these four catalytic combustion-type sensor elements located at the chip shows a possibility to selectively recognize the test gas mixtures by processing via a linear-discriminant analysis.
Keywords :
aluminium compounds; catalysts; combustion; electrochemical electrodes; gas mixtures; gas sensors; organic compounds; sensor arrays; sensor fusion; temperature sensors; thermochemistry; Al2O3; acetone; catalytic combustion-type sensor element; coplanar electrode; gas-analytical multisensor chip; isopropanol; linear-discriminant analysis; monolithic catalyst element; polycrystalline Al2O3 layer; thermocatalytic effect; thermocatalytic sensor element; vector signal array; Aluminum oxide; Arrays; Electrodes; Gases; Heating; Semiconductor device measurement; Substrates; catalytic combustion-type sensor; gas analytical array; gas recognition; gas sensor; multisensor chip;
Conference_Titel :
Control and Communications (SIBCON), 2015 International Siberian Conference on
Conference_Location :
Omsk
Print_ISBN :
978-1-4799-7102-2
DOI :
10.1109/SIBCON.2015.7147121
