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Visible-Light Photocatalyst of Tetramethoxyphenylporphyrin Sensitized TiO2 Nanotube

Visible-Light Photocatalyst of Tetramethoxyphenylporphyrin Sensitized TiO₂ Nanotube

Xiao-Jun Hu | Qi-Zhong Jiang* | Xiao-Zhen Liao | Wen-Feng Shangguan | Zi-Feng Ma

Department of Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240

School of Mechanical and Power Engineering, Shanghai Jiao Tong University, Shanghai, 200240

Corresponding Author Email:

qzjiang@sjtu.edu.cn

Received:

31 March 2011

| |

Accepted:

26 May 2011

| | Citation

v14n04a08_p247-250.pdf

OPEN ACCESS

Abstract:

This paper investigated the performance of photocatalysts of TiO₂ nanotubes sensitized by photosensitizers of tetramethoxyphenylporphyrin(TMPP) for producing H₂ from water under visible light. This photocatalyst might have a smaller band gap (2.6 eV). The investigation shows that a photosensitized catalyst combined TiO₂ nanotube with TMPP can be used to extend the absorption of solar light region and enhance the efficiency of energy conversion, and the quantity of H₂ evolution is 1.427 L m^-2h^-1g^-1. It was a way to apply the dye sensitized TiO₂ nanotubes photocatalyst in the visible light for clean energy.

Keywords:

nanotube; photocatalyst; sensitizer; tetramethoxyphenylporphyrin; TiO₂

1. Introduction

2. Experimental

3. Results and Discussion

4. Conclusion

Acknowledgements

This work was supported by the National Natural Science Foundation of China (20976104, 21073120), and the National Basic Research Program of China (2009CB220004).

References

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Visible-Light Photocatalyst of Tetramethoxyphenylporphyrin Sensitized TiO2 Nanotube