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运用电化学石英晶体微天平技术(EQCM)联合循环伏安法(CV)和计时安培分析法对3种含有二苯基联苯胺和二亚酰胺的电活性聚合物薄膜进行了研究.这些聚合物薄膜具有多个氧化和还原状态.中性聚合物薄膜可以在二苯基联苯胺连接处被电化学氧化或在二亚酰胺处被电化学还原.在氧化还原转化过程期间,聚合物薄膜的电子转移、离子补偿和溶剂运输的动力学取决于聚合物的类型、其所处的氧化还原状态、电位扫描速率和氧化还原转换的方向.确定了包含二苯基联苯胺聚合物在不同电化学条件的氧化还原转化的机理.动力学控制步骤也许与聚合物薄膜在每个氧化还原状态的特定几何结构有关,并受到不同电解质和溶剂的影响.研究了含有二苯基联苯胺和二亚酰胺的电活性聚合物薄膜电子转移反应的级数、反离子补偿和溶剂传输,并定量地测定了氧化还原过程中离子和溶剂进出电活性膜的流量.
Three electroactive polymer films containing diphenylbenzidine and diazamide were investigated using electrochemical quartz crystal microbalance (EQCM) combined with cyclic voltammetry (CV) and chronoamperometry. These polymers The film has a plurality of oxidation and reduction states.The neutral polymer film may be electrochemically oxidized at the diphenylbenzidine linkage or electrochemically reduced at the diimide.The electrons of the polymer film during the redox conversion process The kinetics of transfer, ion compensation, and solvent transport depend on the type of polymer, the redox state in which it is located, the potential sweep rate, and the direction of the redox conversion. The kinetics of the polymer containing diphenylbenzidine polymer under different electrochemical conditions The kinetic control steps may be related to the specific geometry of the polymer film in each redox state and are affected by the different electrolytes and solvents.The effect of the diphenylbenzidine and bisimide The number of electron-transfer reactions, the counter-ion compensation and the solvent transport of the electroactive polymer films were measured and the amount of ions The solvent flow out of the electroactive film.