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Gas Sensing Properties and In Situ Diffuse Reflectance Infrared Fourier Transform Spectroscopy Study of Acetone Adsorption and Reactions on SnO2 Films
Alternative TitleSens. Mater.
Zhang, Zhenxin1; Huang, Kaijin1,2,3; Yuan, Fangli2; Xie, Changsheng1
2014
Source PublicationSENSORS AND MATERIALS
ISSN0914-4935
Volume26Issue:9Pages:649-663
AbstractSnO2 flat-type coplanar gas sensor arrays were fabricated by a screen-printing technique based on SnO2 nanopowders prepared by a sol-gel method. The SnO2 flat-type coplanar gas sensor arrays had good acetone gas-sensing characteristics such as a fast response, short recovery time, and an almost linear response to acetone concentration of 1-100 ppm. The response could reach 2.11 for acetone concentration as low as 1 ppm, and the response and recovery times for 1 ppm acetone were 8.9 and 10 s, respectively. The surface reactions were investigated by in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) at different temperatures, and a possible sensing mechanism was proposed. Formate, acetate, carbonate ions, CH3O(ads), CO2, H2O, and adsorbed acetone were detected when the SnO, flims were exposed to 100 ppm acetone at different temperatures.; SnO2 flat-type coplanar gas sensor arrays were fabricated by a screen-printing technique based on SnO2 nanopowders prepared by a sol-gel method. The SnO2 flat-type coplanar gas sensor arrays had good acetone gas-sensing characteristics such as a fast response, short recovery time, and an almost linear response to acetone concentration of 1-100 ppm. The response could reach 2.11 for acetone concentration as low as 1 ppm, and the response and recovery times for 1 ppm acetone were 8.9 and 10 s, respectively. The surface reactions were investigated by in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) at different temperatures, and a possible sensing mechanism was proposed. Formate, acetate, carbonate ions, CH3O(ads), CO2, H2O, and adsorbed acetone were detected when the SnO, flims were exposed to 100 ppm acetone at different temperatures.
KeywordFlat-type Coplanar Gas Sensor Arrays Acetone Sno2 Films In Situ Drifts
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
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Indexed BySCI
Language英语
WOS KeywordPHOTOCATALYTIC OXIDATION ; FACILE SYNTHESIS ; SENSOR ARRAYS ; HUMAN BREATH ; TIN OXIDE ; SENSITIVITY ; MECHANISM ; SURFACE ; TIO2 ; FTIR
WOS Research AreaInstruments & Instrumentation ; Materials Science
WOS SubjectInstruments & Instrumentation ; Materials Science, Multidisciplinary
WOS IDWOS:000346226600001
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11898
Collection研究所(批量导入)
Affiliation1.Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhenxin,Huang, Kaijin,Yuan, Fangli,et al. Gas Sensing Properties and In Situ Diffuse Reflectance Infrared Fourier Transform Spectroscopy Study of Acetone Adsorption and Reactions on SnO2 Films[J]. SENSORS AND MATERIALS,2014,26(9):649-663.
APA Zhang, Zhenxin,Huang, Kaijin,Yuan, Fangli,&Xie, Changsheng.(2014).Gas Sensing Properties and In Situ Diffuse Reflectance Infrared Fourier Transform Spectroscopy Study of Acetone Adsorption and Reactions on SnO2 Films.SENSORS AND MATERIALS,26(9),649-663.
MLA Zhang, Zhenxin,et al."Gas Sensing Properties and In Situ Diffuse Reflectance Infrared Fourier Transform Spectroscopy Study of Acetone Adsorption and Reactions on SnO2 Films".SENSORS AND MATERIALS 26.9(2014):649-663.
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