High-Temperature Potentiometric $ NO_{2} $ and CO Sensors Based on Stabilized Zirconia with Oxide Sensing Electrodes
Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides a...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Di Bartolomeo, E. [verfasserIn] Grilli, M. L. [verfasserIn] Kaabbuathong, N. [verfasserIn] Traversa, E. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2002 |
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| Übergeordnetes Werk: |
Enthalten in: MRS online proceedings library - Warrendale, Pa. : MRS, 1998, 756(2002), 1 vom: Dez. |
|---|---|
| Übergeordnetes Werk: |
volume:756 ; year:2002 ; number:1 ; month:12 |
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| DOI / URN: |
10.1557/PROC-756-EE11.2 |
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| 520 | |a Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. | ||
| 700 | 1 | |a Grilli, M. L. |e verfasserin |4 aut | |
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10.1557/PROC-756-EE11.2 doi (DE-627)SPR042946336 (DE-599)SPRPROC-756-EE11.2-e (SPR)PROC-756-EE11.2-e DE-627 ger DE-627 rakwb eng 670 ASE Di Bartolomeo, E. verfasserin aut High-Temperature Potentiometric $ NO_{2} $ and CO Sensors Based on Stabilized Zirconia with Oxide Sensing Electrodes 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. Grilli, M. L. verfasserin aut Kaabbuathong, N. verfasserin aut Traversa, E. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 756(2002), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:756 year:2002 number:1 month:12 https://dx.doi.org/10.1557/PROC-756-EE11.2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 756 2002 1 12 |
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10.1557/PROC-756-EE11.2 doi (DE-627)SPR042946336 (DE-599)SPRPROC-756-EE11.2-e (SPR)PROC-756-EE11.2-e DE-627 ger DE-627 rakwb eng 670 ASE Di Bartolomeo, E. verfasserin aut High-Temperature Potentiometric $ NO_{2} $ and CO Sensors Based on Stabilized Zirconia with Oxide Sensing Electrodes 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. Grilli, M. L. verfasserin aut Kaabbuathong, N. verfasserin aut Traversa, E. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 756(2002), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:756 year:2002 number:1 month:12 https://dx.doi.org/10.1557/PROC-756-EE11.2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 756 2002 1 12 |
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10.1557/PROC-756-EE11.2 doi (DE-627)SPR042946336 (DE-599)SPRPROC-756-EE11.2-e (SPR)PROC-756-EE11.2-e DE-627 ger DE-627 rakwb eng 670 ASE Di Bartolomeo, E. verfasserin aut High-Temperature Potentiometric $ NO_{2} $ and CO Sensors Based on Stabilized Zirconia with Oxide Sensing Electrodes 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. Grilli, M. L. verfasserin aut Kaabbuathong, N. verfasserin aut Traversa, E. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 756(2002), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:756 year:2002 number:1 month:12 https://dx.doi.org/10.1557/PROC-756-EE11.2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 756 2002 1 12 |
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10.1557/PROC-756-EE11.2 doi (DE-627)SPR042946336 (DE-599)SPRPROC-756-EE11.2-e (SPR)PROC-756-EE11.2-e DE-627 ger DE-627 rakwb eng 670 ASE Di Bartolomeo, E. verfasserin aut High-Temperature Potentiometric $ NO_{2} $ and CO Sensors Based on Stabilized Zirconia with Oxide Sensing Electrodes 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. Grilli, M. L. verfasserin aut Kaabbuathong, N. verfasserin aut Traversa, E. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 756(2002), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:756 year:2002 number:1 month:12 https://dx.doi.org/10.1557/PROC-756-EE11.2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 756 2002 1 12 |
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10.1557/PROC-756-EE11.2 doi (DE-627)SPR042946336 (DE-599)SPRPROC-756-EE11.2-e (SPR)PROC-756-EE11.2-e DE-627 ger DE-627 rakwb eng 670 ASE Di Bartolomeo, E. verfasserin aut High-Temperature Potentiometric $ NO_{2} $ and CO Sensors Based on Stabilized Zirconia with Oxide Sensing Electrodes 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. Grilli, M. L. verfasserin aut Kaabbuathong, N. verfasserin aut Traversa, E. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 756(2002), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:756 year:2002 number:1 month:12 https://dx.doi.org/10.1557/PROC-756-EE11.2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 756 2002 1 12 |
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High-Temperature Potentiometric $ NO_{2} $ and CO Sensors Based on Stabilized Zirconia with Oxide Sensing Electrodes |
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Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. |
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Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. |
| abstract_unstemmed |
Abstract This paper reports the efforts made in our laboratory to develop electrochemical sensors that might detect $ NO_{2} $ and CO at high temperatures for On Board Diagnostic (OBD) application. The non-Nernstian behaviour of zirconia-based electrochemical $ NO_{2} $ sensors with various oxides as sensing electrodes was studied in the temperature range 450–700°C. Both pellets and tape-casted layers (150 μm of thickness) of yttria-stabilized zirconia (YSZ) were used for fabrication of the sensors. Pt electrodes were painted on both sides of the pellets or as two parallel fingers on one face of the layers. One of the Pt electrodes was covered with a thick-film oxide electrode. Various oxides were tested as sensing electrodes, either p- or n-type semiconductors, including $ WO_{3} $ and $ LaFeO_{3} $. The role of ionic conductivity of the oxide electrodes was investigated using Sr-doped perovskite-type oxides, such as $ La_{x} %$ Sr_{1-x} %$ FeO_{3} $, a mixed ionic-electronic conductor. The sensors were tested as potentiometric and amperometric devices. The performance of these devices was promising: fast and stable responses to different $ NO_{2} $ concentrations (20–1000 ppm in synthetic air) were observed at high temperatures. The role of the metallic electrodes is also studied. The sensing mechanism of the sensors is discussed. |
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High-Temperature Potentiometric $ NO_{2} $ and CO Sensors Based on Stabilized Zirconia with Oxide Sensing Electrodes |
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Grilli, M. L. Kaabbuathong, N. Traversa, E. |
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