Citation: Li Qin DANG, Wan Sheng YOU, Xin ZHANG, Cui Ying HUANG, Zhi Bin LEI, Zhen Gang SUN, Can LI. Photocatalytic Hydrogen Evolution of Keggin-type Polyoxotungstates and their Electrochemical Behaviors[J]. Chinese Chemical Letters, ;2006, 17(7): 973-976. shu

Photocatalytic Hydrogen Evolution of Keggin-type Polyoxotungstates and their Electrochemical Behaviors

1.
Institute of Chemistry for Functionalized Materials, Faculty of Chemistry and Chemical Engneering, Liaoning Normal University, Liaoning 116029;
2.
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Science, Liaoning 116023

Received Date: 12 December 2005

Fund Project: This work was financially supported by the National Natural Science Foundation of China (No. 20273070), the National Key Basic Research and Development Program (No. 2003CB214500). The authors also gratefully acknowledge the Liaoning Provincial Science and Technology Commission (No. 200310592003) and Dalian Municipal Science and Technology Commission for financial support.

The photocatalytic hydrogen evolution and electrochemical behaviors of Kiggen-type XW₁₂O₄₀^n- (X=P, Ge and Si) are investigated. It is found that the two-electron reduced species are active for H₊ reduction and the more negative the potential of XW₁₂O₄₀^{(n+2)-/(n+1)-} is, the higher the activity for hydrogen evolution is.
- Polyoxotungstates,
- photocatalysis,
- hydrogen evolution,
- electrochemistry
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