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Morphology-controlled ZnO spherical nanobelt-flower arrays and their sensing properties
Yao, Mingshui1,2; Hu, Peng1; Cao, Yuebin1; Xiang, Weicheng1; Zhang, Xing3; Yuan, Fangli1; Chen, Yunfa1
2013-02-01
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
Volume177Issue:0Pages:562-569
AbstractIn this paper, ZnO spherical nanobelt-flowers (the corresponding gas sensor is dp-ZnO-SFF) are obtained by heating Zn-5(OH)(8)Ac-2 center dot 2H(2)O (LBZA, layered basic zinc acetate) precursors, and LBZA hierarchical structures with different morphologies are designed and selectively grown by controlling the growth conditions. ZnO products obtained via pyrolysis processes maintain the original morphologies of LBZA precursors without deformation. Scanning electron microscopy, transmission electron microscopy and X-ray diffraction are used to characterize the detailed structures of the as-prepared products. Structure related experiments reveal the unique role of nanobelts and hierarchical flower structures. We conclude that the highly exposed surfaces of nanobelt branches and the 3D porous hierarchical structure of dp-ZnO-SFF provide more pathways for gas diffusion than other samples, which is responsible to its high sensing properties. To avoid the performance degradation caused by structural damage and high temperature treatment of drop-coated method, self-standing LBZA spherical nanobelt-flower arrays film is grown on the substrate. The corresponding ZnO product is directly applied as the sensing film and shows high responses to benzene gas. (c) 2012 Elsevier B.V. All rights reserved.
KeywordMox Sensors Zno Hierarchical Structure Benzene Sensing
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordBASIC ZINC ACETATE ; GAS SENSORS ; NANOWIRE ARRAYS ; THIN-FILMS ; NANOSTRUCTURES ; SENSITIVITY ; FABRICATION ; OXIDE ; ARCHITECTURES ; METAL
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000315751000075
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13625
Collection研究所(批量导入)
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
3.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yao, Mingshui,Hu, Peng,Cao, Yuebin,et al. Morphology-controlled ZnO spherical nanobelt-flower arrays and their sensing properties[J]. SENSORS AND ACTUATORS B-CHEMICAL,2013,177(0):562-569.
APA Yao, Mingshui.,Hu, Peng.,Cao, Yuebin.,Xiang, Weicheng.,Zhang, Xing.,...&Chen, Yunfa.(2013).Morphology-controlled ZnO spherical nanobelt-flower arrays and their sensing properties.SENSORS AND ACTUATORS B-CHEMICAL,177(0),562-569.
MLA Yao, Mingshui,et al."Morphology-controlled ZnO spherical nanobelt-flower arrays and their sensing properties".SENSORS AND ACTUATORS B-CHEMICAL 177.0(2013):562-569.
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