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Article | Open Access

Photoactivation of Ion-exchangeable Trititanate Nanotubes Modified by MS (M = Cd, Zn) Nanoparticles

Hong Li1, Yingge Zhang1( ), Weiping Huang2( )
Institute of Pharmacology and Toxicology and Key Laboratory of Nanopharmacology and Nanotoxicology, Beijing Academy of Medical Sciences, Beijing 100850 P. R. China
Department of Chemistry, Nankai University, Tianjin, 300071, P. R. China
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Abstract

Ion-exchangable trititanate nanotubes synthesized by the alkali treatment of TiO2 (anatase) are modified by MS (M = Cd, Zn) nanoparticles via a simple wet chemical process. The obtained samples are characterized by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), and Raman spectroscopy. The photocatalytic activities of the samples are evaluated upon the oxidation of methyl orange under UV light illumination. Results show that the photoactivation may be caused by the strong coupling between the nanotube and the nanoparticles, which is a direct consequence of the ion exchange property of the trititanate wall structure during the formation of TiO2/MS.

Keywords

metal sulfidephotoactivationIon-exchangabletrititanate nanotubes

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Nano Biomedicine and Engineering
Volume 1 Issue 1,
March 2009
Pages 32-37
DOI: 10.5101/nbe.v1i1.p32-37
Cite this article:
Li H, Zhang Y, Huang W. Photoactivation of Ion-exchangeable Trititanate Nanotubes Modified by MS (M = Cd, Zn) Nanoparticles. Nano Biomedicine and Engineering, 2009, 1(1): 32-37. https://doi.org/10.5101/nbe.v1i1.p32-37

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Received: 10 November 2009
Accepted: 06 December 2009
Published: 09 December 2009
© 2009 H. Li et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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