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Ordered Arrays of Bead-Chain-like In2O3 Nanorods and Their Enhanced Sensing Performance for Formaldehyde
Alternative TitleChem. Mat.
Lai, Xiaoyong1; Wang, Dan1; Han, Ning1; Du, Jiang1; Li, Jun1; Xing, Chaojian1; Chen, Yunfa1; Li, Xiaotian2
2010-05-25
Source PublicationCHEMISTRY OF MATERIALS
ISSN0897-4756
Volume22Issue:10Pages:3033-3042
AbstractHere we present a class of formaldehyde (HCHO) gas sensors with strong responses based on ordered mesostructured In2O3 nanorod arrays, which are synthesized via the nanocastiniz route by directly using the solvent-extracted mesoporous silica as a hard template. By choosing mesoporous silica with different pore sizes and interconnectivity as templates and varying the loading of indium resource on the silica template, we have obtained a series of mesostructured In2O3 nanorod arrays with different textural parameters such as specific surface area, pore size, nanorod diameter, etc. The gas sensing properties for formaldehyde (HCHO) of the In2O3 specimens were examined. The results reveal those mesostructured In2O3 nanorod arrays possess much stronger responses to HCHO even at low concentrations than the bulk In2O3, and larger specific surface areas and pore sizes as well as smaller nanorod diameters would be beneficial for enhancing the sensing properties of In2O3.; Here we present a class of formaldehyde (HCHO) gas sensors with strong responses based on ordered mesostructured In2O3 nanorod arrays, which are synthesized via the nanocastiniz route by directly using the solvent-extracted mesoporous silica as a hard template. By choosing mesoporous silica with different pore sizes and interconnectivity as templates and varying the loading of indium resource on the silica template, we have obtained a series of mesostructured In2O3 nanorod arrays with different textural parameters such as specific surface area, pore size, nanorod diameter, etc. The gas sensing properties for formaldehyde (HCHO) of the In2O3 specimens were examined. The results reveal those mesostructured In2O3 nanorod arrays possess much stronger responses to HCHO even at low concentrations than the bulk In2O3, and larger specific surface areas and pore sizes as well as smaller nanorod diameters would be beneficial for enhancing the sensing properties of In2O3.
KeywordChemical-vapor-deposition Indium Oxide Gas Sensors Mesoporous Silica Metal-oxides Nanocasting Route Crystalline Walls Facile Synthesis Copper-oxide Nanoparticles
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/cm100181c
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCHEMICAL-VAPOR-DEPOSITION ; INDIUM OXIDE ; GAS SENSORS ; MESOPOROUS SILICA ; METAL-OXIDES ; NANOCASTING ROUTE ; CRYSTALLINE WALLS ; FACILE SYNTHESIS ; COPPER-OXIDE ; NANOPARTICLES
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS IDWOS:000277635000003
Citation statistics
Cited Times:107[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6421
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.Jilin Univ, Coll Mat Sci & Engn, Changchun 130012, Peoples R China
Recommended Citation
GB/T 7714
Lai, Xiaoyong,Wang, Dan,Han, Ning,et al. Ordered Arrays of Bead-Chain-like In2O3 Nanorods and Their Enhanced Sensing Performance for Formaldehyde[J]. CHEMISTRY OF MATERIALS,2010,22(10):3033-3042.
APA Lai, Xiaoyong.,Wang, Dan.,Han, Ning.,Du, Jiang.,Li, Jun.,...&Li, Xiaotian.(2010).Ordered Arrays of Bead-Chain-like In2O3 Nanorods and Their Enhanced Sensing Performance for Formaldehyde.CHEMISTRY OF MATERIALS,22(10),3033-3042.
MLA Lai, Xiaoyong,et al."Ordered Arrays of Bead-Chain-like In2O3 Nanorods and Their Enhanced Sensing Performance for Formaldehyde".CHEMISTRY OF MATERIALS 22.10(2010):3033-3042.
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