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首页> 外文期刊>Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry >Voltammetric study of the interfacial electron transfer between bis(butylcyclopentadienyl)iron in 1,2-dichloroethane and hexacyanoferrate in water
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Voltammetric study of the interfacial electron transfer between bis(butylcyclopentadienyl)iron in 1,2-dichloroethane and hexacyanoferrate in water

机译：伏安法研究1,2-二氯乙烷中双（丁基环戊二烯基）铁与水中六氰合铁酸盐之间的界面电子转移

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摘要

The electron transfer (ET) reaction between bis(butylcyclopentadienyl)iron(II) ([Fe-II(C5H4Bu)(2)]) in 1,2-dichloroethane (1,2-DCE) and the hexacyanoferrate redox couple ([Fe-II/III(CN)(6)](4-/3-)) in water (W) at the 1,2-DCE vertical bar W interface has been studied by use of normal pulse voltammetry and cyclic voltammetry. In normal pulse voltammetry, S-shaped current vs. potential curves with well-defined limiting currents attributable to the interfacial ET reaction were observed. The voltammetric results can be explained well by the theoretical equations [M. Senda, Rev. Polarogr. (Jpn), 49 (2003) 219; 50 (2004) 60] according to a so-called IT-mechanism, that is, the [Fe-II(C5H4Bu)(2)] Molecule is transferred from the 1,2-DCE to the W phase across the interface, then the ET reaction takes place homogeneously in the W phase between [Fe-III(CN)(6)](3-)(W) and [Fe-II(C5H4Bu)(2)](W) to produce [Fe-II(CN)(6)](4-)(W) and [Fe-III(C5H4Bu)(2)](+)(W), which is followed by the transfer of the [Fe-III(C5H4Bu)(2)](+) ion from the W to the 1,2-DCE phase across the interface to give the voltammetric current. Experimental results from cyclic voltammetry are also explained well by the IT-mechanism. (c) 2004 Elsevier B.V. All rights reserved.
机译：双（丁基环戊二烯基）铁（II）（[Fe-II（C5H4Bu）（2）]）在1,2-二氯乙烷（1,2-DCE）中与六氰合铁酸盐氧化还原对（[Fe通过使用常规脉冲伏安法和循环伏安法研究了1,2-DCE垂直条形W界面在水（W）中的-II / III（CN）（6）]（4- / 3-））。在常规脉冲伏安法中，观察到S型电流与电位曲线的关系，该曲线具有明确定义的归因于界面ET反应的极限电流。伏安法的结果可以用理论方程[M。 Senda，Rev。Polarogr。 （Jpn），49（2003）219; 50（2004）60]根据所谓的IT机制，即[Fe-II（C5H4Bu）（2）]分子通过界面从1,2-DCE转移到W相，然后ET反应在[Fe-III（CN）（6）]（3-）（W）和[Fe-II（C5H4Bu）（2）]（W）之间的W相中均匀发生（CN）（6）]（4-）（W）和[Fe-III（C5H4Bu）（2）]（+）（W），然后转移[Fe-III（C5H4Bu）（2 ）]（+）离子从W到界面上的1,2-DCE相产生伏安电流。 IT机理也很好地解释了循环伏安法的实验结果。 （c）2004 Elsevier B.V.保留所有权利。

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