Polymer-pendant interactions in poly(pyrrol-3-ylhydroquinone)

A solution for the use of conducting polymers at stable conditions

Christoffer Karlsson, Hao Huang, Maria Strømme, Adolf Gogoll, Martin Sjödin

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

While various organic molecules have been suggested as environmentally friendly alternatives to inorganic electrode materials for lithium ion batteries, most of them suffer from slow kinetics as well as capacity fading due to dissolution. Herein we present the synthesis of poly(pyrrol-3- ylhydroquinone) (PPyQ), a polypyrrole (PPy) derivative with pending hydroquinone groups, for investigation of the use of a conducting polymer to immobilize redox active quinone units. This strategy eliminates dissolution of the active material while also increasing the conductivity. The quinone pending groups in PPyQ cycle reversibly in the potential region where the polymer backbone is conducting and chemically stable. In situ spectroelectrochemistry on PPyQ films reveals UV/vis transitions inherent to PPy, as well as quinone centered transitions, allowing detailed investigation of the interplay between the polymer doping process and the quinone redox conversion. Intriguingly, it is found that the charging of the PPy backbone halts during the redox reaction of the quinone pending groups. This opens up for the possibility of using PPy at low and constant doping levels while utilizing the charge storage capacity of the quinone pending groups when creating electric energy storage materials based on sustainable and renewable components.

Original languageEnglish
Pages (from-to)23558-23567
Number of pages10
JournalJournal of Physical Chemistry C
Volume117
Issue number45
DOIs
Publication statusPublished - 2013 Nov 14
Externally publishedYes

Fingerprint

Polypyrroles
Conducting polymers
conducting polymers
quinones
Polymers
polypyrroles
polymers
Dissolution
Electric energy storage
Doping (additives)
interactions
Spectroelectrochemistry
electric energy storage
Redox reactions
dissolving
fading
electrode materials
Derivatives
Electrodes
Molecules

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Surfaces, Coatings and Films
  • Physical and Theoretical Chemistry

Cite this

Polymer-pendant interactions in poly(pyrrol-3-ylhydroquinone) : A solution for the use of conducting polymers at stable conditions. / Karlsson, Christoffer; Huang, Hao; Strømme, Maria; Gogoll, Adolf; Sjödin, Martin.

In: Journal of Physical Chemistry C, Vol. 117, No. 45, 14.11.2013, p. 23558-23567.

Research output: Contribution to journalArticle

Karlsson, Christoffer ; Huang, Hao ; Strømme, Maria ; Gogoll, Adolf ; Sjödin, Martin. / Polymer-pendant interactions in poly(pyrrol-3-ylhydroquinone) : A solution for the use of conducting polymers at stable conditions. In: Journal of Physical Chemistry C. 2013 ; Vol. 117, No. 45. pp. 23558-23567.
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