{"title":"用于检测NO2的改性CNTs","authors":"J. Štulík, T. Blecha","doi":"10.1109/ESTC.2018.8546501","DOIUrl":null,"url":null,"abstract":"This paper deals with nitrogen dioxide gas sensor based on multi-wall carbon nanotubes functionalized by carboxyl groups. The carbon nanotubes were non-covalent modified by lead phthalocyanine. The modification showed improvement of important sensor properties. Sensitivity change is 50 % from original value under exposure to 10 ppm of nitrogen dioxide. The dynamic properties of sensor are much better in comparison with non-modified carbon nanotubes. Gas desorption was accelerated by UV illumination and desorption time is shortened to several seconds.","PeriodicalId":198238,"journal":{"name":"2018 7th Electronic System-Integration Technology Conference (ESTC)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Modified CNTs for NO2 detection\",\"authors\":\"J. Štulík, T. Blecha\",\"doi\":\"10.1109/ESTC.2018.8546501\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper deals with nitrogen dioxide gas sensor based on multi-wall carbon nanotubes functionalized by carboxyl groups. The carbon nanotubes were non-covalent modified by lead phthalocyanine. The modification showed improvement of important sensor properties. Sensitivity change is 50 % from original value under exposure to 10 ppm of nitrogen dioxide. The dynamic properties of sensor are much better in comparison with non-modified carbon nanotubes. Gas desorption was accelerated by UV illumination and desorption time is shortened to several seconds.\",\"PeriodicalId\":198238,\"journal\":{\"name\":\"2018 7th Electronic System-Integration Technology Conference (ESTC)\",\"volume\":\"40 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 7th Electronic System-Integration Technology Conference (ESTC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESTC.2018.8546501\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 7th Electronic System-Integration Technology Conference (ESTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESTC.2018.8546501","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This paper deals with nitrogen dioxide gas sensor based on multi-wall carbon nanotubes functionalized by carboxyl groups. The carbon nanotubes were non-covalent modified by lead phthalocyanine. The modification showed improvement of important sensor properties. Sensitivity change is 50 % from original value under exposure to 10 ppm of nitrogen dioxide. The dynamic properties of sensor are much better in comparison with non-modified carbon nanotubes. Gas desorption was accelerated by UV illumination and desorption time is shortened to several seconds.
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