Controlled release of dyes from chemically polymerised conducting polymers

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The hydroxytriarylmethane family of dyes (sub-category sulfonphthaleins, e.g. phenol red) has shown sufficient chemical stability to remain unchanged when exposed to the oxidative environment required for chemical polymerisation of inherently conducting polymers (ICPs). This oxidative stability allows these dyes to be incorporated as counter-ions in polypyrrole or poly(3,4-ethylenedioxythiophene), and then later released when the ICP is reduced, either by change in potential or change in pH. The polypyrrole-dye composite can be applied to paper or plastic films by inkjet printing a dye-oxidant mixture which is then dried and used as a template for vapour phase polymerisation. For poly(3,4-ethylenedioxythiophene)-dye composites, polymerisation can be conveniently conducted in a single step in the liquid phase, using a volatile organic base as a retardant during application.

Original languageEnglish
Pages (from-to)742-750
Number of pages9
JournalReactive and Functional Polymers
Volume68
Issue number3
DOIs
Publication statusPublished - 2008 Mar
Externally publishedYes

Fingerprint

Conducting polymers
dye
Polymers
Coloring Agents
Dyes
polymer
polymerization
Polymerization
Polypyrroles
Phenolsulfonphthalein
Plastic films
Printing
Radiation counters
Chemical stability
Composite materials
Oxidants
oxidant
Plastics
Phenols
phenol

Keywords

  • Conducting polymers
  • Dye release
  • Inkjet printing
  • PEDOT
  • Phenol red
  • Polypyrrole

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Controlled release of dyes from chemically polymerised conducting polymers. / Winther Jensen, Bjorn; Clark, N. B.

In: Reactive and Functional Polymers, Vol. 68, No. 3, 03.2008, p. 742-750.

Research output: Contribution to journalArticle

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