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In situ diffuse reflectance infrared Fourier transform spectroscopy study of formaldehyde adsorption and reactions on nano gamma-Fe2O3 films
Huang, Kaijin1,2,3; Kong, Lingcong1; Yuan, Fangli2; Xie, Changsheng1
2013-04-01
Source PublicationAPPLIED SURFACE SCIENCE
Volume270Issue:0Pages:405-410
AbstractThe nano gamma-Fe2O3 films gas sensor was fabricated by the screen printing technology. The phase structures and morphologies of nano gamma-Fe2O3 films were characterized by X-ray diffraction (XRD) and field-emission scanning electron microscopy (FESEM), respectively. The gas sensitivity of the films to 100 ppm formaldehyde was investigated. The surface adsorption and reaction process between nano gamma-Fe2O3 films and formaldehyde was studied by in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) method at different temperatures. DRIFTS results showed that dioxymethylene, formate ions, polyoxymethylene and molecularly formaldehyde surface species were detected when the nano gamma-Fe2O3 films exposed to 100 ppm formaldehyde at different temperatures. A possible mechanism of the reaction process was discussed. (c) 2013 Elsevier B.V. All rights reserved.
KeywordGas Sensors Nano Gamma-fe2o3 Films Formaldehyde Drifts Gas Sensing Mechanism
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordGAS-SENSING PROPERTIES ; VIBRATIONAL-SPECTRA ; CATALYTIC-OXIDATION ; CU-AL2O3 CATALYST ; MILD CONDITIONS ; DRIFTS ; SENSORS ; SURFACE ; DESORPTION ; METHANOL
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000316790200061
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13478
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
Huang, Kaijin,Kong, Lingcong,Yuan, Fangli,et al. In situ diffuse reflectance infrared Fourier transform spectroscopy study of formaldehyde adsorption and reactions on nano gamma-Fe2O3 films[J]. APPLIED SURFACE SCIENCE,2013,270(0):405-410.
APA Huang, Kaijin,Kong, Lingcong,Yuan, Fangli,&Xie, Changsheng.(2013).In situ diffuse reflectance infrared Fourier transform spectroscopy study of formaldehyde adsorption and reactions on nano gamma-Fe2O3 films.APPLIED SURFACE SCIENCE,270(0),405-410.
MLA Huang, Kaijin,et al."In situ diffuse reflectance infrared Fourier transform spectroscopy study of formaldehyde adsorption and reactions on nano gamma-Fe2O3 films".APPLIED SURFACE SCIENCE 270.0(2013):405-410.
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