{"title":"Nanostructured Fe doped ZnO: TiO2 for gas sensors applications","authors":"S. Somacescu, A. Dinescu, P. Osiceanu","doi":"10.1109/SMICND.2012.6400768","DOIUrl":null,"url":null,"abstract":"Nanostructured Fe doped ZnO: TiO2 with crystalline framework and porous structure were successfully synthesized by hydrothermal route, using ionic and non-ionic surfactants as templates. The structure morphology, surface chemistry and sensing properties were investigated. The results highlighted that ZnO: TiO2 materials show a wurtzite type structure with TiO2 anatase phase in higher proportion, while a minor phase TiO2 rutile was observed for the materials containing Fe. Surface chemistry revealed the elements quantitatively detected on the surface and their chemical environment. Nanostructured Fe doped ZnO: TiO2 materials were sensitive to toxic gases as CO and NO2 at 300 oC and to a small gas concentration in the range of ~3ppm.","PeriodicalId":9628,"journal":{"name":"CAS 2012 (International Semiconductor Conference)","volume":"1 1","pages":"337-340"},"PeriodicalIF":0.0000,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"CAS 2012 (International Semiconductor Conference)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SMICND.2012.6400768","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Nanostructured Fe doped ZnO: TiO2 with crystalline framework and porous structure were successfully synthesized by hydrothermal route, using ionic and non-ionic surfactants as templates. The structure morphology, surface chemistry and sensing properties were investigated. The results highlighted that ZnO: TiO2 materials show a wurtzite type structure with TiO2 anatase phase in higher proportion, while a minor phase TiO2 rutile was observed for the materials containing Fe. Surface chemistry revealed the elements quantitatively detected on the surface and their chemical environment. Nanostructured Fe doped ZnO: TiO2 materials were sensitive to toxic gases as CO and NO2 at 300 oC and to a small gas concentration in the range of ~3ppm.
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