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Photocatalytic Oxidation of Small Molecular Hydrocarbons over ZnO Nanostructures: The Difference between Methane and Ethylene and the Impact of Polar and Nonpolar Facets
Li, Zhonghua; Boda, Muzaffar Ahmad; Pan, Xiaoyang; Yi, Zhiguo
2019-12-02
Source PublicationACS SUSTAINABLE CHEMISTRY & ENGINEERING
ISSN2168-0485
Volume7Issue:23Pages:19042
SubtypeArticle
AbstractThe development of efficient photocatalysts to oxidize small molecular hydrocarbons under atmospheric conditions is of great significance. In our previous study, it was found that nanosized ZnO can fulfill this purpose with unprecedented activity. However, the difference between the hydrocarbons and the impact of polar and nonpolar facets of ZnO are far from understood. Herein, by the successful synthesis of facet-dependent ZnO photocatalysts with predominantly (0001)- and (0110)-facets-exposed single-crystalline nanosheets and nanorods, it was observed that the photocatalytic reaction of CH4 over ZnO surface follows quasi-first-order kinetics, while the photocatalytic reaction of C2H4 on the highly active ZnO nanosheets surface followed two-stage linear fitting kinetics. By exploring the band edge potentials, photoelectric response in combination with Fourier transform infrared spectroscopy (FTIR) and electron paramagnetic resonance (EPR), the differences between methane and ethylene photo-oxidation and the impact of polar and nonpolar facets are systematically discussed.
Keywordfacet dependence ZnO small molecular hydrocarbons photocatalytic oxidation
DOI10.1021/acssuschemeng.9b04661
WOS KeywordMETAL-ORGANIC FRAMEWORK ; FACILE SYNTHESIS ; TIO2 ; PERFORMANCE ; REMOVAL ; PHOTOOXIDATION ; NANOCATALYSTS ; MORPHOLOGY ; CONVERSION ; CATALYSTS
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Engineering
PublisherAMER CHEMICAL SOC
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27456
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Li, Zhonghua,Boda, Muzaffar Ahmad,Pan, Xiaoyang,et al. Photocatalytic Oxidation of Small Molecular Hydrocarbons over ZnO Nanostructures: The Difference between Methane and Ethylene and the Impact of Polar and Nonpolar Facets[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2019,7(23):19042.
APA Li, Zhonghua,Boda, Muzaffar Ahmad,Pan, Xiaoyang,&Yi, Zhiguo.(2019).Photocatalytic Oxidation of Small Molecular Hydrocarbons over ZnO Nanostructures: The Difference between Methane and Ethylene and the Impact of Polar and Nonpolar Facets.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,7(23),19042.
MLA Li, Zhonghua,et al."Photocatalytic Oxidation of Small Molecular Hydrocarbons over ZnO Nanostructures: The Difference between Methane and Ethylene and the Impact of Polar and Nonpolar Facets".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 7.23(2019):19042.
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