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Redox switching of polyoxometalate-doped polypyrrole films in ionic liquid media
Dundalk Inst Technol, Ireland.
Univ Limerick, Ireland.
Univ Limerick, Ireland.
Univ Limerick, Ireland.
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2018 (English)In: Electrochimica Acta, ISSN 0013-4686, E-ISSN 1873-3859, Vol. 265, p. 254-258Article in journal (Refereed) Published
Abstract [en]

The surface immobilization of the parent Dawson polyoxometalate (POM) as a counter-ion for the electropolymerization of polypyrrole (PPy) or as an electrode-adhered solid was utilized for voltammetric studies of the surface adhered POM in room temperature ionic liquids (RTIL). Illustrating the efficiency of intermediate stabilization, voltammetry at POM-modified electrodes in a PF6-based RTIL revealed richer redox behaviour and higher stabilization in comparison with aqueous electrolytes and with BF4-based RTIL, respectively. High stability of the POM-doped PPy towards continuous charge-discharge voltammetric redox cycles was confirmed by minor changes in film morphology observed after the cycling in RTILs. (c) 2017 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
PERGAMON-ELSEVIER SCIENCE LTD , 2018. Vol. 265, p. 254-258
Keywords [en]
Room temperature ionic liquid; Polyoxometalate; Voltammetry
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-145748DOI: 10.1016/j.electacta.2017.12.101ISI: 000425751600029OAI: oai:DiVA.org:liu-145748DiVA, id: diva2:1192029
Available from: 2018-03-21 Created: 2018-03-21 Last updated: 2018-04-13

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The full text will be freely available from 2019-12-15 13:11
Available from 2019-12-15 13:11

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Vagin, Mikhail
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Physics and ElectronicsDepartment of Physics, Chemistry and BiologyFaculty of Science & Engineering
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