Tuning of PEDOT: PSS Properties Through Covalent Surface Modification

Olga A. Guselnikova, Pavel S. Postnikov, Premysl Fitl, David Tomecek, Petr Sajdl, Roman Elashnikov, Zdenka Kolska, Mohamed M. Chehimi, Vaclav Švorčík, Oleksiy Lyutakov

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Conductive polymer (poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) is an attractive platform for the design of flexible electronic, optoelectronic, and (bio)sensor devices. Practical application of PEDOT:PSS often requires an incorporation of specific molecules or moieties for tailoring of its physical–chemical properties. In this article, a method for covalent modification of PEDOT:PSS using arenediazonium tosylates was proposed. The procedure includes two steps: chemisorption of diazo-cations on the PEDOT:PSS surface followed by thermal decomposition of the diazonium salt and the covalent bond formation. Structural and surface properties of the samples were evaluated by XPS, SEM-EDX, AFM, goniometry, and a range of electric and optical measurements. The developed modification procedure enables tuning of the PEDOT:PSS surface properties such as conductivity and optical absorption. The possibility to introduce various organic functional groups (from hydrophilic to hydrophobic) and to create new groups for further functionalization makes the developed procedure multipurpose.

Original languageEnglish
Pages (from-to)378-387
Number of pages10
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume55
Issue number4
DOIs
Publication statusPublished - 15 Feb 2017

Fingerprint

surface properties
Surface properties
Surface treatment
Tuning
tuning
Flexible electronics
Covalent bonds
covalent bonds
Chemisorption
optical measurement
Optoelectronic devices
chemisorption
Light absorption
Functional groups
thermal decomposition
Structural properties
Energy dispersive spectroscopy
Pyrolysis
optical absorption
X ray photoelectron spectroscopy

Keywords

  • conducting polymers
  • conductive polymers
  • diazonium chemistry
  • functionalization of polymers
  • PEDOT
  • PSS
  • surface modification
  • thin films

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Tuning of PEDOT : PSS Properties Through Covalent Surface Modification. / Guselnikova, Olga A.; Postnikov, Pavel S.; Fitl, Premysl; Tomecek, David; Sajdl, Petr; Elashnikov, Roman; Kolska, Zdenka; Chehimi, Mohamed M.; Švorčík, Vaclav; Lyutakov, Oleksiy.

In: Journal of Polymer Science, Part B: Polymer Physics, Vol. 55, No. 4, 15.02.2017, p. 378-387.

Research output: Contribution to journalArticle

Guselnikova, Olga A. ; Postnikov, Pavel S. ; Fitl, Premysl ; Tomecek, David ; Sajdl, Petr ; Elashnikov, Roman ; Kolska, Zdenka ; Chehimi, Mohamed M. ; Švorčík, Vaclav ; Lyutakov, Oleksiy. / Tuning of PEDOT : PSS Properties Through Covalent Surface Modification. In: Journal of Polymer Science, Part B: Polymer Physics. 2017 ; Vol. 55, No. 4. pp. 378-387.
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