Cross-sensitivity and selectivity studies on ZnO surface acoustic wave ammonia sensor
ZnO coated one-port surface acoustic wave (SAW) resonators are used as ammonia sensor in the present study. The cross-sensitivity of the sensor with commonly available volatile organic compounds (VOCs)/gases has been analyzed. An interesting feature through which the presence of ammonia can be diffe...
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| Veröffentlicht in: | Sensors and actuators. B, Chemical Chemical, 2010-06, Vol.147 (2), p.517-524 |
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| container_title | Sensors and actuators. B, Chemical |
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| creator | Raj, V. Bhasker Nimal, A.T. Parmar, Yashoda Sharma, M.U. Sreenivas, K. Gupta, Vinay |
| description | ZnO coated one-port surface acoustic wave (SAW) resonators are used as ammonia sensor in the present study. The cross-sensitivity of the sensor with commonly available volatile organic compounds (VOCs)/gases has been analyzed. An interesting feature through which the presence of ammonia can be differentiated from rest of the vapors/gases has been observed. The differential frequency shift (Δ
f) of the sensor is positive for liquor ammonia and negative for the rest. Further Δ
f for ammonia in the presence of water vapors is found to be positive. The sensor has good sensitivity, selectivity, reversibility and repeatability. The results are analyzed by considering possible sensing mechanisms such as electrical loading, elastic loading and mass loading. The results suggest the possibility of utilizing the ZnO coated sensor for the efficient selective detection of ammonia. |
| doi_str_mv | 10.1016/j.snb.2010.03.079 |
| format | Article |
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f) of the sensor is positive for liquor ammonia and negative for the rest. Further Δ
f for ammonia in the presence of water vapors is found to be positive. The sensor has good sensitivity, selectivity, reversibility and repeatability. The results are analyzed by considering possible sensing mechanisms such as electrical loading, elastic loading and mass loading. The results suggest the possibility of utilizing the ZnO coated sensor for the efficient selective detection of ammonia.</description><identifier>ISSN: 0925-4005</identifier><identifier>EISSN: 1873-3077</identifier><identifier>DOI: 10.1016/j.snb.2010.03.079</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Actuators ; Ammonia ; Ammonia sensing ; Cross-sensitivity ; Elastic loading ; Electrical loading ; Frequency shift ; Mass loading ; Reproducibility ; Rest ; SAW sensor ; Selectivity ; Sensors ; Surface acoustic waves ; Zinc oxide</subject><ispartof>Sensors and actuators. B, Chemical, 2010-06, Vol.147 (2), p.517-524</ispartof><rights>2010 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-3ef06e406ad8ceae0563c65d7f19d7fcacfff6f4f38e994ad83a7d2451e4b66d3</citedby><cites>FETCH-LOGICAL-c436t-3ef06e406ad8ceae0563c65d7f19d7fcacfff6f4f38e994ad83a7d2451e4b66d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.snb.2010.03.079$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Raj, V. Bhasker</creatorcontrib><creatorcontrib>Nimal, A.T.</creatorcontrib><creatorcontrib>Parmar, Yashoda</creatorcontrib><creatorcontrib>Sharma, M.U.</creatorcontrib><creatorcontrib>Sreenivas, K.</creatorcontrib><creatorcontrib>Gupta, Vinay</creatorcontrib><title>Cross-sensitivity and selectivity studies on ZnO surface acoustic wave ammonia sensor</title><title>Sensors and actuators. B, Chemical</title><description>ZnO coated one-port surface acoustic wave (SAW) resonators are used as ammonia sensor in the present study. The cross-sensitivity of the sensor with commonly available volatile organic compounds (VOCs)/gases has been analyzed. An interesting feature through which the presence of ammonia can be differentiated from rest of the vapors/gases has been observed. The differential frequency shift (Δ
f) of the sensor is positive for liquor ammonia and negative for the rest. Further Δ
f for ammonia in the presence of water vapors is found to be positive. The sensor has good sensitivity, selectivity, reversibility and repeatability. The results are analyzed by considering possible sensing mechanisms such as electrical loading, elastic loading and mass loading. The results suggest the possibility of utilizing the ZnO coated sensor for the efficient selective detection of ammonia.</description><subject>Actuators</subject><subject>Ammonia</subject><subject>Ammonia sensing</subject><subject>Cross-sensitivity</subject><subject>Elastic loading</subject><subject>Electrical loading</subject><subject>Frequency shift</subject><subject>Mass loading</subject><subject>Reproducibility</subject><subject>Rest</subject><subject>SAW sensor</subject><subject>Selectivity</subject><subject>Sensors</subject><subject>Surface acoustic waves</subject><subject>Zinc oxide</subject><issn>0925-4005</issn><issn>1873-3077</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kDtrwzAUhUVpoWnaH9BNWye7V5Ys23QqoS8IZGmWLkKRrkDBj1SyU_LvK5POXe7lwDn38RFyzyBnwOTjPo_9Li8gaeA5VM0FWbC64hmHqrokC2iKMhMA5TW5iXEPAIJLWJDtKgwxZhH76Ed_9OOJ6t7SiC2aPx3HyXqMdOjpV7-hcQpOG6TaDFMcvaE_-phU1w2913QeNIRbcuV0G_Hury_J9vXlc_WerTdvH6vndWbS9jHj6ECiAKltbVAjlJIbWdrKsSYVo41zTjrheI1NI5KL68oWomQodlJaviQP57mHMHxPGEfV-WiwbXWP6TpVSShAsLpITnZ2mvnfgE4dgu90OCkGaiao9ioRVDNBBVwlginzdM5geuHoMahoPPYGrQ-JjrKD_yf9C-iRe4o</recordid><startdate>20100603</startdate><enddate>20100603</enddate><creator>Raj, V. Bhasker</creator><creator>Nimal, A.T.</creator><creator>Parmar, Yashoda</creator><creator>Sharma, M.U.</creator><creator>Sreenivas, K.</creator><creator>Gupta, Vinay</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>20100603</creationdate><title>Cross-sensitivity and selectivity studies on ZnO surface acoustic wave ammonia sensor</title><author>Raj, V. Bhasker ; Nimal, A.T. ; Parmar, Yashoda ; Sharma, M.U. ; Sreenivas, K. ; Gupta, Vinay</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-3ef06e406ad8ceae0563c65d7f19d7fcacfff6f4f38e994ad83a7d2451e4b66d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Actuators</topic><topic>Ammonia</topic><topic>Ammonia sensing</topic><topic>Cross-sensitivity</topic><topic>Elastic loading</topic><topic>Electrical loading</topic><topic>Frequency shift</topic><topic>Mass loading</topic><topic>Reproducibility</topic><topic>Rest</topic><topic>SAW sensor</topic><topic>Selectivity</topic><topic>Sensors</topic><topic>Surface acoustic waves</topic><topic>Zinc oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Raj, V. Bhasker</creatorcontrib><creatorcontrib>Nimal, A.T.</creatorcontrib><creatorcontrib>Parmar, Yashoda</creatorcontrib><creatorcontrib>Sharma, M.U.</creatorcontrib><creatorcontrib>Sreenivas, K.</creatorcontrib><creatorcontrib>Gupta, Vinay</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Sensors and actuators. B, Chemical</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Raj, V. Bhasker</au><au>Nimal, A.T.</au><au>Parmar, Yashoda</au><au>Sharma, M.U.</au><au>Sreenivas, K.</au><au>Gupta, Vinay</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cross-sensitivity and selectivity studies on ZnO surface acoustic wave ammonia sensor</atitle><jtitle>Sensors and actuators. B, Chemical</jtitle><date>2010-06-03</date><risdate>2010</risdate><volume>147</volume><issue>2</issue><spage>517</spage><epage>524</epage><pages>517-524</pages><issn>0925-4005</issn><eissn>1873-3077</eissn><abstract>ZnO coated one-port surface acoustic wave (SAW) resonators are used as ammonia sensor in the present study. The cross-sensitivity of the sensor with commonly available volatile organic compounds (VOCs)/gases has been analyzed. An interesting feature through which the presence of ammonia can be differentiated from rest of the vapors/gases has been observed. The differential frequency shift (Δ
f) of the sensor is positive for liquor ammonia and negative for the rest. Further Δ
f for ammonia in the presence of water vapors is found to be positive. The sensor has good sensitivity, selectivity, reversibility and repeatability. The results are analyzed by considering possible sensing mechanisms such as electrical loading, elastic loading and mass loading. The results suggest the possibility of utilizing the ZnO coated sensor for the efficient selective detection of ammonia.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.snb.2010.03.079</doi><tpages>8</tpages></addata></record> |
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| ispartof | Sensors and actuators. B, Chemical, 2010-06, Vol.147 (2), p.517-524 |
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| source | ScienceDirect Freedom Collection (Elsevier) |
| subjects | Actuators Ammonia Ammonia sensing Cross-sensitivity Elastic loading Electrical loading Frequency shift Mass loading Reproducibility Rest SAW sensor Selectivity Sensors Surface acoustic waves Zinc oxide |
| title | Cross-sensitivity and selectivity studies on ZnO surface acoustic wave ammonia sensor |
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