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Synthesis and Morphology Control of AM-6 Nanofibers with Tailored -V-O-V- Intermediates
Guo, Meiling1; Feng, Zhaochi1; Hofmann, Jan P.2; Weckhuysen, Bert M.2; Fan, Fengtao1; Li, Can1
关键词Hydrothermal Synthesis Raman Spectroscopy Reaction Mechanisms X-ray Diffraction Zeolites
刊名CHEMISTRY-A EUROPEAN JOURNAL
2013-10-11
DOI10.1002/chem.201301812
19期:42页:14200-14204
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]MICROPOROUS TITANOSILICATE ETS-10 ; QUANTUM WIRES ; VANADOSILICATE AM-6 ; LOCAL-STRUCTURE ; ACID TREATMENT ; CATALYSTS ; ZEOLITE ; CRYSTALLIZATION ; ENHANCEMENT ; IRRADIATION
英文摘要Microporous vanadosilicates with octahedral VO6 and tetrahedral SiO4 units, better known as AM-6, have been hydrothermally synthesized with different morphologies by controlling the Na/K molar ratio of the initial gel mixtures. The morphology of the AM-6 materials changed from bulky cube to nanofiber aggregates as the Na/K molar ratio decreased from 1.9 to 0.2. Raman spectroscopy revealed that the VO3- intermediate species plays an important role in the formation of the nanofiber morphology. The orientation of -V-O-V- chains in nanofiber aggregates was examined by confocal polarized micro-Raman spectroscopy. It was found that these aggregates are assemblies of short -V-O-V- chains perpendicular to the axis of nanofibers. The obtained AM-6 nanofibers greatly increase the exposed proportion of VO terminals, and thus improve the catalytic performance.
语种英语
WOS记录号WOS:000325488900030
引用统计
被引频次:3[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/321008/137575
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Utrecht, Debye Inst NanoMat Sci, NL-3584 CG Utrecht, Netherlands
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GB/T 7714
Guo, Meiling,Feng, Zhaochi,Hofmann, Jan P.,et al. Synthesis and Morphology Control of AM-6 Nanofibers with Tailored -V-O-V- Intermediates[J]. CHEMISTRY-A EUROPEAN JOURNAL,2013,19(42):14200-14204.
APA Guo, Meiling,Feng, Zhaochi,Hofmann, Jan P.,Weckhuysen, Bert M.,Fan, Fengtao,&Li, Can.(2013).Synthesis and Morphology Control of AM-6 Nanofibers with Tailored -V-O-V- Intermediates.CHEMISTRY-A EUROPEAN JOURNAL,19(42),14200-14204.
MLA Guo, Meiling,et al."Synthesis and Morphology Control of AM-6 Nanofibers with Tailored -V-O-V- Intermediates".CHEMISTRY-A EUROPEAN JOURNAL 19.42(2013):14200-14204.
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