{"title":"混合氧化物A12O3V2O5作为NO和NO2的半导体气体传感器","authors":"Tatsumi Ishihara, Kazuhiko Shiokawa, Koichi Eguchi, Hiromichi Arai","doi":"10.1016/0250-6874(89)87078-7","DOIUrl":null,"url":null,"abstract":"<div><p>Several semiconductive oxides are tested as sensors for the detection of NO, NO<sub>2</sub>, CO and CO<sub>2</sub>. The conductivity of Al<sub>2</sub>O<sub>3</sub>V<sub>2</sub>O<sub>5</sub> is sensitive to 1–1000 ppm of NO and NO<sub>2</sub>, but is insensitive to CO or CO<sub>2</sub>. The mixed oxide (Al<sub>2</sub>O<sub>3</sub>)<sub>0.5</sub>(V<sub>2</sub>O<sub>5</sub>)<sub>0.5</sub> is excellent not only in its selectivity for detection of NO and NO<sub>2</sub> but also in its sensitivity. The amount of NO adsorbed is greatly enhanced, but that of CO is unaffected by mixing V<sub>2</sub>O<sub>5</sub> with Al<sub>2</sub>O<sub>3</sub>. The high sensitivity of Al<sub>2</sub>O<sub>3</sub>V<sub>2</sub>O<sub>5</sub> to NO and NO<sub>2</sub> appears to result from the increased amount of adsorbed nitrogen oxide.</p></div>","PeriodicalId":101159,"journal":{"name":"Sensors and Actuators","volume":"19 3","pages":"Pages 259-265"},"PeriodicalIF":0.0000,"publicationDate":"1989-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0250-6874(89)87078-7","citationCount":"56","resultStr":"{\"title\":\"The mixed oxide A12O3V2O5 as a semiconductor gas sensor for NO and NO2\",\"authors\":\"Tatsumi Ishihara, Kazuhiko Shiokawa, Koichi Eguchi, Hiromichi Arai\",\"doi\":\"10.1016/0250-6874(89)87078-7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Several semiconductive oxides are tested as sensors for the detection of NO, NO<sub>2</sub>, CO and CO<sub>2</sub>. The conductivity of Al<sub>2</sub>O<sub>3</sub>V<sub>2</sub>O<sub>5</sub> is sensitive to 1–1000 ppm of NO and NO<sub>2</sub>, but is insensitive to CO or CO<sub>2</sub>. The mixed oxide (Al<sub>2</sub>O<sub>3</sub>)<sub>0.5</sub>(V<sub>2</sub>O<sub>5</sub>)<sub>0.5</sub> is excellent not only in its selectivity for detection of NO and NO<sub>2</sub> but also in its sensitivity. The amount of NO adsorbed is greatly enhanced, but that of CO is unaffected by mixing V<sub>2</sub>O<sub>5</sub> with Al<sub>2</sub>O<sub>3</sub>. The high sensitivity of Al<sub>2</sub>O<sub>3</sub>V<sub>2</sub>O<sub>5</sub> to NO and NO<sub>2</sub> appears to result from the increased amount of adsorbed nitrogen oxide.</p></div>\",\"PeriodicalId\":101159,\"journal\":{\"name\":\"Sensors and Actuators\",\"volume\":\"19 3\",\"pages\":\"Pages 259-265\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0250-6874(89)87078-7\",\"citationCount\":\"56\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Sensors and Actuators\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0250687489870787\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sensors and Actuators","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0250687489870787","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The mixed oxide A12O3V2O5 as a semiconductor gas sensor for NO and NO2
Several semiconductive oxides are tested as sensors for the detection of NO, NO2, CO and CO2. The conductivity of Al2O3V2O5 is sensitive to 1–1000 ppm of NO and NO2, but is insensitive to CO or CO2. The mixed oxide (Al2O3)0.5(V2O5)0.5 is excellent not only in its selectivity for detection of NO and NO2 but also in its sensitivity. The amount of NO adsorbed is greatly enhanced, but that of CO is unaffected by mixing V2O5 with Al2O3. The high sensitivity of Al2O3V2O5 to NO and NO2 appears to result from the increased amount of adsorbed nitrogen oxide.
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