Electrochemical patterning of a polyfluorene precursor polymer from a microcontact printed (μCP) monolayer

Chuanjun Xia, Rigoberto C. Advincula, Akira Baba, Wolfgang Knoll

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Selective area electropolymerization of a precursor polymer in a microcontact printed pattern was used to generate a patterned conjugated and fluorescent polymer thin film. The precursor polyfluorene polymer, which has photoluminescent properties defined by the polymer main chain and electropolymerizability from the pendant carbazole units, was synthesized using a Yamamoto coupling route. The polymer was then electrochemically deposited and cross-linked selectively on the alkyl SAM defined regions to form patterns (<50 nm height) with high fidelity. The patterns were characterized by atomic force microscopy and optical fluorescence microscopy. The fluorescence micrograph confirmed that the polymer main chain was largely unaffected by redox electrochemistry and showed highly regular patterning characteristics in a large area. This new combination of site-selective electropolymerization and the precursor approach should provide a unique way to make patterned conjugated polymer systems.

Original languageEnglish
Pages (from-to)2852-2856
Number of pages5
JournalChemistry of Materials
Volume16
Issue number15
DOIs
Publication statusPublished - 2004 Jul 27
Externally publishedYes

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Monolayers
Polymers
Electropolymerization
Fluorescence microscopy
Conjugated polymers
Electrochemistry
Polymer films
Optical microscopy
Atomic force microscopy
Fluorescence
Thin films

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

Cite this

Electrochemical patterning of a polyfluorene precursor polymer from a microcontact printed (μCP) monolayer. / Xia, Chuanjun; Advincula, Rigoberto C.; Baba, Akira; Knoll, Wolfgang.

In: Chemistry of Materials, Vol. 16, No. 15, 27.07.2004, p. 2852-2856.

Research output: Contribution to journalArticle

Xia, Chuanjun ; Advincula, Rigoberto C. ; Baba, Akira ; Knoll, Wolfgang. / Electrochemical patterning of a polyfluorene precursor polymer from a microcontact printed (μCP) monolayer. In: Chemistry of Materials. 2004 ; Vol. 16, No. 15. pp. 2852-2856.
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