Published January 1, 2008
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Synthesis and NMR Characterization of Titanium and Zirconium Oxides Incorporated in SBA-15
Creators
- 1. Middle E Tech Univ, Dept Chem Engn, TR-06531 Ankara, Turkey
- 2. Middle E Tech Univ, Dept Chem, TR-06531 Ankara, Turkey
- 3. Univ Leipzig, Inst Expt Phys 2, D-04103 Leipzig, Germany
Description
Single oxides of Ti and Zr incorporated SBA-15 were prepared and characterized by N-2 adsorption, NMR, and XPS techniques. Si-29 MAS NMR results suggest the formation of Si-O-X linkages (X: Ti or Zr) by an increase in the ratio of Q(3)/Q(4) in the presence of Ti or Zr. XPS analysis of Ti-SBA-15 catalysts indicate the presence of Ti-O-Si bonds in addition to Ti-O-Ti and Si-O-Si bonds, supporting the NMR evidence.
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