聚二茂铁二甲基硅烷膜电化学过程的电化学石英晶体微天平研究  

Electrochemical Quartz Crystal Microbalance Study of Electrochemical Process of Polyferrocenyldimethylsilane Film

作　　者：王学杰[1] 

机构地区：[1]浙江教育学院理工学院,浙江杭州310012

出　　处：《浙江教育学院学报》2005年第4期1-6,共6页Journal of ZHEJIANG Education Institute

摘　　要：采用电化学石英晶体微天平(EQCM)测量了金电极表面上聚二茂铁二甲基硅烷(PFDMS)膜在水、甲醇、乙醇和丙酮等溶液中循环伏安(CV)过程中的质量变化.在PFDMS膜的氧化还原过程中伴有电解质阴离子向膜内扩散,进出聚合物膜的阴离子量与发生氧化还原的Fe的物质量相等,在水溶液中ClO4-离子是非水化的,进入聚合物膜的ClO4-离子不带水分子,在有机溶剂中ClO4-离子是溶剂化的,在甲醇和乙醇溶液中分别有1∶1和1∶0.5等摩尔量的溶剂分子随阴离子进出聚合物膜.The mass changes of polyferrocenyldimethylsilane （PFDMS）films on the goldelectrode surface are measured directly by using a electrochemical quartz crystal microbalance（EQCM） during the cyclic voltammetry（CV） processes in aqueous, methanol, ethanol and acetone solutions. The electrolyte anions penetrate into the PFDMS flints accompanying the oxidation process. The amount of the anions entering into the polymer flints is equal to the oxidated Fe. The anions ClO4- are very weak hydration in aqueous solutions, and there are few water molecules inserting into the polymer flints along with ClO4-. But the ClO4- is solvated in organic solvents, and there are 1 ： 1 and 1：0.5 equate molar solvent molecules incorporating into thepolymer flints along with ClO4- in methanol and ethanol solutions respectively.

关 键 词：聚二茂铁硅烷 聚二茂铁二甲基硅烷 膜 电化学石英晶体微天平 循环伏安法 

分 类 号：O631.3[理学—高分子化学]