Catalysis Letters

, Volume 131, Issue 3, pp 381–387

Mesoporous TiO2/SBA-15, and Cu/TiO2/SBA-15 Composite Photocatalysts for Photoreduction of CO2 to Methanol

Authors

  • Hsien-Chang Yang
    • Energy and Environment Research LaboratoriesIndustrial Technology Research Institute
    • Department of Materials Science and EngineeringNational Dong Hwa University
  • Yu-Shiang Chien
    • Department of Materials Science and EngineeringNational Dong Hwa University
  • Jeffrey Chi-Sheng Wu
    • Department of Chemical EngineeringNational Taiwan University
  • Hsin-Hsien Wu
    • Energy and Environment Research LaboratoriesIndustrial Technology Research Institute
Article

DOI: 10.1007/s10562-009-0076-y

Cite this article as:
Yang, H., Lin, H., Chien, Y. et al. Catal Lett (2009) 131: 381. doi:10.1007/s10562-009-0076-y

Abstract

A series of mesoporous TiO2/SBA-15, Cu/TiO2 and Cu/TiO2/SBA-15 composite photocatalysts were prepared by sol–gel synthesis for photoreduction of CO2 with H2O to methanol. It was found that optimum amount of titanium loading of TiO2/SBA-15 was 45 wt% which exhibited higher photoreduction activity than pure TiO2. An addition of copper on TiO2 or TiO2/SBA-15 catalyst as cocatalyst was found to enhance the catalytic activity because copper serves as an electron trapper and prohibits the recombination of hole and electron.

Keywords

Titanium dioxideMesoporous silicaSBA-15Carbon dioxidePhotoreduction

Supplementary material

10562_2009_76_MOESM1_ESM.jpg (144 kb)
Supplementary material 1 (JPG 143 kb)
10562_2009_76_MOESM2_ESM.jpg (246 kb)
Supplementary material 2 (JPG 245 kb)

Copyright information

© Springer Science+Business Media, LLC 2009