(TMOPP)Er[P(=O)(OEt)_2]_3 Co(η~5-C_5H_5)配合物的电化学行为的研究  

Electrochemical Behavior of (TMOPP)Er[P(=O)(OEt)_2]_3 Co(η~5-C_5H_5) Complex

作　　者：马勇[1] 侯安新[1] 李春涯[1] 萧潇 王长发[1] 

机构地区：[1]武汉大学化学与分子科学学院,湖北武汉430072

出　　处：《中国稀土学报》2003年第z1期4-7,共4页Journal of the Chinese Society of Rare Earths

基　　金：湖北省自然科学基金(20313)资助项目

摘　　要：研究了Er,Co 卟啉配合物((TMOPP)Er[P(=O)(OEt)2]3Co(η5 C5H5))的电化学行为,并比较了它与相应的单核配合物电化学行为的差异。该配合物在CH2Cl2溶液中有四对氧化还原峰,其氧化还原过程分别与配合物的中心离子和配体有关。而当该配合物修饰的玻碳电极于NaClO4溶液中时,同样出现四对氧化还原峰,但是峰的位置、形状、大小与前者比较发生了很大的变化。进一步实验又表明,溶液的电解质浓度、酸碱性、种类以及膜的厚度等对修饰电极的反应行为都产生影响。The voltammetric behavior of (TMOPP)Er[P(=O)(OEt)_2]_3 Co(η~5-C_5H_5) complex was investigated in different condition. Four pair of the oxidation -reduction peaks are present with E_(1/2) about at (+0.566), +0.852 , +1.070 and +1.371 V in CH_2Cl_2 solution, respectively. While this complex modified on the glassy carbon electrode, four pair of peaks can also be found in 0.1 mol·L^(-1) NaClO_4. But its behavior is greatly different from that of it in CH_2Cl_2 solution. And it is also greatly affected by the concentration of NaClO_4 solution, the value of pH, the type of supporting electrolytes, and the thickness of the modified film.

关 键 词：铒  钴-卟啉配合物 修饰电极 循环伏安法 稀土 

分 类 号：O657.1[理学—分析化学]