Journal of Nanoparticle Research

, Volume 11, Issue 2, pp 375–384 | Cite as

Photocatalytic properties of porous C-doped TiO2 and Ag/C-doped TiO2 nanomaterials by eggshell membrane templating

  • Qun Wang
  • Zhongyi Jiang
  • Yabo Wang
  • Daimei Chen
  • Dong Yang
Research Paper
First Online:
Received:
Accepted:

Abstract

Porous organic carbon-doped titania (C-TiO2) nanomaterials and their composites with Ag nanoparticles (Ag/C-TiO2) were synthesized by an eggshell membrane templating method, and their structural and photocatalytic properties were systematically characterized. These nanomaterials, exhibiting a macroscopic morphology of a thin film, are composed of interwoven tubes, and the tube wall consists of nanocrystals. The doped organic carbon was composed of the active carbon and carbonate species, which could form a layer around the surface of TiO2 nanoparticles, while the silver was incorporated into Ag/C-TiO2 composites as separated Ag nanoparticles. The degradation of methylene blue under visible light irradiation was employed to evaluate the photocatalytic activity of these as-prepared TiO2-based materials. Both C-TiO2 and Ag/C-TiO2 nanomaterials showed higher photocatalytic activity than pure TiO2 material–commercial Degussa P25. These results can be accounted for the coupling effect of the incorporation of carbon species and Ag nanoparticles.

Keywords

TiO2 Carbon doping Ag Templating Photocatalysis Nanoparticles Thin film 
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Notes

Acknowledgments

This work is supported by Changjiang Scholars and Innovative Research Teams in University (PCSIRT), and Programme of Introducing Talents of Discipline to Universities (No: B06006).

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Qun Wang
    • 1
  • Zhongyi Jiang
    • 1
  • Yabo Wang
    • 1
  • Daimei Chen
    • 1
  • Dong Yang
    • 1
  1. 1.Key Laboratory for Green Chemical Technology, School of Chemical Engineering and TechnologyTianjin UniversityTianjinP.R. China

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