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VOLTAMMETRY AT THREE-PHASE ELECTRODES INVOLVING ION TRANSFER AT THE WATER|IONIC LIQUID INTERFACE

Three-phase electrodes provide excellent possibilities to study the ion transfer across liquid|liquid interfaces. The use of electrodes with immobilized droplets of water immiscible solutions of a suitable redox probe allows the determination of the free energy of ion transfer [1-4]. This methodology has been further developed for the study of ion transfer reactions at water|ionic liquid interfaces [5-7]. Ionic liquids possess unique properties that lead to very surprising results, especially because a number of new pathways of ion transfer reactions are possible. Because of the steadily increasing importance of ionic liquids in many chemical and electrochemical applications, it is important to know what ions transfers occur under what conditions. References: [1] F. Scholz, Š. Komorsky-Lovrić, M. Lovrić : Electrochem. Commun. 2 (2000) 112-118 [2] F. Scholz, R. Gulaboski: ChemPhysChem 6 (2005) 16-28 [3] F. Scholz: Annu. Rep. Progr. Chem., Section C 102 (2006) 43-70 [4] F. Scholz, U. Schröder, R. Gulaboski: Electrochemistry of Immobilized Particles and Droplets, Springer, Heidelberg, Berlin 2005 [5] V. A. Hernández, F. Scholz : Electrochem. Commun. 8 (2006) 967-972 [6] F. Quentel, C. Elleouet, V. Mirčeski, V. Agmo Hernández, M. L’ Her, M. Lovrić, Š. Komorski-Lovrić, F. Scholz : J. Electroanal. Chem. 611 (2007) 192-200 [7] M. Lovric, Š. Komorsky-Lovric, F. Scholz : J. Solid State Electrochem. 12 (2008) 41-45

voltammetry; ion transfer

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