Journal of Materials Science

, Volume 39, Issue 14, pp 4451–4457 | Cite as

Electrochemical growth of aligned N-chiral alkyl substituted polypyrrole micro-ribbons

  • Gaoyi Han
  • Gaoquan Shi
  • Jinying Yuan
  • Feng'en Chen
Article

Abstract

Aligned micro-ribbons of N-chiral alkyl substituted polypyrrole have been grown for the first time by electrochemical polymerization of methyl (S)-(+)-2-(1H-pyrrol-yl) propionate (1) and methyl (S)-(−)-3-phenyl-2-(1H-pyrrol-yl) propionate (2) in acetonitrile containing tetrabutylammonium perchlorate (TBAClO4) and camphor-10-sulfonic acid (CSA) enantiomer. The micro-ribbons stand upright on the working electrode surface in a high density. They have a length of 100–200 μm, a width of 20–50 μm and a thickness of 3–5 μm. Scanning electron microscopic (SEM) studies showed that the micro-ribbons were assembled by nanometer balls with diameters of 30–50 nm. A hole growing mechanism was suggested according to the SEM pictures recorded during the electrochemical growth process. The structures of the resulting polymers have been characterized by infrared and Raman spectroscopies.

Keywords

Polymer Spectroscopy Methyl Scan Electron Microscopic Acetonitrile 

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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • Gaoyi Han
    • 1
  • Gaoquan Shi
  • Jinying Yuan
  • Feng'en Chen
  1. 1.Department of ChemistryTsinghua UniversityBeijingPeople's Republic of China; Institute of Molecular Science, Shanxi University, Taiyuan 030006, People's Republic of China

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