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Diverse composites of metal-complexes and PEDOT facilitated by metal-free vapour phase polymerization
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2017 (English)In: Reactive & functional polymers, ISSN 1381-5148, E-ISSN 1873-166X, Vol. 116, 101-106 p.Article in journal (Refereed) Published
Abstract [en]

Abstract Oxidative polymerization for the manufacture of conducting polymers such as poly(3,4-ethylenedioxy-thiophene) has traditionally employed iron(III) salts. Demonstrated in this study is vapour phase polymerization of 3,4-ethylenedio- xythiophene using a metal-free oxidant, ammonium persulfate, leading to films with an estimated conductivity of 75 S/cm. Additionally, a route for embedding active transition metal complexes into these poly(3,4-ethylenedioxythiophene)/-poly(styrene-4-sulfonate) (PEDOT/PSS) films via vapour assisted complexation is outlined. Here, the vapour pressure of solid ligands around their melting temperatures was exploited to ensure complexation to metal ions added into the oxidant mixture prior to polymerization of PEDOT. Four composite systems are discussed, viz. PEDOT/PSS embedded with tris(8-hydroxyquinolinato)cobalt(III), tris(2,2-bipyridine)cobalt(II), tris(1,10- phenanthroline)cobalt(II) and tris(8-hyd-roxyquinolinato)aluminium(III). Using these composites, electrochemical reduction of nitrite to ammonia with a faradaic efficiency of 61% was reported.

Place, publisher, year, edition, pages
2017. Vol. 116, 101-106 p.
Keyword [en]
Conducting polymers, Vapour pressure, Reduction, Nitrite, Ammonia
National Category
Materials Chemistry Inorganic Chemistry Polymer Chemistry
Identifiers
URN: urn:nbn:se:umu:diva-135508DOI: 10.1016/j.reactfunctpolym.2017.04.008OAI: oai:DiVA.org:umu-135508DiVA: diva2:1102693
Available from: 2017-05-30 Created: 2017-05-30 Last updated: 2017-05-30

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Publisher's full texthttp://www.sciencedirect.com/science/article/pii/S1381514817300779

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Ohlin, C. Andre
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Department of Chemistry
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf