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ZnO micro-windbreak for enhanced gas diffusion
Yao, Mingshui1,2; Hu, Peng1; Han, Ning3; Ding, Fei1; Yin, Chunlei1,2; Yuan, Fangli1; Yang, Jun1; Chen, Yunfa1
2013-09-01
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
ISSN0925-4005
Volume186Issue:0Pages:614-621
AbstractIn this paper, a simple way is developed for the synthesis of the ZnO micro-windbreak film (ZMW) based on layered basic zinc salt precursor. The ZnO products maintain the original morphologies of precursors without deformation. Scanning electron microscopy, transmission electron microscopy, infrared spectrum and X-ray diffraction are used to characterize the detailed structures of the as-prepared products. Because of better gas diffusion in single layer ordered flower arrays (highly exposed surfaces) and thin belt-like branches (high diffusion coefficient) than other hierarchical structures, ZMW exhibits the highest responses to benzene gas. High responses allow ZMW to be used for the detection of benzene at ppb-level. By simply sputtering the platinum on both faces of ZMW to enhance the surface reaction, the optimal operating temperature for benzene detection could be reduced to 350 degrees C and the responses are significantly improved. (C) 2013 Elsevier B.V. All rights reserved.
KeywordMox Sensors Hierarchical Structure Gas Diffusion Diffusion Coefficient Benzene Sensing
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.snb.2013.06.057
Indexed BySCI
Language英语
WOS KeywordZINC-OXIDE ; THIN-FILMS ; CONTROLLED SENSITIVITY ; SENSING PROPERTIES ; SENSORS ; ARRAYS ; METAL ; PERFORMANCE ; SNO2 ; MICROSTRUCTURE
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000324223600083
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13342
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100864, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Yao, Mingshui,Hu, Peng,Han, Ning,et al. ZnO micro-windbreak for enhanced gas diffusion[J]. SENSORS AND ACTUATORS B-CHEMICAL,2013,186(0):614-621.
APA Yao, Mingshui.,Hu, Peng.,Han, Ning.,Ding, Fei.,Yin, Chunlei.,...&Chen, Yunfa.(2013).ZnO micro-windbreak for enhanced gas diffusion.SENSORS AND ACTUATORS B-CHEMICAL,186(0),614-621.
MLA Yao, Mingshui,et al."ZnO micro-windbreak for enhanced gas diffusion".SENSORS AND ACTUATORS B-CHEMICAL 186.0(2013):614-621.
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