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Electrocatalysis by crown-type polyoxometalates multi-substituted by transition metal ions: Comparative study
Dundalk Institute Technology, Ireland.
Jacobs University of Bremen, Germany.
Jacobs University of Bremen, Germany.
University of Limerick, Ireland.
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2015 (English)In: Electrochimica Acta, ISSN 0013-4686, E-ISSN 1873-3859, Vol. 176, 1248-1255 p.Article in journal (Refereed) Published
Abstract [en]

The difference in electrochemical properties of three crown-type polyoxometalates multi-substituted by Fe3+, Ni2+ or Co2+ ions and their precursor has been rationalized with respect to their electrocatalytic performances studied in solution and in the immobilized state within the layer-by-layer film formed with a positively charged pentaerythritol-based Ru(II)-metallodendrimer. The film assembly was monitored with electrochemical methods and characterized by surface analysis techniques. An influence of the terminal layer on the electrode reaction and on film porosity has been observed. The electrocatalytic performance of the compounds on nitrite reduction was assessed in solution and in the immobilized state. (C) 2015 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
PERGAMON-ELSEVIER SCIENCE LTD , 2015. Vol. 176, 1248-1255 p.
Keyword [en]
polyoxometalate; electrocatalysis; layer-by-layer; transition metal ion-substituted crown-type polyoxometalate; nitrite reduction
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-121741DOI: 10.1016/j.electacta.2015.07.152ISI: 000360918000149OAI: diva2:859353
Available from: 2015-10-06 Created: 2015-10-05 Last updated: 2015-11-04

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Vagin, Mikhail
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Physics and ElectronicsFaculty of Science & Engineering
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