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Surface functionalization of SBA-15-ordered mesoporous silicas: Oxidation of benzene to phenol by nitrous oxide
Li, Ying1; Feng, Zhaochi2; van Santen, R. A.1; Hensen, E. J. M.1; Li, Can2; E.J.M. Hensen; Li C(李灿)
关键词Selective Oxidation Benzene Nitrous Oxide Fe-ga-sba-15 Ordered Mesoporous Silica Active Sites Resonance Raman Spectroscopy
刊名JOURNAL OF CATALYSIS
2008-04-25
DOI10.1016/j.jcat.2008.02.001
255期:2页:190-196
收录类别SCI
文章类型Article
部门归属5
项目归属503
产权排名2;2
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]N2O DECOMPOSITION ; SELECTIVE OXIDATION ; MFI ZEOLITES ; IRON ; FRAMEWORK ; ALUMINUM ; SBA-15 ; PERFORMANCE ; REACTIVITY ; COPOLYMER
英文摘要We report the preparation and catalytic properties of highly ordered mesoporous Fe-Ga-SBA-15 materials via direct hydrothermal synthesis. Gallium and iron ions were introduced directly into the synthesis gel typical for the preparation of SBA-15. The resulting materials had hexagonally ordered mesopores of about 6 nm and surface areas >1000 m(2)/g. In Fe-SBA-15, the iron species were mainly tetrahedrally coordinated in the amorphous silica walls. In the presence of Ga (Fe-Ga-SBA-15), Fe species were located at the silica surface as isolated species, as determined by Raman and diffuse-reflectance UV-Vis spectroscopy measurements. The Fe species in Fe-Ga-SBA-15 displayed similar properties as the FeZSM-5 zeolites toward nitrous oxide decomposition and were active in the oxidation of benzene to phenol by nitrous oxide. Ga-SBA-15 and Fe-SBA-15, on the other hand, showed no catalytic activity. Compared with Fe-Al-SBA-15, Fe-Ga-SBA-15 displayed greater selectivity to the desired phenol product. (C) 2008 Elsevier Inc. All rights reserved.
语种英语
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WOS记录号WOS:000255668200006
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被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/101297
专题中国科学院大连化学物理研究所
通讯作者E.J.M. Hensen; Li C(李灿)
作者单位1.Eindhoven Univ Technol, Schuit Inst Catalysis, NL-5600 MB Eindhoven, Netherlands
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Li, Ying,Feng, Zhaochi,van Santen, R. A.,et al. Surface functionalization of SBA-15-ordered mesoporous silicas: Oxidation of benzene to phenol by nitrous oxide[J]. JOURNAL OF CATALYSIS,2008,255(2):190-196.
APA Li, Ying.,Feng, Zhaochi.,van Santen, R. A..,Hensen, E. J. M..,Li, Can.,...&李灿.(2008).Surface functionalization of SBA-15-ordered mesoporous silicas: Oxidation of benzene to phenol by nitrous oxide.JOURNAL OF CATALYSIS,255(2),190-196.
MLA Li, Ying,et al."Surface functionalization of SBA-15-ordered mesoporous silicas: Oxidation of benzene to phenol by nitrous oxide".JOURNAL OF CATALYSIS 255.2(2008):190-196.
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