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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F03%3APU38695%21RIV%2F2004%2FMSM%2F262204%2FN
rdf:type
n16:Vysledek skos:Concept
dcterms:description
We present the results on the use of a catalytic filter (Pt-Al2O3) printed on a tungsten oxide active layer to detect benzene selectively. It is shown that the effect of the catalytic layer is twofold: It dramatically increases the sensitivity of the tungsten oxide film to benzene vapours at first and on contrary it de-sensitises the film to ethanol. The response of the sensors with catalytic filter to other gases such as CO, and CH4 has been studied. The results show that the use of two sensors (one cooated with a catalytic filter and one uncoated) allows for the selective detection of benzene in the presence of any of these gases and ethanol. We present the results on the use of a catalytic filter (Pt-Al2O3) printed on a tungsten oxide active layer to detect benzene selectively. It is shown that the effect of the catalytic layer is twofold: It dramatically increases the sensitivity of the tungsten oxide film to benzene vapours at first and on contrary it de-sensitises the film to ethanol. The response of the sensors with catalytic filter to other gases such as CO, and CH4 has been studied. The results show that the use of two sensors (one cooated with a catalytic filter and one uncoated) allows for the selective detection of benzene in the presence of any of these gases and ethanol.
dcterms:title
Sensitivity improvement of WO3 thick film to benzene using Pt catalytic filter Sensitivity improvement of WO3 thick film to benzene using Pt catalytic filter
skos:prefLabel
Sensitivity improvement of WO3 thick film to benzene using Pt catalytic filter Sensitivity improvement of WO3 thick film to benzene using Pt catalytic filter
skos:notation
RIV/00216305:26220/03:PU38695!RIV/2004/MSM/262204/N
n3:strany
344-348
n3:aktivita
n7:Z
n3:aktivity
Z(MSM 262200022)
n3:dodaniDat
n8:2004
n3:domaciTvurceVysledku
n6:9466509 n6:4489705 n6:5238439 n6:7689888
n3:druhVysledku
n15:D
n3:duvernostUdaju
n21:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
626717
n3:idVysledku
RIV/00216305:26220/03:PU38695
n3:jazykVysledku
n14:eng
n3:klicovaSlova
gas sensors, catalytic filter, thick film, screen printing, benzene
n3:klicoveSlovo
n4:screen%20printing n4:gas%20sensors n4:thick%20film n4:benzene n4:catalytic%20filter
n3:kontrolniKodProRIV
[3EE9BE07A882]
n3:mistoKonaniAkce
Brno
n3:mistoVydani
Brno
n3:nazevZdroje
10th Electronic Devices and Systems Conference 2003
n3:obor
n5:JA
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:rokUplatneniVysledku
n8:2003
n3:tvurceVysledku
Malysz, Karel Hejátková, Edita Prášek, Jan Hubálek, Jaromír
n3:typAkce
n11:WRD
n3:zahajeniAkce
2003-09-09+02:00
n3:zamer
n19:MSM%20262200022
s:numberOfPages
5
n9:hasPublisher
Ing. Zdeněk Novotný CSc.
n18:isbn
80-214-2452-4
n20:organizacniJednotka
26220