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CdO activated Sn-doped ZnO for highly sensitive, selective and stable formaldehyde sensor
Han, Ning1,2; Wu, Xiaofeng1; Zhang, Dangwen1,2; Shen, Genli1,2; Liu, Haidi1; Chen, Yunfa1; Chen, YF
2011-03-01
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
ISSN0925-4005
Volume152Issue:2Pages:324-329
AbstractSn-, Ni-, Fe- and Al-doped ZnO and pure ZnO are prepared by coprecipitation method, and characterized by scanning electron microscope (SEM), energy diffraction spectra (EDS) and X-ray diffraction (XRD). Their formaldehyde gas sensing properties are evaluated and the results show that 2.2 mol% Sn dopant can increase the response of ZnO by more than 2 folds, while other dopants increase little response or even decrease response. Further, CdO is used to activate ZnO based formaldehyde sensing material. It is demonstrated that 10 mol% CdO activated 2.2 mol% Sn-doped ZnO has the highest formaldehyde gas response, with a linear sensitivity of similar to 10/ppm at lowered work temperature of 200 degrees C than 400 degrees C of pure ZnO, and high selectivity over toluene, CO and NH(3), as well as good stability tested in 1 month. (C) 2011 Published by Elsevier B.V.
KeywordFormaldehyde Sensor Sn-doped Zno Cdo Sensitive Selective Stability
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.snb.2010.12.029
Indexed BySCI
Language英语
WOS KeywordGAS-SENSING PROPERTY ; ZINC OXIDE ; TEMPERATURE ; MECHANISM ; OXIDATION ; CERAMICS ; ETHANOL ; FILMS
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000288877700026
Citation statistics
Cited Times:67[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5066
Collection多相复杂系统国家重点实验室
Corresponding AuthorChen, YF
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Han, Ning,Wu, Xiaofeng,Zhang, Dangwen,et al. CdO activated Sn-doped ZnO for highly sensitive, selective and stable formaldehyde sensor[J]. SENSORS AND ACTUATORS B-CHEMICAL,2011,152(2):324-329.
APA Han, Ning.,Wu, Xiaofeng.,Zhang, Dangwen.,Shen, Genli.,Liu, Haidi.,...&Chen, YF.(2011).CdO activated Sn-doped ZnO for highly sensitive, selective and stable formaldehyde sensor.SENSORS AND ACTUATORS B-CHEMICAL,152(2),324-329.
MLA Han, Ning,et al."CdO activated Sn-doped ZnO for highly sensitive, selective and stable formaldehyde sensor".SENSORS AND ACTUATORS B-CHEMICAL 152.2(2011):324-329.
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