用循环伏安法研究烷氧基聚紫精的电氧化还原性能  

Study on Electroredox Behaviors of Alkoxyl Viologen Polymers with Cyclic Voltammetry

作　　者：冯敏辉[1] 余建巧 吴桂梅[1] 梁兆熙[1] 毛海荣[2] 

机构地区：[1]中山大学高分子研究所,广州510275 [2]机械工业部广州电器科学研究所,广州510302

出　　处：《功能高分子学报》1996年第4期511-515,共5页Journal of Functional Polymers

基　　金：国家自然科学基金;高等学校博士学科点专项科研基金资助项目

摘　　要：利用循环伏安法研究了烷氧基聚紫精(PAoV)的电氧化还原性能,测定了它们的两步还原电位、峰电流和表现扩散系数(D),结果表明:D随着PAoV结构中所含醚键的增加而减小;并对第一步还原反应的可逆性进行了研究,发现第一步还原反应的可逆性优于第二步还原反应,同时证明电极反应是由扩散步骤控制的;PAoV具有良好的抗电疲劳性能;并研究了体系pH值和扫描范围对PAoV的电氧化还原性能的影响。The electroredox behavior of alkoxyl viologen polymers(PAoV) was studied with cyclic voltammetry. The two step redox potentials and diffusion coefficients were determined, and the reversibility of the first step electrore-duction was also studied. The results show that the reversibility of the first step electroreduction is better than that of the second one, and the reaction of electrode is diffusion-controlled. The good fatigue property of PAoV was observed. Moreover, the influences of pH value and scan ranges on the electroredox behaviors were investigated.

关 键 词：烷氧基聚紫精 循环伏安法 电氧化还原性能 

分 类 号：O633.5[理学—高分子化学] O631.3[理学—化学]