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Acta Phys. -Chim. Sin.  2004, Vol. 20 Issue (04): 424-427    DOI: 10.3866/PKU.WHXB20040420
Note     
Study of Loaded Photocatalysts by Precious Metals on the Photocatalytic Reactivity
Zhang Jin-Long;Zhao Wen-Juan;Chen Hai-Jun;Xu Hua-Sheng;Chen Ai-Ping;Anpo Masa-Kazu
Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237; 1Key Laboratory for Ultrofine Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237;Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai,Osaka 599-8531, Japan
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Abstract  The functional photocatalysts of high photocatalytic reactivity under visible light irradiation were prepared by loading precious metals on the vanadium ion implanted titanium oxide. The photocatalytic hydrolysis reaction of methylacetylene was studied under the visible light and solar beam. Those modified titanium oxides were used to construct conversion system of solar to chemical energy. It was found from experimental results that existence of precious metals on the V/TiO2 photocatalysts has the advantage of promotion of hydrogenation reaction in photocatalytic hydrolysis reaction of methylacetylene, and increase of propene product. The photocatalytic reactivities under visible light irradiation have a close relationship with oxidation states of the precious metals on titanium oxide and it is necessary for increasing photcatalytic reactivities that precious metals be reduced to 0 valence.

Key wordsTitanium oxide      Photocatalyst      Visible light      Precious metal loaded       Ion implant     
Received: 12 September 2003      Published: 15 April 2004
Corresponding Authors: Zhang Jin-Long     E-mail: jlzhang@ecust.edu.cn
Cite this article:

Zhang Jin-Long;Zhao Wen-Juan;Chen Hai-Jun;Xu Hua-Sheng;Chen Ai-Ping;Anpo Masa-Kazu. Study of Loaded Photocatalysts by Precious Metals on the Photocatalytic Reactivity. Acta Phys. -Chim. Sin., 2004, 20(04): 424-427.

URL:

http://www.whxb.pku.edu.cn/10.3866/PKU.WHXB20040420     OR     http://www.whxb.pku.edu.cn/Y2004/V20/I04/424

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