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首页> 外文期刊>Electroanalysis >Electrochemical behavior of a crown type polyether: 2,5,8-trioxa-16,20-diazatricyclo[20.4.0.0(9,14)]-hexacosa-9,11,13,15,20,22,24,26-octaene
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Electrochemical behavior of a crown type polyether: 2,5,8-trioxa-16,20-diazatricyclo[20.4.0.0(9,14)]-hexacosa-9,11,13,15,20,22,24,26-octaene

机译：冠型聚醚的电化学行为：2,5,8-三氧杂-16,20-二氮杂三环[20.4.0.0（9,14）]-hexacosa-9,11,13,15,20,22,24,26-辛烯

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摘要

In this work, electrochemical behaviors of 2,5,8-trioxa-16,20-diazatricyclo[20.4.0.0(9.14)]-hexacosa-9,11,13,15,20 122,24,26-octaene (TPO) was investigated and mechanistic study was achieved in 0.1 M tetrabutylammonium tetrafluoroborate (TBATFB) in acetonitrile on glassy carbon (GC) working electrode by cyclic voltammetry, chronoamperometry and chronocoulometry. It was estimated by ultra microelectrode (UME) that this molecule is reduced by four-electron transfer. The reduction product adsorbed on the electrode surface, characterized by Raman spectroscopy, is a dimer. It was determined by using cyclic voltammetry that TPO is electroreduced by EC mechanism. Using digital simulation studies, EC mechanism was also indicated and the standard rate constant of the reduction step was calculated as well as the rate constants of the homogenous reaction.
机译：在这项工作中，2,5,8-三氧杂-16,20-二氮杂三环[20.4.0.0（9.14）]-hexacosa-9,11,13,15,20 122,24,26-辛烯（TPO）的电化学行为通过循环伏安法，计时电流法和计时库仑法，研究了在乙腈中的0.1 M四丁基四氟硼酸四丁基铵四氟硼酸酯（TBATFB）在玻璃碳（GC）工作电极上的机理。通过超微电极（UME）估计该分子被四电子转移还原。用拉曼光谱法表征的吸附在电极表面上的还原产物是二聚体。通过循环伏安法确定TPO是通过EC机理电还原的。使用数字模拟研究，还表明了EC机理，并计算了还原步骤的标准速率常数以及均相反应的速率常数。

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