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Vol. 26 No. 5 (2014): Vol 26 Issue 5

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Preparation and Enhanced Photocatalytic Activity of TiO2 Nanobelts Decorated with Silver Nanoparticles

https://doi.org/10.14233/ajchem.2014.17226
Yang Li
School of Physics and Materials Science, Anhui University, Hefei 230039, P.R. China ;School of Science, Anhui University of Science and Technology, Huainan 232001, P.R. China
Wenjian Wu
School of Physics and Materials Science, Anhui University, Hefei 230039, P.R. China
Lili Zhang
School of Physics and Materials Science, Anhui University, Hefei 230039, P.R. China
Peng Dai
School of Physics and Materials Science, Anhui University, Hefei 230039, P.R. China
Mingzai Wu
School of Physics and Materials Science, Anhui University, Hefei 230039, P.R. China
Zhaoqi Sun
School of Physics and Materials Science, Anhui University, Hefei 230039, P.R. China
Guang Li
School of Physics and Materials Science, Anhui University, Hefei 230039, P.R. China
Ying Xiong
School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P.R. China
Xiansong Liu
School of Physics and Materials Science, Anhui University, Hefei 230039, P.R. China

Corresponding Author(s) : Mingzai Wu

mingzaiwu@gmail.com

Asian Journal of Chemistry, Vol. 26 No. 5 (2014): Vol 26 Issue 5

Abstract

In this paper, well-oriented TiO2 nanobelts decorated with silver nanoparticles on titanium foils were prepared by hydrothermal corrosion, subsequently annealing treatment and successive ionic layer adsorption reaction (SILAR) technique. The ultraviolet-visible absorption spectra show that the silver nanoparticles deposited on the TiO2 nanobelts surfaces can induce the red-shift of absorption edge and exhibits a broad absorption band in the visible region, which extends the scope of absorption spectrum and help to improve the photocatalytic degradation efficiency. The photocatalytic experiment results reveal that silver-decorated TiO2 nanobelts possess higher photocatalytic activities toward methyl orange than pure TiO2 nanobelts. In addition, the as-prepared Ag/TiO2 composite photocatalysts also exhibited excellent long-time recyclable ability for the degradation of contaminants.

Keywords

TiO2 nanobelts Silver nanoparticles Photocatalytic Methyl orange. Methyl orange
Li, Y., Wu, W., Zhang, L., Dai, P., Wu, M., Sun, Z., … Liu, X. (2014). Preparation and Enhanced Photocatalytic Activity of TiO2 Nanobelts Decorated with Silver Nanoparticles. Asian Journal of Chemistry, 26(5), 1341–1345. https://doi.org/10.14233/ajchem.2014.17226
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