Oxygen reduction by decamethylferrocene at liquid/liquid interfaces catalyzed by dodecylaniline

0341544 - ÚFCH JH 2011 RIV CH eng J - Článek v odborném periodiku
Su, B. - Hatay, I. - Li, F. - Partovi-Nia, R. - Samec, Zdeněk - Ersöz, M. - Girault, H. H.
Oxygen reduction by decamethylferrocene at liquid/liquid interfaces catalyzed by dodecylaniline.
Journal of Electroanalytical Chemistry. Roč. 639, 1-2 (2010), s. 102-108. ISSN 1572-6657. E-ISSN 1873-2569
Grant CEP: GA ČR(CZ) GA203/07/1257; GA MŠMT OC 177
Výzkumný záměr: CEZ:AV0Z40400503
Klíčová slova: oxygen reduction * proton reduction * voltammetry
Kód oboru RIV: CG - Elektrochemie
Impakt faktor: 2.732, rok: 2010

Molecular oxygen (O-2) reduction by decamethylferrocene (DMFc) was investigated at a polarized water/1,2-dichloroethane (DCE) interface. Electrochemical results point to a mechanism similar to the EC type reaction at the conventional electrode/solution interface, in which an assisted proton transfer (APT) by DMFc across the water/DCE interface via the formation of DMFcH(+) corresponds to the electrochemical step and O-2 reduction to hydrogen peroxide (H2O2) represents the chemical step. The proton transfer step can also be driven using lipophilic bases such as 4-dodecylaniline. Finally, voltammetric data shows that lipophilic DMFc can also be extracted to the aqueous acidic phase to react homogeneously with oxygen.
Trvalý link: http://hdl.handle.net/11104/0184488