Remarkable Electrochemical Responses of Ferrocene/NaY Zeolite Composite modified Electrode Based on Hydrophobic Ionic Liquid |
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| Authors: | Junping Dong Chengli Jin Jiaqiang Xu Hao Yan |
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| Affiliation: | 1. Department of Chemistry, Shanghai University, Shanghai, 200444, P.?R. China;2. Environmental and Chemical Engineering College, Shanghai University, Shanghai, 200444, P.?R. China |
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| Abstract: | The ferrocene/NaY zeolite composites (Fc/NaY) are introduced on the surface of a glassy carbon electrode together with the hydrophobic ionic liquid 1‐butyl‐3‐methylimidazolium hexafluorophosphate (BMIMPF6). The modified electrode thus constructed exhibits a pair of reversible redox peaks corresponding to ferrocene. Additionally the peak separation remains almost constant (58–75 mV) and the value of the ratio ipa/ipc is close to 1 for scan rates in the range from 10 to 1000 mV s?1. The effects of the scan rate, aqueous supporting electrolytes, hydrophobic ionic liquid and the contents of ferrocene encapsulated by electrochemistry are investigated. The extrazeolite electron transfer process is discussed. Furthermore, the Fc/NaY/IL‐modified electrode shows good mediation towards oxidation of ascorbic acid, dopamine, hydroquinone, and catechol. |
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| Keywords: | Ferrocene Zeolite‐modified electrode Ionic liquids Electron transfer |
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