Comparison of the gas sensing properties of tin, indium and tungsten oxides nanopowders: carbon monoxide and oxygen detection
Identifieur interne : 00F752 ( Main/Repository ); précédent : 00F751; suivant : 00F753Comparison of the gas sensing properties of tin, indium and tungsten oxides nanopowders: carbon monoxide and oxygen detection
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Abstract
It is now well established that the use of nanosized powders in the fabrication of gas sensors by screen-printing technology significantly enhances the sensor sensitivity. However, further improvements of nanosized powder-based sensors require a careful study of the surface reactions at the origin of the gas detection mechanisms. This is a necessary step toward a rigorous industrial fabrication protocol. In this work, chemical reactions occurring at the surface of semiconductor (tin, indium, and tungsten oxides) nanopowders are analyzed by Fourier transform infrared (FTIR) spectrometry simultaneously with their effects on the electrical conductivity of the materials. These surface reactions are compared for the different materials and their relation with the metal oxide sensitivity toward CO and O2 at different temperatures is discussed.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Comparison of the gas sensing properties of tin, indium and tungsten oxides nanopowders: carbon monoxide and oxygen detection</title><author><name sortKey="Baraton, M I" uniqKey="Baraton M">M-I Baraton</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>SPCTS-UMR 6638 CNRS, Faculty of Sciences, Univerity of Limoges, 123 avenue Albert Thomas</s1><s2>87060, Limoges</s2><s3>FRA</s3><sZ>1 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Merhari, L" uniqKey="Merhari L">L. Merhari</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>CERAMEC R & D</s1><s2>Limoges, 87000</s2><s3>FRA</s3><sZ>2 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Limousin</region></placeName></affiliation></author><author><name sortKey="Ferkel, H" uniqKey="Ferkel H">H. Ferkel</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Institut für Werkstoffkunde and - technik, Technische Universität Clausthal</s1><s2>Clausthal-Zellerfeld, 38678</s2><s3>DEU</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>38678</wicri:noRegion><wicri:noRegion>Technische Universität Clausthal</wicri:noRegion><wicri:noRegion>Clausthal-Zellerfeld, 38678</wicri:noRegion></affiliation></author><author><name sortKey="Castagnet, J F" uniqKey="Castagnet J">J.-F. Castagnet</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Institut für Werkstoffkunde and - technik, Technische Universität Clausthal</s1><s2>Clausthal-Zellerfeld, 38678</s2><s3>DEU</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>38678</wicri:noRegion><wicri:noRegion>Technische Universität Clausthal</wicri:noRegion><wicri:noRegion>Clausthal-Zellerfeld, 38678</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">02-0343768</idno><date when="2002">2002</date><idno type="stanalyst">PASCAL 02-0343768 INIST</idno><idno type="RBID">Pascal:02-0343768</idno><idno type="wicri:Area/Main/Corpus">00F064</idno><idno type="wicri:Area/Main/Repository">00F752</idno></publicationStmt><seriesStmt><title level="j" type="main">Materials science & engineering C. Biomimetic and supramolecular systems</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Binary compounds</term><term>Chemical sensors</term><term>Experimental study</term><term>Gas detector</term><term>Indium oxides</term><term>Infrared spectroscopy</term><term>Inorganic compounds</term><term>Oxygen</term><term>Response functions</term><term>Sensor materials</term><term>Time resolved spectroscopy</term><term>Tin oxides</term><term>Tungsten oxides</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Matériau capteur</term><term>Etude expérimentale</term><term>Capteur chimique</term><term>Détecteur de gaz</term><term>Spectrométrie IR</term><term>Spectrométrie résolution temporelle</term><term>Fonction réponse</term><term>Composé minéral</term><term>Composé binaire</term><term>Tungstène oxyde</term><term>Etain oxyde</term><term>Indium oxyde</term><term>Oxygène</term><term>SnO2</term><term>O Sn</term><term>WO3</term><term>O W</term><term>In2O3</term><term>In O</term><term>0707D</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Composé minéral</term><term>Oxygène</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">It is now well established that the use of nanosized powders in the fabrication of gas sensors by screen-printing technology significantly enhances the sensor sensitivity. However, further improvements of nanosized powder-based sensors require a careful study of the surface reactions at the origin of the gas detection mechanisms. This is a necessary step toward a rigorous industrial fabrication protocol. In this work, chemical reactions occurring at the surface of semiconductor (tin, indium, and tungsten oxides) nanopowders are analyzed by Fourier transform infrared (FTIR) spectrometry simultaneously with their effects on the electrical conductivity of the materials. These surface reactions are compared for the different materials and their relation with the metal oxide sensitivity toward CO and O<sub>2</sub> at different temperatures is discussed.</div></front></TEI><inist><standard h6="B"><pA><fA05><s2>19</s2></fA05><fA06><s2>1-2</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Comparison of the gas sensing properties of tin, indium and tungsten oxides nanopowders: carbon monoxide and oxygen detection</s1></fA08><fA09 i1="01" i2="1" l="ENG"><s1>Current trends in nanotechnologies: from materials to systems, proceedings of Symposium S, EMRS spring meeting 2001, Strasbourg, France, June 5-8, 2001</s1></fA09><fA11 i1="01" i2="1"><s1>BARATON (M-I)</s1></fA11><fA11 i1="02" i2="1"><s1>MERHARI (L.)</s1></fA11><fA11 i1="03" i2="1"><s1>FERKEL (H.)</s1></fA11><fA11 i1="04" i2="1"><s1>CASTAGNET (J.-F.)</s1></fA11><fA12 i1="01" i2="1"><s1>GRIMMEISS (H. G.)</s1><s9>ed.</s9></fA12><fA12 i1="02" i2="1"><s1>MARLETTA (G.)</s1><s9>ed.</s9></fA12><fA12 i1="03" i2="1"><s1>FUCHS (H.)</s1><s9>ed.</s9></fA12><fA12 i1="04" i2="1"><s1>TAGA (Y.)</s1><s9>ed.</s9></fA12><fA14 i1="01"><s1>SPCTS-UMR 6638 CNRS, Faculty of Sciences, Univerity of Limoges, 123 avenue Albert Thomas</s1><s2>87060, Limoges</s2><s3>FRA</s3><sZ>1 aut.</sZ></fA14><fA14 i1="02"><s1>CERAMEC R & D</s1><s2>Limoges, 87000</s2><s3>FRA</s3><sZ>2 aut.</sZ></fA14><fA14 i1="03"><s1>Institut für Werkstoffkunde and - technik, Technische Universität Clausthal</s1><s2>Clausthal-Zellerfeld, 38678</s2><s3>DEU</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></fA14><fA15 i1="01"><s1>University of Lund, Solid State Physics, Box 118</s1><s2>221 00 Lund</s2><s3>SWE</s3><sZ>1 aut.</sZ></fA15><fA15 i1="02"><s1>Università degli Studi di Catania, Dept. of Chemical Sciences Viale A. Doria 6</s1><s2>95125 Catania</s2><s3>ITA</s3><sZ>2 aut.</sZ></fA15><fA15 i1="03"><s1>Physikalisches Institut, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Str. 10</s1><s2>48149 Münster</s2><s3>DEU</s3><sZ>3 aut.</sZ></fA15><fA15 i1="04"><s1>Toyota Central Research & Development Labs, Inc. Nagakute</s1><s2>Aichi 48-1192</s2><s3>JPN</s3><sZ>4 aut.</sZ></fA15><fA18 i1="01" i2="1"><s1>European Material Research Society</s1><s2>Strasbourg</s2><s3>FRA</s3><s9>patr.</s9></fA18><fA20><s1>315-321</s1></fA20><fA21><s1>2002</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>12899C</s2><s5>354000094752950640</s5></fA43><fA44><s0>0000</s0><s1>© 2002 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>8 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>02-0343768</s0></fA47><fA60><s1>P</s1><s2>C</s2></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="2"><s0>Materials science & engineering C. Biomimetic and supramolecular systems</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>It is now well established that the use of nanosized powders in the fabrication of gas sensors by screen-printing technology significantly enhances the sensor sensitivity. However, further improvements of nanosized powder-based sensors require a careful study of the surface reactions at the origin of the gas detection mechanisms. This is a necessary step toward a rigorous industrial fabrication protocol. In this work, chemical reactions occurring at the surface of semiconductor (tin, indium, and tungsten oxides) nanopowders are analyzed by Fourier transform infrared (FTIR) spectrometry simultaneously with their effects on the electrical conductivity of the materials. 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Symposium S of the EMRS Spring Meeting</s1><s3>Strasbourg FRA</s3><s4>2001-06-05</s4></fA30></pR></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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