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Synthesis and characterization of bamboo-like CdS/TiO2 nanotubes composites with enhanced visible-light photocatalytic activity

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Abstract

In order to efficiently use the visible light in the photocatalytic reaction, a novel bamboo-like CdS/TiO2 nanotubes composite was prepared by a facile chemical reduction method, in which CdS nanoparticles located in the TiO2 nanotubes. The composition and structure of this nanocomposite were characterized by TEM, HRTEM, XRD, XPS, FTIR and UV-vis spectroscopy. This CdS/TiO2 nanotubes composite exhibited much higher visible-light photocatalytic activity for the degradation of methylene blue than pure TiO2 nanotubes and CdS nanoparticles, and the highest photodegradation efficiency after 6 h irradiation can reach 84.5%. It is inferred that the unique structure of CdS/TiO2 nanotubes composites acts an important role for the improvement of their photocatalytic activity.

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Acknowledgements

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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Authors and Affiliations

  1. Key Laboratory for Green Chemical Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P.R. China

    Juhong Zhu, Dong Yang, Jiaqing Geng, Daimei Chen & Zhongyi Jiang

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  1. Juhong Zhu
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  2. Dong Yang
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  3. Jiaqing Geng
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  4. Daimei Chen
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  5. Zhongyi Jiang
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Correspondence to Zhongyi Jiang.

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Zhu, J., Yang, D., Geng, J. et al. Synthesis and characterization of bamboo-like CdS/TiO2 nanotubes composites with enhanced visible-light photocatalytic activity. J Nanopart Res 10, 729–736 (2008). https://doi.org/10.1007/s11051-007-9301-z

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  • DOI: https://doi.org/10.1007/s11051-007-9301-z

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