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采用电化学交流阻抗技术对一种新型电极表面修饰的自组装多层膜进行表征 ,通过阻抗谱分析 ,得出电荷传递电阻和双电层电容与膜层数的关系。证明该多层膜随层数增加具有均匀增长、结构致密等特性
The electrochemical impedance spectroscopy was used to characterize a new type of self-assembled multilayers with surface modification. The relationship between the charge transfer resistance, the electric double layer capacitance and the number of layers was obtained by impedance spectroscopy. It is proved that the multi-layer film has the characteristics of uniform growth and dense structure as the number of layers increases