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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F04%3APU38723%21RIV%2F2005%2FMSM%2F262205%2FN
rdf:type
skos:Concept n14:Vysledek
dcterms:description
We have studied the effect of adhesion promoters (bismuth and copper oxides) on the gas sensing properties of screen-printed tin and tungsten oxide sensors. The gas-sensitive pastes were prepared by mixing either tin or tungsten oxide powders withan organic vehicle based on therpineol. Two different additives to enhance the adhesion of the active films to the substrate (Bi2O3 or Bi2O3 + Cu2O) were included in the paste composition. The films that resulted after printing and firing have highh porosity and excellent adherence. Morphology studies have shown that the films have well-defined microstructure and gas sensitivity studies have shown that additives, not only help in promoting film adhesion, but also modify the response of the sensors. Their sensitivity at different operating temperatures was evaluated for ammonia, nitrogen dioxide, ethanol, benzene, carbon monoxide, methane and water vapour. While WO3 sensors were, in general, highly responsive to ammonia and nitrogen We have studied the effect of adhesion promoters (bismuth and copper oxides) on the gas sensing properties of screen-printed tin and tungsten oxide sensors. The gas-sensitive pastes were prepared by mixing either tin or tungsten oxide powders withan organic vehicle based on therpineol. Two different additives to enhance the adhesion of the active films to the substrate (Bi2O3 or Bi2O3 + Cu2O) were included in the paste composition. The films that resulted after printing and firing have highh porosity and excellent adherence. Morphology studies have shown that the films have well-defined microstructure and gas sensitivity studies have shown that additives, not only help in promoting film adhesion, but also modify the response of the sensors. Their sensitivity at different operating temperatures was evaluated for ammonia, nitrogen dioxide, ethanol, benzene, carbon monoxide, methane and water vapour. While WO3 sensors were, in general, highly responsive to ammonia and nitrogen V práci byly studováni přísady past zajišťující adhezi tlustých vrstev. Tyto přísady past byly použity oxidy vismutu a mědi přimýchaných do na plyny citlivých oxidů wolframu a cínu. Natisknuté vrstvy měli velmi dobře definovanou strukturu dostatečně porézní. Byl zjištěn vliv přímesí na citlivost plynů jako amoniak, NO2, CO, benzen, etanol, metan a vlhkost.
dcterms:title
A route toward more selective and less humidity sensitive screen-printed SnO2 and WO3 gas sensitive layers A route toward more selective and less humidity sensitive screen-printed SnO2 and WO3 gas sensitive layers Cesta k vysoce selektivním a na vlhkost méně citlivým tlustovrstvým SnO2 a WO3 vrstám citlivých na plyny
skos:prefLabel
Cesta k vysoce selektivním a na vlhkost méně citlivým tlustovrstvým SnO2 a WO3 vrstám citlivých na plyny A route toward more selective and less humidity sensitive screen-printed SnO2 and WO3 gas sensitive layers A route toward more selective and less humidity sensitive screen-printed SnO2 and WO3 gas sensitive layers
skos:notation
RIV/00216305:26220/04:PU38723!RIV/2005/MSM/262205/N
n3:strany
221-227
n3:aktivita
n16:Z
n3:aktivity
Z(MSM 262200022)
n3:cisloPeriodika
1-2
n3:dodaniDat
n10:2005
n3:domaciTvurceVysledku
n13:7689888 n13:4489705
n3:druhVysledku
n18:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
553161
n3:idVysledku
RIV/00216305:26220/04:PU38723
n3:jazykVysledku
n11:eng
n3:klicovaSlova
gas sensor, screen-printing, tin dioxide, tungsten trioxide, bismuth and copper oxides
n3:klicoveSlovo
n4:tin%20dioxide n4:gas%20sensor n4:tungsten%20trioxide n4:bismuth%20and%20copper%20oxides n4:screen-printing
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[10182D7EEBD9]
n3:nazevZdroje
Sensors and Actuators B: Chemical
n3:obor
n8:JB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
7
n3:rokUplatneniVysledku
n10:2004
n3:svazekPeriodika
100
n3:tvurceVysledku
Hubálek, Jaromír Malysz, Karel
n3:zamer
n12:MSM%20262200022
s:issn
0925-4005
s:numberOfPages
7
n15:organizacniJednotka
26220