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Journal of Materials Science

, Volume 41, Issue 8, pp 2187–2193 | Cite as

Photocatalytic properties of the SBA-15 mesoporous silica molecular sieve modified with titanium

  • A. Orlov
  • Q.-Z. Zhai
  • J. Klinowski
Article

Abstract

We describe three methods of post-synthesis modification of the SBA-15 mesoporous molecular sieve with titanium: impregnation with Ti(OEt)4 in an ethanolic solution, grafting with titanocene dichloride, and modification with colloidal titania. The products were characterized using X-ray diffraction (XRD) and N2 adsorption as well as Fourier-transform infrared and 29Si NMR spectroscopies. All three methods yield materials containing 1.4--4.7 wt.% titanium and with high surface areas. The absorbance at 960 cm−1 in SBA-15 modified with colloidal titania and SBA-15 grafted with titanocene indicates the formation of Ti–O bonds. All products showed significant activity towards the degradation of p-chlorophenol. UV-vis absorption spectra of SBA-15 samples modified with titanium indicate that the variation in the photocatalytic activity is governed by isolated titanium sites.

Keywords

Photocatalytic Activity Molecular Sieve Mesoporous Silica Dichloride Mesoporous Molecular Sieve 

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References

  1. 1.
    B. SULIKOWSKI and J. KLINOWSKI, Appl. Catal. A84 (1992) 141.Google Scholar
  2. 2.
    K. IKEUE, H. YAMASHITA and M. ANPO, Chem. Lett. (1999) 1135.Google Scholar
  3. 3.
    M. ANPO, H. YAMASHITA, K. IKEUE, Y. FUJII, S. G. ZHANG, Y. ICHIHASHI, D.R. PARK, Y. SUZUKI, K. KOYANO and T. TATSUMI, Catal. Today 44 (1998) 327.Google Scholar
  4. 4.
    P. T. TANEV, M. CHIBWE and T. J. PINNAVAIA, Nature 368 (1994) 321.Google Scholar
  5. 5.
    M. D. ALBA, Z. H. LUAN and J. KLINOWSKI, J. Phys. Chem. 100 (1996) 2178.CrossRefGoogle Scholar
  6. 6.
    M. MOREY, A. DAVIDSON and G. STUCKY, Microporous Mater. 6 (1996) 99.Google Scholar
  7. 7.
    K. A. KOYANO and T. TATSUMI, Chem. Commun. (1996) 145.Google Scholar
  8. 8.
    J. V. WALKER, M. MOREY, H. CARLSSON, A. DAVIDSON, G. D. STUCKY and A. BUTLER, J. Am. Chem. Soc. 119 (1997) 6921.Google Scholar
  9. 9.
    M. S. MOREY, S. O’BRIEN, S. SCHWAR and G. D. STUCKY Chem. Mat. 12 (2000) 898.Google Scholar
  10. 10.
    T. MASCHMEYER, F. REY, G. SANKAR and J. M. THOMAS, Nature 378 (1995) 159.Google Scholar
  11. 11.
    A. HAGEN, D. WEI and G. HALLER, in: “Mesoporous Molecular Sieves” (Elsevier, Baltimore, 1998) p. 191.Google Scholar
  12. 12.
    H. VAN BEKKUM and K. R. KLOETSTRA, in: “Mesoporous Molecular Sieves” (Elsevier, Baltimore, 1998) p. 171.Google Scholar
  13. 13.
    Q. DAI, N. HE, K. WENG, B. LIN, Z. LU and C. YUAN, J. Incl. Phenom. Macro. 35 (1999) 11.Google Scholar
  14. 14.
    S. ZHENG, L. A. GAO, Q. H. ZHANG and J. K. GUO, J. Mater. Chem. 10 (2000) 723.Google Scholar
  15. 15.
    B. J. ARONSON, C. F. BLANFORD and A. STEIN, Chem. Mat. 9 (1997) 2842.Google Scholar
  16. 16.
    Y. M. XU, W. ZHENG and W. P. LIU, J. Photochem. Photobiol. A122 (1999) 57.CrossRefGoogle Scholar
  17. 17.
    H. YAMASHITA, S. KAWASAKI, Y. ICHIHASHI, M. HARADA, M. TAKEUCHI, M. ANPO, G. STEWART, M. A. FOX, C. LOUIS and M. CHE, J. Phys. Chem. B102 (1998) 5870.Google Scholar
  18. 18.
    D. Y. ZHAO, J. L. FENG, Q. S. HUO, N. MELOSH, G. H. FREDRICKSON, B. F. CHMELKA and G. D. STUCKY, Science 279 (1998) 548.Google Scholar
  19. 19.
    D. Y. ZHAO, Q. S. HUO, J. L. FENG, B. F. CHMELKA and G. D. STUCKY, J. Am. Chem. Soc. 120 (1998) 6024.CrossRefGoogle Scholar
  20. 20.
    D. Y. ZHAO, J. Y. SUN, Q. Z. LI and G. D. STUCKY, Chem. Mat. 12 (2000) 275.Google Scholar
  21. 21.
    Z. H. LUAN, M. HARTMANN, D. Y. ZHAO, W. Z. ZHOU and L. KEVAN, ibid. 11 (1999) 1621.Google Scholar
  22. 22.
    M. J. CHENG, Z. B. WANG, K. SAKURAI, F. KUMATA, T. SAITO, T. KOMATSU and T. YASHIMA, Chem. Lett. (1999) 131.Google Scholar
  23. 23.
    R. VAN GRIEKEN, J. AGUADO, M. J. LOPEZ-MUNOZ and J. MARUGAN, J. Photochem. Photobiol. A148 (2002) 315.CrossRefGoogle Scholar
  24. 24.
    M. J. LOPEZ-MUNOZ, R. VAN GRIEKEN, J. AGUADO and J. MARUGAN, Catal. Today 101 (2005) 307.Google Scholar
  25. 25.
    A. CORMA, Chem. Rev. 97 (1997) 2373.Google Scholar
  26. 26.
    T. BLASCO, A. CORMA, M. T. NAVARRO and J. P. PARIENTE, J. Catal. 156 (1995) 65.CrossRefGoogle Scholar
  27. 27.
    A. CARATI, C. FLEGO, E. P. MASSARA, R. MILLINI, L. CARLUCCIO, W. O. PARKER and G. BELLUSSI, Microporous Mesoporous Mat. 30 (1999) 137.Google Scholar
  28. 28.
    G. ENGELHARDT and D. MICHEL, in: “High-resolution Solid-State NMR of Silicates and Zeolites” (John Wiley, Chichester, 1987).Google Scholar

Copyright information

© Springer Science + Business Media, Inc. 2006

Authors and Affiliations

  1. 1.Department of ChemistryUniversity of CambridgeCambridgeU.K.

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