硅钼杂多酸-聚吡咯膜修饰电极的制备及其电化学性能的研究

The preparation of SiMo_(12)/PPy modified electrode and its electrochemical properties

用电化学方法将硅钼杂多酸催化剂固定在导电聚吡咯薄膜电极上 ,制得了具有表面功能的硅钼杂多酸掺杂的聚吡咯薄膜修饰电极 .实验发现在 0 .5 mol/L H2 SO4 或 0 .5 mol/L KCl介质中制得的硅钼杂多酸的聚吡咯薄膜修饰电极具有较好的稳定性和催化性能 ,用扫描电镜 (SEM)、SEM-能谱仪 (EDS)和 X射线光电子能谱 (XPS)

The SiMo 12 modified PPy electrode is prepared by electrochemical method.In the medium of 0.5 mol/L H 2SO 4 and 0.5 mol/L KCl,respectively,the electrode prepared is shown to be stable and have a good catalytic property for the reduce of BrO - 3.The electrode is characterized by using SEM,SEM EDS and XPS techniques.