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Journal of Nanoparticle Research

, Volume 13, Issue 11, pp 5899–5908 | Cite as

Synthesis, characterization, and photocatalytic properties of core/shell mesoporous silica nanospheres supporting nanocrystalline titania

  • K. Cendrowski
  • X. Chen
  • B. Zielinska
  • R. J. Kalenczuk
  • M. H.  Rümmeli
  • B. Büchner
  • R. Klingeler
  • E. Borowiak-PalenEmail author
Special Issue: Nanostructured Materials 2010

Abstract

The facile bulk synthesis of silica nanospheres makes them an attractive support for the transport of chemical compounds such as nanocrystalline titanium dioxide. In this contribution we present a promising route for the synthesis of mesoporous silica nanospheres (m-SiO2) with diameter in range 200 nm, which are ideal supports for nanocrystalline titanium dioxide (TiO2). The detailed microscopic and spectroscopic characterizations of core/shell structure (m-SiO2/TiO2) were conducted. Moreover, the photocatalytic potential of the nanostructures was investigated via phenol decomposition and hydrogen generation. A clear enhancement of photoactivity in both reactions as compared to commercial TiO2-Degussa P25 catalyst is detected.

Keywords

Silica nanospheres Mesoporous silica nanospheres Titanium dioxide Core/shell structure Photocatalytic activity 

Notes

Acknowledgments

Authors are grateful for financial support of Polish Foundation for Science within FOCUS Program (F4/2010) and EU commission within “Carbio” project on “Multifunctional carbon nanotubes for biomedical application”—Marie Curie Fellowship (EU), MHR thanks the EU (ECEMP) and the Freistaat Sachsen.

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • K. Cendrowski
    • 1
  • X. Chen
    • 1
  • B. Zielinska
    • 1
  • R. J. Kalenczuk
    • 1
  • M. H.  Rümmeli
    • 2
    • 3
  • B. Büchner
    • 2
  • R. Klingeler
    • 4
  • E. Borowiak-Palen
    • 1
    Email author
  1. 1.Centre of Knowledge Based Nanomaterials and Technologies, Institute of Chemical and Environment EngineeringWest Pomeranian University of TechnologySzczecinPoland
  2. 2.Leibniz Institute for Solid State and Materials Research DresdenDresdenGermany
  3. 3.Technische Universität DresdenDresdenGermany
  4. 4.Kichhoff-Institute for PhysicsHeidelberg UniversityHeidelbergGermany

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