Monitoring charge transfer at polarisable liquid/liquid interfaces employing time-resolved Raman spectroelectrochemistry

被引：15
作者：
Ibanez, D. [1 ]
Plana, D. [2 ]
Heras, A. [1 ]
Fermin, D. J. [2 ]
Colina, A. [1 ]
机构：
[1] Univ Burgos, Dept Chem, E-09001 Burgos, Spain
[2] Univ Bristol, Sch Chem, Bristol BS8 1TS, Avon, England
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2015年 / 54卷
基金：
英国工程与自然科学研究理事会;
关键词：
Liquid/liquid interfaces; Ion transfer; Electron transfer; In-situ Raman spectroscopy; SUM-FREQUENCY SPECTROSCOPY; ELECTRON-TRANSFER; LIQUID INTERFACE; NANOPARTICLES; ADSORPTION;
D O I：
10.1016/j.elecom.2015.02.012
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In-situ Raman spectroscopy is implemented for the first time to monitor dynamic charge transfer processes at polarisable interfaces between two immiscible electrolyte solutions (ITIES) in real time. A custom-designed new electrochemical cell is described which allows probing the Raman signals of ferroin ions as a function of the potential applied across the water vertical bar 1,2-dichlorobenzene (DCB) interface. This approach is also used for investigating the heterogeneous electron transfer reaction involving dimethylferrocene in DCB and potassium hexacyanoferrate (II/III) in the aqueous phase. The evolution of the Raman signals during potentiodynamic measurements is recorded in real-time with a resolution of a few seconds. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：14 / 17
页数：4
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