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Citation: WANG Kun, ZHANG Wei-Wei, YIN Sheng, QIAN Jing, GUO Jun-Xiang, LI Hua-Ming. Preparation and Electrocatalytic Properties of Inorganicorganic Hybrid Polyoxometalate [Bmim]₅PMo₁₀V₂O₄₀[J]. Chinese Journal of Applied Chemistry, ;2009, 26(1): 32-36. shu

Preparation and Electrocatalytic Properties of Inorganicorganic Hybrid Polyoxometalate [Bmim]₅PMo₁₀V₂O₄₀

1.
College of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013

Corresponding author: WANG Kun,
Received Date: 29 December 2007
Available Online: 23 April 2008
Fund Project: 国家自然科学基金(20676057) (20676057)生命分析化学教育部重点实验室开放基金(KLACLS07004) (KLACLS07004)江苏大学高级人才基金(06JDG016) (06JDG016)镇江市工业攻关课题(GY2006021)资助项目 (GY2006021)

The Keggin inorganic-organic hybrid molybdovanadophosphoricimidazo-lium([Bmim]₅PMo₁₀V₂O₄₀) was prepared and characterized by elemental analysis,ICP-AES,IR,TG and DTA.Electrochemical behavior of pyrocatechol and H₂O2 was investigated at the carbon paste electrode(CPE) modified by [Bmim]₅PMo₁₀V₂O₄₀(B-PMo₁₀V₂O₄₀-CPE) in 0.5 mol/L H₂SO₄ aqueous solution.Compared with the response of pyrocatechol and H₂O₂ at the bare CPE,the ΔE_P of the redox potential of pyrocatechol at the B-PMo₁₀V₂O₄₀-CPE decreased by 108 mV,and the redox current increased remarkably.The irreversible reduction peaks of H₂O₂5PMo₁₀V₂O₄₀ retained electrocatalytic activities toward the redox of pyrocatechol and the reduction of hydrogen peroxide,and the fabricated modified electrode showed remarkable stability,excellent repeatability and is surface-renewalbe.
- molybdovanadophosphate,
- inorganic-organic hybrid,
- carbon paste electrode,
- electrocatalysis
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Preparation and Electrocatalytic Properties of Inorganicorganic Hybrid Polyoxometalate [Bmim]₅PMo₁₀V₂O₄₀