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Sn doped ZnO layered porous nanocrystals with hierarchical structures and modified surfaces for gas sensors
Alternative TitleSens. Actuator B-Chem.
Yao, Mingshui1,2; Ding, Fei1; Cao, Yuebin4; Hu, Peng1; Fan, Junmei1; Lu, Chen1,2; Yuan, Fangli1; Shi, Changyong3; Chen, Yunfa1
2014-10-01
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
ISSN0925-4005
Volume201Issue:1Pages:255-265
AbstractIn this paper, a simple solvothermal method is developed for the synthesis of Sn doped ZnO layered porous nanocrystal (Sn-ZLPC). Scanning electron microscopy, transmission electron microscopy, X-ray diffraction and X-ray photoelectron spectroscopy are used to characterize the detailed structures and surface/near-surface chemical composition of the as-prepared products. Sn doping is found to be the key factor controlling the layered porous structure. The possible growth mechanism of Sn-ZLPC is also discussed. As the stability of target gas increases, the optimal operating temperature shifts from 300 degrees C to 500 degrees C and the highest response shifts to the sample with high atomic ratio of Sn. The later shift is attributed to the alternate key influence of the activation energy and adsorption/desorption of oxygen ions. 5.0 at% Sn-ZLPC exhibits the best sensing properties to VOCs due to the combined effect of low activation energy, adsorption/desorption of oxygen ions and the mesoporous hierarchical structure. (C) 2014 Elsevier B.V. All rights reserved.; In this paper, a simple solvothermal method is developed for the synthesis of Sn doped ZnO layered porous nanocrystal (Sn-ZLPC). Scanning electron microscopy, transmission electron microscopy, X-ray diffraction and X-ray photoelectron spectroscopy are used to characterize the detailed structures and surface/near-surface chemical composition of the as-prepared products. Sn doping is found to be the key factor controlling the layered porous structure. The possible growth mechanism of Sn-ZLPC is also discussed. As the stability of target gas increases, the optimal operating temperature shifts from 300 degrees C to 500 degrees C and the highest response shifts to the sample with high atomic ratio of Sn. The later shift is attributed to the alternate key influence of the activation energy and adsorption/desorption of oxygen ions. 5.0 at% Sn-ZLPC exhibits the best sensing properties to VOCs due to the combined effect of low activation energy, adsorption/desorption of oxygen ions and the mesoporous hierarchical structure. (C) 2014 Elsevier B.V. All rights reserved.
KeywordMox Sensors Hierarchical Structure Modified Surfaces Sn Doping Vocs
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.snb.2014.04.078
URL查看原文
Indexed BySCI
Language英语
WOS KeywordSENSING PROPERTIES ; THIN-FILMS ; HOLLOW SPHERES ; NANOPARTICLES ; TEMPERATURE ; NANOWIRES ; PROPERTY ; CONDUCTANCE ; SENSITIVITY ; PERFORMANCE
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000338705700037
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11015
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multi Phase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci UCAS, Beijing 100049, Peoples R China
3.Beijing Inst Fash Technol, Dept Elements, Beijing 100029, Peoples R China
4.Hanyang Univ, Dept Chem Engn, Ansan 426791, Kyeonggi Do, South Korea
Recommended Citation
GB/T 7714
Yao, Mingshui,Ding, Fei,Cao, Yuebin,et al. Sn doped ZnO layered porous nanocrystals with hierarchical structures and modified surfaces for gas sensors[J]. SENSORS AND ACTUATORS B-CHEMICAL,2014,201(1):255-265.
APA Yao, Mingshui.,Ding, Fei.,Cao, Yuebin.,Hu, Peng.,Fan, Junmei.,...&Chen, Yunfa.(2014).Sn doped ZnO layered porous nanocrystals with hierarchical structures and modified surfaces for gas sensors.SENSORS AND ACTUATORS B-CHEMICAL,201(1),255-265.
MLA Yao, Mingshui,et al."Sn doped ZnO layered porous nanocrystals with hierarchical structures and modified surfaces for gas sensors".SENSORS AND ACTUATORS B-CHEMICAL 201.1(2014):255-265.
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