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采用双通道电化学石英晶体微天平(EQCM)研究了水溶液中普鲁士蓝(PB)薄膜修饰的两金电极上的两电极循环伏安(CV)电化学行为,归属了普鲁士白、PB、普鲁士黄三者间的转变过程,以及金基底和PB膜内所夹带的Fe(CN)63-/Fe(CN)64-杂质的氧化还原峰,为UV-Vis光谱电化学实验所支持.夹在两喷金的铟锡氧化物(ITO)电极间的PB粉末的两电极固态CV图和两PB修饰金电极在水溶液中的两电极CV图相似,说明发生了类似的电极反应.双通道EQCM有望成为研究其他物质或材料的两电极系统电化学行为的高效技术.
The cyclic voltammetry (CV) electrochemical behavior of two electrodes on two gold electrodes modified with Prussian blue (PB) thin films in aqueous solution was investigated using a dual channel electrochemical quartz crystal microbalance (EQCM). Prussian white, PB, Prussian yellow The transition between the three and the redox peaks of the Fe (CN) 63- / Fe (CN) 64- impurities in the gold substrate and the PB membrane were supported by the UV-Vis spectroelectrochemical experiments. The two-electrode solid-state CV plot of the PB powder between gold-sprayed indium tin oxide (ITO) electrodes is similar to the two-electrode CV plot of the two PB modified gold electrodes in aqueous solution, indicating that a similar electrode reaction has occurred. The dual channel EQCM is expected to become Efficient techniques to study the electrochemical behavior of two-electrode systems of other materials or materials.