Ferrocene functional polymer brushes on indium tin oxide via surface-initiated atom transfer radical polymerization

Boyun Kim, Erin L. Ratcliff, Neal R. Armstrong, Tomasz Kowalewski, Jeffrey Pyun

Research output: Contribution to journalArticle

55 Scopus citations

Abstract

The synthesis and electrochemical characterization of ferrocene functional polymethacrylate brushes on indium tin oxide (ITO) electrodes using surface-initiated atom transfer radical polymerization (SI-ATRP) is reported. SI-ATRP of ferrocene-containing methacrylate (FcMA) monomers from a phosphonic acid initiator-modified ITO substrate yielded well-defined, homo- and block (co)polymer brushes of varying molar mass (4,000 to 37,000 g/mol). Correlation of both electrochemical properties and brush thicknesses confirmed, controlled. SI-ATRP from modified ITO surfaces. The preparation of block copolymer brushes with varying sequences of FcMA. segments was conducted to interrogate the effects of spacing from the ITO electrode surface on the electrochemical properties of a tethered electroactive film.

Original languageEnglish (US)
Pages (from-to)2083-2092
Number of pages10
JournalLangmuir
Volume26
Issue number3
DOIs
StatePublished - Feb 2 2010

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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