Synthesis and NMR Characterization of Titanium and Zirconium Oxides Incorporated in SBA-15

Degirmenci V., Erdem O. F., Ergun O., YILMAZ A., Michel D., ÜNER D.

TOPICS IN CATALYSIS, cilt.49, ss.204-208, 2008 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 49
  • Basım Tarihi: 2008
  • Doi Numarası: 10.1007/s11244-008-9078-z
  • Dergi Adı: TOPICS IN CATALYSIS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.204-208
  • Anahtar Kelimeler: Titania, Zirconia, Si-29 MAS NMR, SBA-15, Mesoporous silica, MESOPOROUS MOLECULAR-SIEVES, ENHANCED PHOTOCATALYTIC ACTIVITY, SULFATED ZIRCONIA, SPECTROSCOPIC CHARACTERIZATION, CATALYTIC PERFORMANCE, SILICA, TIO2, COPOLYMER, TRIBLOCK, SURFACE
  • Orta Doğu Teknik Üniversitesi Adresli: Evet

Özet

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.