Pyrrole self-assembled monolayer and orderly autopolymerization on chloride- and gold-containing nanocomplexes prepared by electrochemical methods

Yu Chuan Liu, Shung J. Yang, Thomas C. Chuang, Chee Chan Wang

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We report here the first electrochemical pathway to prepare Cl- and Au-containing nanocomplexes of mean diameter 2 nm in 0.1 M HCl aqueous solutions without the addition of any stabilizer. Based on these prepared nanocomplexes, pyrrole monomers can form self-assembled monolayers and further develop orderly spontaneous polymerization (called autopolymerization), which is distinguishable from conventional chemical or electrochemical polymerization, on these nanocomplexes. Furthermore, the prepared polypyrrole (PPy)-coated gold nanoparticles with a core-shell structure can be further treated with sonication for the preparation of Au(0) nanoparticles. This strategy provides another way to fabricate metal nanoparticles without the addition of any stabilizer.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalJournal of Electroanalytical Chemistry
Volume570
Issue number1
DOIs
Publication statusPublished - Aug 15 2004
Externally publishedYes

Keywords

  • Electrochemical methods
  • Gold nanoparticles
  • Nanocomplexes
  • Self-assembled monolayers

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

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