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本文研究了电化学方法制备的聚2,5-二甲氧基苯胺(P25DMAn)薄膜电极对水溶液中的氢醌的电催化作用,以及影响催化作用的主要因素.研究结果表明,在酸性较强的水溶液中,在较宽的浓度范围内(氢醌的浓度为1×10~(-3)～1×10~(-2)mol/L)均有很好的电催化作用。催化电流与氢醌浓度呈良好的线性关系.用旋转园盘电极研究了催化过程动力学,求出了催化反应的动力学参数。这种修饰电极有很好的化学稳定性和电化学稳定性,是一种很有应用前景的修饰电极。
In this paper, the electrocatalytic activity of poly (2,5-dimethoxyaniline) (P25DMAn) thin film electrode prepared by electrochemical method on hydroquinone in aqueous solution and the main factors that affect the catalytic activity were studied.The results show that in the acidic , The electrocatalytic activity was good in a wide range of concentration (hydroquinone concentration of 1 × 10 -3 to 1 × 10 -2 mol / L). The catalytic current has a good linear relationship with the hydroquinone concentration.The kinetics of the catalytic process was studied by rotating the disk electrode and the kinetic parameters of the catalytic reaction were obtained. This modified electrode has good chemical stability and electrochemical stability, is a promising application of modified electrodes.