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Finding the "Missing Components" during the Synthesis of TS-1 Zeolite by UV Resonance Raman Spectroscopy
Guo, Qiang1,2; Feng, Zhaochi1; Li, Guanna1; Fan, Fengtao1; Li, Can1
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
2013-02-14
DOI10.1021/jp310900a
Volume117Issue:6Pages:2844-2848
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordREACTIVE MOLECULES H2O ; FRAMEWORK TI(IV) ; TITANIUM SILICALITE ; SYNTHESIS MECHANISM ; POWDER DIFFRACTION ; HYDROGEN-PEROXIDE ; TI-SILICALITE ; MFI FRAMEWORK ; TI-SILICALITE-1 ; TRANSITION
AbstractThe catalytic performance of TS-1 zeolite greatly depends on the types of titanium species and their concentrations in the zeolite. Coupled with UV/vis spectroscopy, we present a UV resonance Raman spectroscopic investigation on the evolution of the titanium species during the crystallization of TS-1 zeolite. It is found that a small portion of Ti species leaches from the solid phase into the liquid phase. The "missing" Ti species in addition to the framework Ti species during the assembly process of TS-1 is identified as isolated "TiO6" species, due to the resonance Raman effect excited at 266 nm. The formation mechanisms of framework Ti species in TS-1 and the relation with the isolated "TiO6" species during the synthesis process are clarified. A synthetic strategy was designed to increase the concentration of the framework titanium by a factor of 1.5 for the actual synthesis of TS-1 zeolite.
Language英语
WOS IDWOS:000315181800054
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/137873
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Guo, Qiang,Feng, Zhaochi,Li, Guanna,et al. Finding the "Missing Components" during the Synthesis of TS-1 Zeolite by UV Resonance Raman Spectroscopy[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2013,117(6):2844-2848.
APA Guo, Qiang,Feng, Zhaochi,Li, Guanna,Fan, Fengtao,&Li, Can.(2013).Finding the "Missing Components" during the Synthesis of TS-1 Zeolite by UV Resonance Raman Spectroscopy.JOURNAL OF PHYSICAL CHEMISTRY C,117(6),2844-2848.
MLA Guo, Qiang,et al."Finding the "Missing Components" during the Synthesis of TS-1 Zeolite by UV Resonance Raman Spectroscopy".JOURNAL OF PHYSICAL CHEMISTRY C 117.6(2013):2844-2848.
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