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Nafion particles doped with methyl viologen: electrochemistry

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Abstract

Nafion sub-micro particles doped with methyl viologen (MV2+) are synthesized using the re-precipitation method and characterized by scanning electron microscopy and UV-Vis spectroscopy. The electrochemical behavior of MV2+ incorporated into Nafion particles was investigated at both the ensemble and single particle levels. The charge transferred to single MV-Nafion particles was observed using the nano-impact method and shown to be quantitative. Finally, the charge transferred via individual MV-Nafion particle was substantially enhanced in the presence of permanganate. The mechanism of the catalytic nano-impact reaction of mediated permanganate reduction by single MV-Nafion particle is revealed as proceeding via MV+˙ reduced from MV2+ incorporated in Nafion particles through one electron transfer followed by the reduction of permanganate.

Graphical abstract: Nafion particles doped with methyl viologen: electrochemistry

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Publication details

The article was received on 03 Oct 2017, accepted on 04 Dec 2017 and first published on 04 Dec 2017


Article type: Paper
DOI: 10.1039/C7CP06764J
Citation: Phys. Chem. Chem. Phys., 2018, Advance Article
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    Nafion particles doped with methyl viologen: electrochemistry

    H. Yang, X. Li, C. Batchelor-McAuley, S. V. Sokolov and R. G. Compton, Phys. Chem. Chem. Phys., 2018, Advance Article , DOI: 10.1039/C7CP06764J

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