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Designed formation through a metal organic framework route of ZnO/ZnCo2O4 hollow core-shell nanocages with enhanced gas sensing properties
Qu, Fengdong; Jiang, Huifang; Yang, Minghui
Source PublicationNANOSCALE
2016-09-28
ISSN2040-3364
DOI10.1039/c6nr05187a
Volume8Issue:36Pages:16349-16356
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS KeywordZEOLITIC IMIDAZOLATE FRAMEWORKS ; MICRO-/NANOSTRUCTURES ; OXIDE NANOSTRUCTURES ; HIGH-PERFORMANCE ; SENSORS ; XYLENE ; OXIDATION ; BENZENE ; NANOPARTICLES ; TEMPLATE
AbstractThe rational design of nanoscale metal oxides with hollow structures and tunable porosity has stimulated tremendous attention due to their vital importance for practical applications. Here, we report the designed synthesis of ZnO/ZnCo2O4 hollow core-shell nanocages (HCSNCs) through a metal-organic framework (MOF) route. The strategy includes the synthesis of a zeolite imidazolate framework-8 (ZIF-8)/Co-Zn hydroxide core-shell nanostructure precursor and subsequent transformation to ZnO/ZnCo2O4 HCSNCs by thermal annealing of the as-prepared precursor in air. Various techniques were employed for characterization of the structure and morphology of the as-prepared ZnO/ZnCo2O4 HCSNCs. When applied as a gas sensing material, the ZnO/ZnCo2O4 HCSNCs show enhanced sensitivity to xylene when compared with ZnCo2O4 shells as well as ZnO nanocages (NCs). In addition, excellent reversibility and superior selectivity of the sensor were observed. The remarkable enhancement in the gas-sensing properties of the ZnO/ZnCo2O4 HCSNCs is attributed to their unique structure and a synergistic effect of ZnO and ZnCo2O4.
Language英语
WOS IDWOS:000384531600028
PublisherROYAL SOC CHEMISTRY
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/169993
Collection中国科学院大连化学物理研究所
Corresponding AuthorYang, Minghui
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Qu, Fengdong,Jiang, Huifang,Yang, Minghui. Designed formation through a metal organic framework route of ZnO/ZnCo2O4 hollow core-shell nanocages with enhanced gas sensing properties[J]. NANOSCALE,2016,8(36):16349-16356.
APA Qu, Fengdong,Jiang, Huifang,&Yang, Minghui.(2016).Designed formation through a metal organic framework route of ZnO/ZnCo2O4 hollow core-shell nanocages with enhanced gas sensing properties.NANOSCALE,8(36),16349-16356.
MLA Qu, Fengdong,et al."Designed formation through a metal organic framework route of ZnO/ZnCo2O4 hollow core-shell nanocages with enhanced gas sensing properties".NANOSCALE 8.36(2016):16349-16356.
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