Zirconia-based electrochemical gas sensors using nano-structured sensing materials aiming at detection of automotive exhausts
The mixed-potential-type yttria-stabilized zirconia (YSZ)-based planar sensors using nano-structured sensing-electrodes (SE) were fabricated and evaluated in the wide range of operating temperatures under the wet (5 vol.% water vapor) condition aiming at detection of exhaust gases and ammonia slip i...
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| Veröffentlicht in: | Electrochimica acta 2009-10, Vol.54 (25), p.6099-6106 |
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| container_title | Electrochimica acta |
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| creator | Plashnitsa, Vladimir V. Elumalai, Perumal Fujio, Yuki Miura, Norio |
| description | The mixed-potential-type yttria-stabilized zirconia (YSZ)-based planar sensors using nano-structured sensing-electrodes (SE) were fabricated and evaluated in the wide range of operating temperatures under the wet (5
vol.% water vapor) condition aiming at detection of exhaust gases and ammonia slip in automobiles. The sensors using nano-structured NiO-, laminated (NiO–Au)- or pure Au-SEs fabricated by r.f. sputtering gave the sensitive and selective responses to NO
2 at 600
°C. Furthermore, it was found that the fabrication method of Au-SE as well as the roughness of surface of YSZ solid electrolyte influenced to a large extent on the sensing characteristics of the fabricated sensors. The higher catalytic activity to electrochemical reaction of oxygen for the Au nano-particles fabricated by impregnation method resulted in the excellent sensitivity and selectivity to propene. The implementation of smooth YSZ substrates led to achieve the highly selective response to ammonia in the concentration range of 20–200
ppm. The detailed sensing characteristics and the proposed sensing mechanisms for the obtained sensors are discussed here. |
| doi_str_mv | 10.1016/j.electacta.2008.12.040 |
| format | Article |
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vol.% water vapor) condition aiming at detection of exhaust gases and ammonia slip in automobiles. The sensors using nano-structured NiO-, laminated (NiO–Au)- or pure Au-SEs fabricated by r.f. sputtering gave the sensitive and selective responses to NO
2 at 600
°C. Furthermore, it was found that the fabrication method of Au-SE as well as the roughness of surface of YSZ solid electrolyte influenced to a large extent on the sensing characteristics of the fabricated sensors. The higher catalytic activity to electrochemical reaction of oxygen for the Au nano-particles fabricated by impregnation method resulted in the excellent sensitivity and selectivity to propene. The implementation of smooth YSZ substrates led to achieve the highly selective response to ammonia in the concentration range of 20–200
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vol.% water vapor) condition aiming at detection of exhaust gases and ammonia slip in automobiles. The sensors using nano-structured NiO-, laminated (NiO–Au)- or pure Au-SEs fabricated by r.f. sputtering gave the sensitive and selective responses to NO
2 at 600
°C. Furthermore, it was found that the fabrication method of Au-SE as well as the roughness of surface of YSZ solid electrolyte influenced to a large extent on the sensing characteristics of the fabricated sensors. The higher catalytic activity to electrochemical reaction of oxygen for the Au nano-particles fabricated by impregnation method resulted in the excellent sensitivity and selectivity to propene. The implementation of smooth YSZ substrates led to achieve the highly selective response to ammonia in the concentration range of 20–200
ppm. The detailed sensing characteristics and the proposed sensing mechanisms for the obtained sensors are discussed here.</description><subject>Analysis methods</subject><subject>Analytical chemistry</subject><subject>Applied sciences</subject><subject>Atmospheric pollution</subject><subject>Automotive exhaust</subject><subject>Chemistry</subject><subject>Detection</subject><subject>Electrochemistry</subject><subject>Electrodes: preparations and properties</subject><subject>Exact sciences and technology</subject><subject>Exhaust gases</subject><subject>Gas sensors</subject><subject>General and physical chemistry</subject><subject>General, instrumentation</subject><subject>Gold</subject><subject>Mixed-potential</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Other electrodes</subject><subject>Pollution</subject><subject>Sensors</subject><subject>YSZ</subject><subject>Yttria stabilized zirconia</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkEFr3DAQhUVpodskvyG6lJ7sSpZWso8htGkh0Et76UXMyuNEiy2lGjm0h_z3yt2Qa2FgYOa9N8zH2KUUrRTSfDy2OKMvUKvthOhb2bVCi1dsJ3urGtXvh9dsJ4RUjTa9ecveER2FENZYsWNPP0P2KQZoDkA48n9ZOfl7XIKHmd8BccJIKRNfKcQ7HiGmhkpefVlzdWzbbb5AwRxgJg5h2QZQ-IilxoUUeZo4rCUtqYRH5Pj7HlYqdM7eTNWBF8_9jP34_On79Zfm9tvN1-ur28ZrrUqjxeSNUQdlhLVj36OepD30E4r6nBr3Rk1eDabr9R5wGgYzgh60OkiFYAFBnbEPp9yHnH6tSMUtgTzOM0RMKzm7V1bLYVBVaU9KnxNRxsk95LBA_uOkcBtvd3QvvN3G28nOVd7V-f75BlAlN2WIPtCLveuU6no1VN3VSYf14ceA2ZEPGD2OIddcN6bw31t_AQvWnf8</recordid><startdate>20091030</startdate><enddate>20091030</enddate><creator>Plashnitsa, Vladimir V.</creator><creator>Elumalai, Perumal</creator><creator>Fujio, Yuki</creator><creator>Miura, Norio</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20091030</creationdate><title>Zirconia-based electrochemical gas sensors using nano-structured sensing materials aiming at detection of automotive exhausts</title><author>Plashnitsa, Vladimir V. ; Elumalai, Perumal ; Fujio, Yuki ; Miura, Norio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c443t-40fc663b36077d88e4f17b8fe08593d563fc3962845aef996da4943b13ea7aea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Analysis methods</topic><topic>Analytical chemistry</topic><topic>Applied sciences</topic><topic>Atmospheric pollution</topic><topic>Automotive exhaust</topic><topic>Chemistry</topic><topic>Detection</topic><topic>Electrochemistry</topic><topic>Electrodes: preparations and properties</topic><topic>Exact sciences and technology</topic><topic>Exhaust gases</topic><topic>Gas sensors</topic><topic>General and physical chemistry</topic><topic>General, instrumentation</topic><topic>Gold</topic><topic>Mixed-potential</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Other electrodes</topic><topic>Pollution</topic><topic>Sensors</topic><topic>YSZ</topic><topic>Yttria stabilized zirconia</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Plashnitsa, Vladimir V.</creatorcontrib><creatorcontrib>Elumalai, Perumal</creatorcontrib><creatorcontrib>Fujio, Yuki</creatorcontrib><creatorcontrib>Miura, Norio</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Plashnitsa, Vladimir V.</au><au>Elumalai, Perumal</au><au>Fujio, Yuki</au><au>Miura, Norio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Zirconia-based electrochemical gas sensors using nano-structured sensing materials aiming at detection of automotive exhausts</atitle><jtitle>Electrochimica acta</jtitle><date>2009-10-30</date><risdate>2009</risdate><volume>54</volume><issue>25</issue><spage>6099</spage><epage>6106</epage><pages>6099-6106</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><coden>ELCAAV</coden><abstract>The mixed-potential-type yttria-stabilized zirconia (YSZ)-based planar sensors using nano-structured sensing-electrodes (SE) were fabricated and evaluated in the wide range of operating temperatures under the wet (5
vol.% water vapor) condition aiming at detection of exhaust gases and ammonia slip in automobiles. The sensors using nano-structured NiO-, laminated (NiO–Au)- or pure Au-SEs fabricated by r.f. sputtering gave the sensitive and selective responses to NO
2 at 600
°C. Furthermore, it was found that the fabrication method of Au-SE as well as the roughness of surface of YSZ solid electrolyte influenced to a large extent on the sensing characteristics of the fabricated sensors. The higher catalytic activity to electrochemical reaction of oxygen for the Au nano-particles fabricated by impregnation method resulted in the excellent sensitivity and selectivity to propene. The implementation of smooth YSZ substrates led to achieve the highly selective response to ammonia in the concentration range of 20–200
ppm. The detailed sensing characteristics and the proposed sensing mechanisms for the obtained sensors are discussed here.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2008.12.040</doi><tpages>8</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Analysis methods Analytical chemistry Applied sciences Atmospheric pollution Automotive exhaust Chemistry Detection Electrochemistry Electrodes: preparations and properties Exact sciences and technology Exhaust gases Gas sensors General and physical chemistry General, instrumentation Gold Mixed-potential Nanocomposites Nanomaterials Nanostructure Other electrodes Pollution Sensors YSZ Yttria stabilized zirconia |
| title | Zirconia-based electrochemical gas sensors using nano-structured sensing materials aiming at detection of automotive exhausts |
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