硅钨杂多酸修饰微电极的研究  

Study of SiW_(12) Heteropolyacid Modified Microelectrode

作　　者：田敏[1] 奚晓丹[1] 董绍俊[1] 

机构地区：[1]中国科学院长春应用化学研究所电分析化学开放研究实验室

出　　处：《分析化学》1996年第8期902-905,共4页Chinese Journal of Analytical Chemistry

基　　金：国家自然科学基金

摘　　要：研究了硅钨杂多酸在常规电极及微电极上的电化学行为。讨论了pH对硅钨杂多酸电化学行为的影响。用吸附法制备了硅钨杂多酸微修饰电极，且研究了其对NO-2的电催化反应，结果表明做修饰电极大大降低了NO-2还原的过电位。The electrochemical behavior of SiW12 heteropolyacid on conventional electrode and microelectrode was studied. The effect of solution pH on the electrochemical behavior of SiW12 was discusscd. The modified microelectrode of SiW12 heteropolyacid was made, and its electxocatalytic reduction of nitrite was assessed. It showed that the modified microelectrode greatly reduced the overpotential of nitrite reduction.

关 键 词：杂多酸 修饰电极 电催化 硅 硅钨杂多酸 电化学 

分 类 号：O613.71[理学—无机化学] O646.5[理学—化学]