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Controlled synthesis of hierarchical MnO2 microspheres with hollow interiors for the removal of benzene
Alternative TitleRSC Adv.
Li, Dongyan; Yang, Jun; Tang, Wenxiang; Wu, Xiaofeng; Wei, Lianqi; Chen, Yunfa
2014
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume4Issue:51Pages:26796-26803
AbstractThree types of MnO2 microspheres, viz., hierarchical hollow beta-MnO2 microspheres consisting of uniform nanorods, hierarchical double-walled hollow beta-MnO2 microspheres assembled by two-categorical nanorods, and hierarchical hollow alpha-MnO2 microspheres constructed by nanorods and nanowires, have been synthesized by a facile hydrothermal method without employing any templates, catalysts, surfactants or calcinations. A number of characterization techniques, including X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), nitrogen adsorption-desorption measurements, and X-ray photoelectron spectroscopy (XPS) are used to characterize the formed hierarchical products, and to address the following critical issues: (i) effect of the precursor concentration; (ii) the role of HCl for the formation of the hierarchical hollow structure; and (iii) the possible mechanism accounting for the formation of the hierarchical hollow microspheres. The hierarchical hollow MnO2 microspheres can be used as catalysts for the catalytic oxidation of benzene, of which the hierarchical hollow alpha-MnO2 microspheres exhibit the highest catalytic ability.; Three types of MnO2 microspheres, viz., hierarchical hollow beta-MnO2 microspheres consisting of uniform nanorods, hierarchical double-walled hollow beta-MnO2 microspheres assembled by two-categorical nanorods, and hierarchical hollow alpha-MnO2 microspheres constructed by nanorods and nanowires, have been synthesized by a facile hydrothermal method without employing any templates, catalysts, surfactants or calcinations. A number of characterization techniques, including X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), nitrogen adsorption-desorption measurements, and X-ray photoelectron spectroscopy (XPS) are used to characterize the formed hierarchical products, and to address the following critical issues: (i) effect of the precursor concentration; (ii) the role of HCl for the formation of the hierarchical hollow structure; and (iii) the possible mechanism accounting for the formation of the hierarchical hollow microspheres. The hierarchical hollow MnO2 microspheres can be used as catalysts for the catalytic oxidation of benzene, of which the hierarchical hollow alpha-MnO2 microspheres exhibit the highest catalytic ability.
KeywordLithium Storage Properties Manganese Oxide Catalysts Water-treatment Potential Application Ion Batteries Hydrothermal Synthesis Magnetic-properties Beta-mno2 Nanorods Facile Synthesis Alpha-mno2
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c4ra01146e
URL查看原文
Indexed BySCI
Language英语
WOS KeywordLITHIUM STORAGE PROPERTIES ; MANGANESE OXIDE CATALYSTS ; WATER-TREATMENT ; POTENTIAL APPLICATION ; ION BATTERIES ; HYDROTHERMAL SYNTHESIS ; MAGNETIC-PROPERTIES ; BETA-MNO2 NANORODS ; FACILE SYNTHESIS ; ALPHA-MNO2
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000338640200028
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/10921
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li, Dongyan,Yang, Jun,Tang, Wenxiang,et al. Controlled synthesis of hierarchical MnO2 microspheres with hollow interiors for the removal of benzene[J]. RSC ADVANCES,2014,4(51):26796-26803.
APA Li, Dongyan,Yang, Jun,Tang, Wenxiang,Wu, Xiaofeng,Wei, Lianqi,&Chen, Yunfa.(2014).Controlled synthesis of hierarchical MnO2 microspheres with hollow interiors for the removal of benzene.RSC ADVANCES,4(51),26796-26803.
MLA Li, Dongyan,et al."Controlled synthesis of hierarchical MnO2 microspheres with hollow interiors for the removal of benzene".RSC ADVANCES 4.51(2014):26796-26803.
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